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September 2006
HYB18TC512160BF HYB18TC512800BF
512-Mbit Double-Data-Rate-Two SDRAM DDR2 SDRAM RoHS Compliant Products
Internet Data Sheet
Rev. 1.11
Internet Data Sheet
HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
HYB18TC512160BF, HYB18TC512800BF Revision History: 2006-09, Rev. 1.11 Page All All 39 Subjects (major changes since last revision) Qimonda update Adapted internet edition Modified AC Timing Parameters For product types : HYB18TC512160BF-2.5, HYB18TC512800BF-2.5, HYB18TC512160BF-3, HYB18TC512800BF-3, HYB18TC512160BF-3S, HYB18TC512800BF-3S, HYB18TC512160BF-3.7, HYB18TC512800BF-3.7, HYB18TC512160BF-5, HYB18TC512800BF-5 Previous Revision: 2005-11, Rev. 1.04
Previous Revision: 2006-06, Rev.1.1
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qag_techdoc_rev400 / 3.2 QAG / 2006-08-07 03292006-HDLH-OAY6
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HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
1
Overview
This chapter gives an overview of the 512-Mbit Double-Data-Rate-Two SDRAM product family and describes its main characteristics.
1.1
Features
The 512-Mbit Double-Data-Rate-Two SDRAM offers the following key features: * Off-Chip-Driver impedance adjustment (OCD) and On* 1.8 V 0.1 V Power Supply 1.8 V 0.1 V (SSTL_18) Die-Termination (ODT) for better signal quality. compatible I/O * Auto-Precharge operation for read and write bursts * DRAM organizations with 4, 8 and 16 data in/outputs * Auto-Refresh, Self-Refresh and power saving Power* Double Data Rate architecture: two data transfers per Down modes clock cycle four internal banks for concurrent operation * Average Refresh Period 7.8 s at a TCASE lower than 85 * Programmable CAS Latency: 3, 4, 5 and 6 * Programmable Burst Length: 4 and 8 C, 3.9 s between 85 C and 95 C * Differential clock inputs (CK and CK) * Programmable self refresh rate via EMRS2 setting * Programmable partial array refresh via EMRS2 settings * Bi-directional, differential data strobes (DQS and DQS) are * DCC enabling via EMRS2 setting transmitted / received with data. Edge aligned with read * Full and reduced Strength Data-Output Drivers data and center-aligned with write data. * 1kB page size for x8, 2kB page size for x16 * DLL aligns DQ and DQS transitions with clock * Packages: PG-TFBGA-84 for x8 components PG-TFBGA* DQS can be disabled for single-ended data strobe 60 for x16 components operation * RoHS Compliant Products1) * Commands entered on each positive clock edge, data and data mask are referenced to both edges of DQS * All Speed grades faster than DDR400 comply with * Data masks (DM) for write data DDR400 timing specifications when run at a clock rate of * Posted CAS by programmable additive latency for better 200 MHz. command and data bus efficiency A list of the performance tables for the various speeds can be found below * Table 1 "Performance tables for -2.5" on Page 4 * Table 2 "Performance table for -3(S)" on Page 4 * Table 3 "Performance table for -3.7" on Page 4 * Table 4 "Performance table for -5" on Page 5
1) RoHS Compliant Product: Restriction of the use of certain hazardous substances (RoHS) in electrical and electronic equipment as defined in the directive 2002/95/EC issued by the European Parliament and of the Council of 27 January 2003. These substances include mercury, lead, cadmium, hexavalent chromium, polybrominated biphenyls and polybrominated biphenyl ethers.
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HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
TABLE 1
Performance tables for -2.5
Product Type Speed Code Speed Grade Max. Clock Frequency @CL6 @CL5 @CL4 @CL3 Min. RAS-CAS-Delay Min. Row Precharge Time Min. Row Active Time Min. Row Cycle Time -2.5 DDR2-800E 6-6-6 Unit -- MHz MHz MHz MHz ns ns ns ns
fCK6 fCK5 fCK4 fCK3 tRCD tRP tRAS tRC
400 333 266 200 15 15 45 60
TABLE 2
Performance table for -3(S)
Product Type Speed Code Speed Grade Max. Clock Frequency @CL5 @CL4 @CL3 Min. RAS-CAS-Delay Min. Row Precharge Time Min. Row Active Time Min. Row Cycle Time -3 DDR2-667C 4-4-4 -3S DDR2-667D 5-5-5 333 266 200 15 15 45 60 Unit -- MHz MHz MHz ns ns ns ns
fCK5 fCK4 fCK3 tRCD tRP tRAS tRC
333 333 200 12 12 45 57
TABLE 3
Performance table for -3.7
Product Type Speed Code Speed Grade Max. Clock Frequency @CL5 @CL4 @CL3 Min. RAS-CAS-Delay Min. Row Precharge Time Min. Row Active Time Min. Row Cycle Time -3.7 DDR2-533C 4-4-4 Unit -- MHz MHz MHz ns ns ns ns
fCK5 fCK4 fCK3 tRCD tRP tRAS tRC
266 266 200 15 15 45 60
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HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
TABLE 4
Performance table for -5
Product Type Speed Code Speed Grade Max. Clock Frequency @CL5 @CL4 @CL3 Min. RAS-CAS-Delay Min. Row Precharge Time Min. Row Active Time Min. Row Cycle Time -5 DDR2-400B 3-3-3 Units -- MHz MHz MHz ns ns ns ns
fCK5 fCK4 fCK3 tRCD tRP tRAS tRC
200 200 200 15 15 40 55
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HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
1.2
Description
latched at the cross point of differential clocks (CK rising and CK falling). All I/Os are synchronized with a single ended DQS or differential DQS-DQS pair in a source synchronous fashion. A 16-bit address bus for x4 and x8 organized components and a 15-bit address bus for x16 components is used to convey row, column and bank address information in a RASCAS multiplexing style. The DDR2 device operates with a 1.8 V 0.1 V power supply. An Auto-Refresh and Self-Refresh mode is provided along with various power-saving power-down modes. The functionality described and the timing specifications included in this data sheet are for the DLL Enabled mode of operation. The DDR2 SDRAM is available in PG-TFBGA package.
The 512-Mb DDR2 DRAM is a high-speed Double-DataRate-Two CMOS DRAM device containing 536,870,912 bits and internally configured as a quad-bank DRAM. The 512-Mb device is organized as either 32 Mbit x 4 I/O x4 banks, 16 Mbit x8 I/O x 4 banks or 8 Mbit x16 I/O x4 banks chip. These devices achieve high speed transfer rates starting at 400 Mb/sec/pin for general applications. See Table 1 to Table 4 for performance figures. The device is designed to comply with all DDR2 DRAM key features: 1. Posted CAS with additive latency, 2. Write latency = read latency - 1, 3. Normal and weak strength data-output driver, 4. Off-Chip Driver (OCD) impedance adjustment 5. On-Die Termination (ODT) function. All of the control and address inputs are synchronized with a pair of externally supplied differential clocks. Inputs are
TABLE 5
Ordering Information for RoHS compliant products
Product Type HYB18TC512160BF-2.5 HYB18TC512800BF-2.5 HYB18TC512160BF-3 HYB18TC512800BF-3 HYB18TC512160BF-3S HYB18TC512800BF-3S HYB18TC512160BF-3.7 HYB18TC512800BF-3.7 HYB18TC512160BF-5 HYB18TC512800BF-5 Org x16 x8 x16 x8 x16 x8 x16 x8 x16 x8 Speed DDR2-800E DDR2-800E DDR2-667C DDR2-667C DDR2-667D DDR2-667D DDR2-533C DDR2-533C DDR2-400B DDR2-400B CAS-RCD-RP Latencies1)2)3) 6-6-6 6-6-6 4-4-4 4-4-4 5-5-5 5-5-5 4-4-4 4-4-4 3-3-3 3-3-3 Clock CAS-RCD-RP (MHz) Latencies1)2)3) 400 400 333 333 333 333 266 266 200 200 5-5-5 5-5-5 3-3-3 3-3-3 4-4-4 4-4-4 3-3-3 3-3-3 -- -- Clock Package (MHz) 333 333 200 200 266 266 200 200 -- -- PG-TFBGA-84-8 PG-TFBGA-60-24 PG-TFBGA-84-8 PG-TFBGA-60-24 PG-TFBGA-84-8 PG-TFBGA-60-24 PG-TFBGA-84-8 PG-TFBGA-60-24 PG-TFBGA-84-8 PG-TFBGA-60-24
1) CAS: Column Address Strobe 2) RCD: Row Column Delay 3) RP: Row Precharge
Note: For product nomenclature see Chapter 9 of this data sheet
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2
2.1
Pin Configuration
CPin Configuration for TFBGA-60 TFBGA-84
This chapter contains the pin configuration tables.
The pin configuration of a DDR2 SDRAM is listed by function in Table 6. The abbreviations used in the Pin# and Buffer Type columns are explained in Table 7 and Table 8 respectively. The pin numbering for the FBGA package is depicted in Figure 1 for x4, Figure 2 for x8 and Figure 3 for x16.
TABLE 6
Pin Configuration of DDR2 SDRAM
Ball#/Pin# Name Pin Type I I I I I I I I I I I I I I I I Buffer Type SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL Chip Select Bank Address Bus 1:0 Chip Select Row Address Strobe (RAS), Column Address Strobe (CAS), Write Enable (WE) Clock Enable Row Address Strobe (RAS), Column Address Strobe (CAS), Write Enable (WE) Clock Enable Clock Signal CK, Complementary Clock Signal CK Function
Clock Signals x8 Organization E8 F8 F2 J8 K8 K2 F7 G7 F3 G8 K7 L7 K3 L8 G2 G3 CK CK CKE CK CK CKE RAS CAS WE CS RAS CAS WE CS BA0 BA1 Clock Signal CK, Complementary Clock Signal CK
Clock Signals x16 Organization
Control Signals x8 Organization
Control Signals x16 Organization
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HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
Ball#/Pin# H8 H3 H7 J2 J8 J3 J7 K2 K8 K3 H2 K7 L2 L8
Name A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 AP A11 A12 A13 NC
Pin Type I I I I I I I I I I I I I I I - I I - I I I I I I I I I I I I I I
Buffer Type SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL - SSTL SSTL - SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL
Function Address Signal 12:0, Address Signal 10/Autoprecharge
Address Signal 13 Note: x4/x8 512 Mbit components Note: and x16 512 Mbit components Bank Address Bus 1:0
Address Signals x16 Organization L2 L3 L1 M8 M3 M7 N2 N8 N3 N7 P2 P8 P3 M2 P7 R2 BA0 BA1 NC A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 AP A11 A12
Address Signal 12:0, Address Signal 10/Autoprecharge
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HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
Ball#/Pin#
Name
Pin Type I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O O O
Buffer Type SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL SSTL
Function
Data Signals x8 Organization C8 C2 D7 D3 D1 D9 B1 B9 G8 G2 H7 H3 H1 H9 F1 F9 C8 C2 D7 D3 D1 D9 B1 B9 B7 A8 B3 A2 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 DQS DQS RDQS RDQS Data Signal 7:0
Data Signals x16 Organization Data Signal 15:0
Data Strobe x8 organisation Data Strobe Read Data Strobe
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HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
Ball#/Pin#
Name
Pin Type I/O I/O I/O I/O I I I PWR PWR PWR PWR AI PWR PWR PWR PWR AI PWR PWR PWR PWR PWR PWR
Buffer Type SSTL SSTL SSTL SSTL SSTL SSTL SSTL - - - - - - - - - - - - - - - -
Function
Data Strobe x16 Organization B7 A8 F7 E8 B3 B3 F3 UDQS UDQS LDQS LDQS DM UDM LDM Data Strobe Upper Byte Data Strobe Lower Byte
Data Mask x8 Organization Data Mask Data Mask Upper/Lower Byte Data Mask x16 Organization
Power Supplies x8 Organization A9,C1,C3,C7,C VDDQ 9 A1 VDD A7,B2,B8,D2,D VSSQ 8 A3,E3 E2 E1 E9,H9,L1 E7 J1,K9 J2 VSS VREF VDDL VDD VSSDL VSS VREF I/O Driver Power Supply Power Supply I/O Driver Power Supply Power Supply I/O Reference Voltage Power Supply Power Supply Power Supply Power Supply I/O Reference Voltage I/O Driver Power Supply Power Supply Power Supply I/O Driver Power Supply Power Supply Power Supply
Power Supplies x8 Organization
Power Supplies x16 Organization E9, G1, G3, G7, VDDQ G9 J1 E1, J9, M9, R1 VDDL VDD
E7, F2, F8, H2, VSSQ H8 J7 A3, E3,J3,N1,P9 VSSDL VSS
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HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
Ball#/Pin#
Name
Pin Type NC
Buffer Type -
Function
Not Connected x4 Organization A2, B1, B9, D1, NC D9,G1, L3,L7, L8 G1, L3,L7, L8 NC Not Connected
Not Connected x8 Organization NC NC - - Not Connected Not Connected Not Connected x16 Organization A2, E2, L1, R3, NC R7, R8 Other Pins x8 Organization F9 K9 ODT ODT I I SSTL SSTL On-Die Termination Control On-Die Termination Control Other Pins x16 Organization
TABLE 7
Abbreviations for Pin Type
Abbreviation I O I/O AI PWR GND NC Description Standard input-only pin. Digital levels. Output. Digital levels. I/O is a bidirectional input/output signal. Input. Analog levels. Power Ground Not Connected
TABLE 8
Abbreviations for Buffer Type
Abbreviation SSTL LV-CMOS CMOS OD Description Serial Stub Terminated Logic (SSTL_18) Low Voltage CMOS CMOS Levels Open Drain. The corresponding pin has 2 operational states, active low and tristate, and allows multiple devices to share as a wire-OR.
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HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
Pin Configuration for x4 components, PG-TFBGA-60 (top view)
FIGURE 1
Notes 1. VDDL and VSSDL are power and ground for the DLL. VDDL is connected to VDD on the device. VDD, VDDQ, VSSDL, VSS, and VSSQ are isolated on the device.
2. Ball position L8 is A13 for 512-Mbit and is Not Connected on 256-Mbit
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HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
Pin Configuration for x8 components, PG-TFBGA-60-24
FIGURE 2
Notes 1. RDQS / RDQS are enabled by EMRS(1) command. 2. If RDQS / RDQS is enabled, the DM function is disabled 3. When enabled, RDQS & RDQS are used as strobe signals during reads.
4. VDDL and VSSDL are power and ground for the DLL. VDDL is connected to VDD on the device. VDD, VDDQ, VSSDL, VSS, and VSSQ are isolated on the device. 5. Ball position L8 is A13 for 512-Mbit and is Not Connected on 256-Mbit.
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HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
Pin Configuration for x16 components, PG-TFBGA-84-8
FIGURE 3
Notes 1. UDQS/UDQS is data strobe for DQ[15:8], LDQS/LDQS is data strobe for DQ[7:0]
2. LDM is the data mask signal for DQ[7:0], UDM is the data mask signal for DQ[15:8] 3. VDDL and VSSDL are power and ground for the DLL. VDDL is connected to VDD on the device. VDD, VDDQ, VSSDL, VSS, and VSSQ are isolated on the device.
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HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
2.2
512 Mbit DDR2 Addressing
TABLE 9
DDR2 Addressing for x8 Organization
This chapter contents the table for the 512 Mbit DDR2 Addressing.
Configuration Bank Address Number of Banks Auto-Precharge Row Address Column Address Number of Column Address Bits Number of I/Os Page Size [Bytes]
1) Referred to as 'org' 2) Referred to as 'colbits' 3) PageSize = 2colbits x org/8 [Bytes]
64Mb x 8 BA[1:0] 4 A10 / AP A[13:0] A[9:0] 10 8
1)
Note
2)
1024 (1K)
3)
TABLE 10
DDR2 Addressing for x16 Organization
Configuration Bank Address Number of Banks Auto-Precharge Row Address Column Address Number of Column Address Bits Number of I/Os Page Size [Bytes]
1) Referred to as 'org' 2) Referred to as 'colbits' 3) PageSize = 2colbits x org/8 [Bytes]
32Mb x 16 BA[1:0] 4 A10 / AP A[12:0] A[9:0] 10 16 2048 (2K)
1)
Note
2)
3)
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3
Functional Description
This chapter describes the Functional Description.
TABLE 11
Mode Register Definition (BA[2:0] = 000B)
Field BA2 Bits 16 Type1) reg. addr. Description Bank Address [2] Note: BA2 not available on 256 Mbit and 512 Mbit components 0B BA1 BA0 A13 15 14 13 BA2 Bank Address Bank Address [1] BA1 Bank Address 0B Bank Address [0] 0B BA0 Bank Address Address Bus[13] Note: A13 is not available for 256 Mbit and x16 512 Mbit configuration 0B PD 12 w A13 Address bit 13 Active Power-Down Mode Select 0B PD Fast exit 1B PD Slow exit Write Recovery2) Note: All other bit combinations are illegal. 001B 010B 011B 100B 101B DLL 8 w WR 2 WR 3 WR 4 WR 5 WR 6
WR
[11:9]
w
DLL Reset 0B DLL No 1B DLL Yes Test Mode 0B TM Normal Mode 1B TM Vendor specific test mode
TM
7
w
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HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
Field CL
Bits [6:4]
Type1) w
Description CAS Latency Note: All other bit combinations are illegal. 011B 100B 101B 110B 111B CL 3 CL 4 CL 5 CL 6 CL 7
BT
3
w
Burst Type 0B BT Sequential 1B BT Interleaved Burst Length Note: All other bit combinations are illegal. 010B BL 4 011B BL 8
BL
[2:0]
w
1) w = write only register bits 2) Number of clock cycles for write recovery during auto-precharge. WR in clock cycles is calculated by dividing tWR (in ns) by tCK (in ns) and rounding up to the next integer: WR [cycles] tWR (ns) / tCK (ns). The mode register must be programmed to fulfill the minimum requirement for the analogue tWR timing WRMIN is determined by tCK.MAX and WRMAX is determined by tCK.MIN.
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TABLE 12
Extended Mode Register Definition (BA[2:0] = 001B)
Field BA2 Bits 16 Type
1)
Description Bank Address [2] Note: BA2 not available on 256 Mbit and 512 Mbit components 0B BA2 Bank Address Bank Address [1] BA1 Bank Address 0B Bank Address [0] 0B BA0 Bank Address
reg. addr.
BA1 BA0 A13
15 14 13 w
Address Bus[13] Note: A13 is not available for 256 Mbit and x16 512 Mbit configuration 0B A13 Address bit 13 Output Disable 0B QOff Output buffers enabled 1B QOff Output buffers disabled Read Data Strobe Output (RDQS, RDQS) 0B RDQS Disable 1B RDQS Enable Complement Data Strobe (DQS Output) 0B DQS Enable 1B DQS Disable Off-Chip Driver Calibration Program 000B OCD OCD calibration mode exit, maintain setting 001B OCD Drive (1) 010B OCD Drive (0) 100B OCD Adjust mode 111B OCD OCD calibration default
Qoff
12
RDQS
11
DQS
10
OCD [9:7] Program
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HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
Field AL
Bits [5:3]
Type1)
Description Additive Latency Note: All other bit combinations are illegal. 000B 001B 010B 011B 100B AL 0 AL 1 AL 2 AL 3 AL 4
RTT
6,2
Nominal Termination Resistance of ODT Note: See Table 23 "ODT DC Electrical Characteristics" on Page 26 00B 01B 10B 11B RTT (ODT disabled) RTT 75 Ohm RTT 150 Ohm RTT 50 Ohm
DIC
1
Off-chip Driver Impedance Control 0B DIC Full (Driver Size = 100%) 1B DIC Reduced DLL Enable 0B DLL Enable 1B DLL Disable
DLL
0
1) w = write only register bits
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TABLE 13
EMRS(2) Programming Extended Mode register Definition (BA[2:0]=010B)
Field BA2 Bits 16 Type w
1)
Description Bank Address[2] Note: BA2 is not available on 256Mbit and 512Mbit components 0B BA2 Bank Address Bank Adress[15:14] 00B BA MRS 01B BA EMRS(1) 10B BA EMRS(2) 11B BA EMRS(3): Reserved Address Bus[13:0] Note: A13 is not available for 256 Mbit and x16 512 Mbit configuration 0B A[13:0] Address bits Address Bus[7], adapted self refresh rate for TCASE > 85C 0B A7 disable 1B A7 enable 2) Address Bus[6:4] 0B A[6:4] Address bits Address Bus[3], Duty Cycle Correction (DCC) 0B A[3] DCC disabled 1B A[3] DCC enabled Address Bus[2:0], Partial Array Self Refresh for 4 Banks3) 000B PASR0 Full Array 001B PASR1 Half Array (BA[1:0]=00, 01) 010B PASR2 Quarter Array (BA[1:0]=00) 011B PASR3 Not defined 100B PASR4 3/4 array (BA[1:0]=01, 10, 11) 101B PASR5 Half array (BA[1:0]=10, 11) 110B PASR6 Quarter array (BA[1:0]=11) 111B PASR7 Not defined
BA
[15:14]
w
A
[13:7]
w
A
7
w
A A
[6:4] 3
w w
Partial Self Refresh for 4 banks A [2:0] w
1) w = write only 2) When DRAM is operated at 85C TCase 95C the extended self refresh rate must be enabled by setting bit A7 to "1" before the self refresh mode can be entered. 3) If PASR (Partial Array Self Refresh) is enabled, data located in areas of the array beyond the specified location will be lost if self refresh is entered. Data integrity will be maintained if tREF conditions are met and no Self Refresh command is issued
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TABLE 14
EMR(3) Programming Extended Mode Register Definition (BA[2:0]=010B)
Field BA2 Bits 16 Type
1)
Description Bank Address[2] Note: BA2 is not available on 256Mbit and 512Mbit components 0B BA2 Bank Address Bank Adress[1] 1B BA1 Bank Address Bank Adress[0] BA0 Bank Address 1B
reg.addr
BA1 BA0 A
15 14 [13:0] w
Address Bus[13:0] Note: A13 is not available for 256 Mbit and x16 512 Mbit configuration 0B A[13:0] Address bits
1) w = write only
TABLE 15
ODT Truth Table
Input Pin x8 components DQ[7:0] DQS DQS RDQS RDQS DM x16 components DQ[7:0] DQ[15:8] LDQS LDQS UDQS UDQS LDM UDM X X X 0 X 0 X X X X X X 0 X 0 X X 1 1 0 EMRS(1) Address Bit A10 EMRS(1) Address Bit A11
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TABLE 16
Burst Length and Sequence
Burst Length 4 Starting Address (A2 A1 A0) x00 x01 x1 0 x1 1 8 000 001 010 011 100 101 110 111 Notes 1. Page Size and Length is a function of I/O organization: 128Mb x 4 organization (CA[9:0], CA11); Page Size = 1 KByte; Page Length = 2048 64Mb x 8 organization (CA[9:0]); Page Size = 1 KByte; Page Length = 1024 Sequential Addressing (decimal) 0, 1, 2, 3 1, 2, 3, 0 2, 3, 0, 1 3, 0, 1, 2 0, 1, 2, 3, 4, 5, 6, 7 1, 2, 3, 0, 5, 6, 7, 4 2, 3, 0, 1, 6, 7, 4, 5 3, 0, 1, 2, 7, 4, 5, 6 4, 5, 6, 7, 0, 1, 2, 3 5, 6, 7, 4, 1, 2, 3, 0 6, 7, 4, 5, 2, 3, 0, 1 7, 4, 5, 6, 3, 0, 1, 2 Interleave Addressing (decimal) 0, 1, 2, 3 1, 0, 3, 2 2, 3, 0, 1 3, 2, 1, 0 0, 1, 2, 3, 4, 5, 6, 7 1, 0, 3, 2, 5, 4, 7, 6 2, 3, 0, 1, 6, 7, 4, 5 3, 2, 1, 0, 7, 6, 5, 4 4, 5, 6, 7, 0, 1, 2, 3 5, 4, 7, 6, 1, 0, 3, 2 6, 7, 4, 5, 2, 3, 0, 1 7, 6, 5, 4, 3, 2, 1, 0
32Mb x 16 organization (CA[9:0]); Page Size = 2 KByte; Page Length = 1024 2. Order of burst access for sequential addressing is "nibblebased" and therefore different from SDR or DDR components
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4
Truth Tables
The truth tables in this chapter summarize the commands and there signal coding to control a standard Double-Data-Rate-Two SDRAM.
TABLE 17
Clock Enable (CKE) Truth Table for Synchronous Transitions
Current State1) CKE Previous Cycle6) (N-1) Power-Down Self Refresh Bank(s) Active All Banks Idle L L L L H H H Any State other than listed above
1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11)
Current Cycle6) (N) L H L H L L L H
Command (N)2) 3) RAS, CAS, WE
Action (N)2)
Notes4)5)
X DESELECT or NOP X DESELECT or NOP DESELECT or NOP DESELECT or NOP AUTOREFRESH
Maintain Power-Down Power-Down Exit Maintain Self Refresh Self Refresh Exit Active Power-Down Entry Precharge Power-Down Entry Self Refresh Entry
7)8)11) 7)9)10)11) 8)11)12) 9)12)13)14) 7)9)10)11)15) 9)10)11)15)
7)11)14)16) 17)
H
Refer to the Command Truth Table
12) 13) 14) 15) 16) 17)
Current state is the state of the DDR2 SDRAM immediately prior to clock edge N. Command (N) is the command registered at clock edge N, and Action (N) is a result of Command (N) The state of ODT does not affect the states described in this table. The ODT function is not available during Self Refresh. See . CKE must be maintained HIGH while the device is in OCD calibration mode. Operation that is not specified is illegal and after such an event, in order to guarantee proper operation, the DRAM must be powered down and then restarted through the specified initialization sequence before normal operation can continue. CKE (N) is the logic state of CKE at clock edge N; CKE (N-1) was the state of CKE at the previous clock edge. The Power-Down Mode does not perform any refresh operations. The duration of Power-Down Mode is therefor limited by the refresh requirements "X" means "don't care (including floating around VREF)" in Self Refresh and Power Down. However ODT must be driven HIGH or LOW in Power Down if the ODT function is enabled (Bit A2 or A6 set to "1" in EMRS(1)). All states and sequences not shown are illegal or reserved unless explicitly described elsewhere in this document. Valid commands for Power-Down Entry and Exit are NOP and DESELECT only. tCKE.MIN of 3 clocks means CKE must be registered on three consecutive positive clock edges. CKE must remain at the valid input level the entire time it takes to achieve the 3 clocks of registration. Thus, after any CKE transition, CKE may not transition from its valid level during the time period of tIS + 2xtCKE + tIH. VREF must be maintained during Self Refresh operation. On Self Refresh Exit DESELECT or NOP commands must be issued on every clock edge occurring during the tXSNR period. Read commands may be issued only after tXSRD (200 clocks) is satisfied. Valid commands for Self Refresh Exit are NOP and DESELCT only. Power-Down and Self Refresh can not be entered while Read or Write operations, (Extended) mode Register operations, Precharge or Refresh operations are in progress. See and for a detailed list of restrictions. Self Refresh mode can only be entered from the All Banks Idle state. Must be a legal command as defined in the Command Truth Table.
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TABLE 18
Command Truth Table
Function CKE Previous Cycle (Extended) Mode Register Set Auto-Refresh Self-Refresh Entry Self-Refresh Exit Single Bank Precharge Precharge all Banks Bank Activate Write Write with AutoPrecharge Read Read with AutoPrecharge No Operation Device Deselect Power Down Entry Power Down Exit H H H L H H H H H H H H H H L Current Cycle H H L H H H H H H H H X X L H L L L H L L L L L L L L L H H L H L L L L X H L L L H H H H H X X H X H CS RAS CAS WE BA0 BA1 A[12:11] A10 A[9:0] Notes1)2)3)
L L L X H H H H L L L L H X X H X H
L H H X H L L H L L H H H X X H X H
BA X X X BA X BA BA BA BA BA X X X X
OP Code X X X X X Column Column Column Column X X X X X X X L H L H L H X X X X X X X X X Column Column Column Column X X X X
4)5)
4) 4)6) 4)6)7)
4)5) 4) 4)5) 4)5)8) 4)5)8)
Row Address
4)5)8) 4)5)8)
4) 4) 4)9)
4)9)
1) The state of ODT does not affect the states described in this table. The ODT function is not available during Self Refresh. 2) "X" means "H or L (but a defined logic level)". 3) Operation that is not specified is illegal and after such an event, in order to guarantee proper operation, the DRAM must be powered down and then restarted through the specified initialization sequence before normal operation can continue. 4) All DDR2 SDRAM commands are defined by states of CS, WE, RAS, CAS, and CKE at the rising edge of the clock. 5) Bank addresses BA[1:0] determine which bank is to be operated upon. For (E)MRS BA[1:0] selects an (Extended) Mode Register. 6) VREF must be maintained during Self Refresh operation. 7) Self Refresh Exit is asynchronous. 8) Burst reads or writes at BL = 4 cannot be terminated. See for details. 9) The Power Down Mode does not perform any refresh operations. The duration of Power Down is therefore limited by the refresh requirements outlined in
TABLE 19
Data Mask (DM) Truth Table
Name (Function) Write Enable Write Inhibit
1) Used to mask write data; provided coincident with the corresponding data.
DM L H
DQs Valid X
Note
1) 1)
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5
5.1
Electrical Characteristics
Absolute Maximum Ratings
TABLE 20
Absolute Maximum Ratings
This chapter lists the electrical characteristics.
This chapter contains the absolute maximum ratings table.
Symbol
Parameter Voltage on VDD pin relative to VSS Voltage on VDDQ pin relative to VSS Voltage on VDDL pin relative to VSS Voltage on any pin relative to VSS
Rating -1.0 to +2.3 -0.5 to +2.3 -0.5 to +2.3 -0.5 to +2.3
Unit V V V V C
Note
1) 1) 1) 1) 2)
Storage Temperature -55 to +100 1) When VDD and VDDQ and VDDL are less than 500mV; Vref may be equal to or less than 300mV.
2) Storage Temperature is the case surface temperature on the center/top side of the DRAM.
VDD VDDQ VDDL VIN, VOUT TSTG
Attention: Stresses above the max. values listed here may cause permanent damage to the device. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Maximum ratings are absolute ratings; exceeding only one of these values may cause irreversible damage to the integrated circuit.
TABLE 21
DRAM Component Operating Temperature Range
Symbol TOPER Parameter Operating Temperature Rating 0 to 95 Unit C Note
1)2)3)4)
1) Operating Temperature is the case surface temperature on the center / top side of the DRAM. 2) The operating temperature range are the temperatures where all DRAM specification will be supported. During operation, the DRAM case temperature must be maintained between 0 - 95 C under all other specification parameters. 3) Above 85 C case temperature the Auto-Refresh command interval has to be reduced to tREFI = 3.9 s. 4) When operating this product in the 85 C to 95 C TCASE temperature range, the High Temperature Self Refresh has to be enabled by setting EMR(2) bit A7 to "1". When the High Temperature Self Refresh is enabled there is an increase of IDD6 by approximately 50%
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5.2
DC Characteristics
TABLE 22
Recommended DC Operating Conditions (SSTL_18)
This chapter describes the DC characteristics.
Symbol
Parameter
Rating Min. Typ. 1.8 1.8 1.8 0.5 x VDDQ Max. 1.9 1.9 1.9 0.51 x VDDQ
Unit
Note
VDD VDDDL VDDQ VREF VTT
1) 2) 3) 4)
Supply Voltage Supply Voltage for DLL Supply Voltage for Output Input Reference Voltage
1.7 1.7 1.7 0.49 x VDDQ
V V V V
1) 1) 1) 2)3)
4) Termination Voltage VREF - 0.04 VREF VREF + 0.04 V VDDQ tracks with VDD, VDDDL tracks with VDD. AC parameters are measured with VDD, VDDQ and VDDDL tied together. The value of VREF may be selected by the user to provide optimum noise margin in the system. Typically the value of VREF is expected to be about 0.5 x VDDQ of the transmitting device and VREF is expected to track variations in VDDQ. Peak to peak ac noise on VREF may not exceed 2% VREF (dc) VTT is not applied directly to the device. VTT is a system supply for signal termination resistors, is expected to be set equal to VREF, and must track variations in die dc level of VREF.
TABLE 23
ODT DC Electrical Characteristics
Parameter / Condition Termination resistor impedance value for EMRS(1)[A6,A2] = [0,1]; 75 Ohm Termination resistor impedance value for EMRS(1)[A6,A2] =[1,0]; 150 Ohm Termination resistor impedance value for EMRS(1)(A6,A2)=[1,1]; 50 Ohm Deviation of VM with respect to VDDQ / 2
1)
Symbol Rtt1(eff) Rtt2(eff) Rtt3(eff) delta VM
Min. 60 120 40 -6.00
Nom. 75 150 50 --
Max. 90 180 60 + 6.00
Unit %
Note
1)
1)
1)
2)
Measurement Definition for Rtt(eff): Apply VIH(ac) and VIL(ac) to test pin separately, then measure current I(VIHac) and I(VILac) respectively. Rtt(eff) = (VIH(ac) - VIL(ac)) /(I(VIHac) - I(VILac)). 2) Measurement Definition for VM: Turn ODT on and measure voltage (VM) at test pin (midpoint) with no load: delta VM = ((2 x VM / VDDQ) - 1) x 100%
TABLE 24
Input and Output Leakage Currents
Symbol Parameter / Condition Input Leakage Current; any input 0 V < VIN < VDD Output Leakage Current; 0 V < VOUT < VDDQ Min. -2 -5 Max. +2 +5 Unit A A Note
1) 2)
IIL IOL
1) All other pins not under test = 0 V 2) DQ's, LDQS, LDQS, UDQS, UDQS, DQS, DQS, RDQS, RDQS are disabled and ODT is turned off
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5.3
DC & AC Characteristics
In differential mode, these timing relationships are measured relative to the crosspoint of DQS and its complement, DQS. This distinction in timing methods is verified by design and characterization but not subject to production test. In single ended mode, the DQS (and RDQS) signals are internally disabled and don't care.
DDR2 SDRAM pin timing are specified for either single ended or differential mode depending on the setting of the EMRS(1) "Enable DQS" mode bit; timing advantages of differential mode are realized in system design. The method by which the DDR2 SDRAM pin timing are measured is mode dependent. In single ended mode, timing relationships are measured relative to the rising or falling edges of DQS crossing at VREF.
TABLE 25
DC & AC Logic Input Levels for DDR2-667 and DDR2-800
Symbol Parameter DDR2-667, DDR2-800 Min. Max. Units
VIH(dc) VIL(dc) VIH(ac) VIL(ac)
DC input logic high DC input low AC input logic high AC input low
VREF + 0.125
-0.3
VDDQ + 0.3 VREF - 0.125
--
V V V V
VREF + 0.200
--
VREF - 0.200
TABLE 26
DC & AC Logic Input Levels for DDR2-533 and DDR2-400
Symbol Parameter DDR2-533, DDR2-400 Min. Max. Units
VIH(dc) VIL(dc) VIH(ac) VIL(ac)
DC input logic high DC input low AC input logic high AC input low
VREF + 0.125
-0.3
VDDQ + 0.3 VREF - 0.125
--
V V V V
VREF + 0.250
--
VREF - 0.250
TABLE 27
Single-ended AC Input Test Conditions
Symbol Condition Input reference voltage Input signal maximum peak to peak swing Input signal minimum Slew Rate Value 0.5 x VDDQ 1.0 1.0 Unit V V V / ns Note
1) 1) 2)3)
VREF VSWING.MAX
SLEW
1) Input waveform timing is referenced to the input signal crossing through the VREF level applied to the device under test. 2) The input signal minimum Slew Rate is to be maintained over the range from VIH(ac).MIN to VREF for rising edges and the range from VREF to VIL(ac).MAX for falling edges as shown in Figure 4. 3) AC timings are referenced with input waveforms switching from VIL(ac) to VIH(ac) on the positive transitions and VIH(ac) to VIL(ac) on the negative transitions.
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FIGURE 4
Single-ended AC Input Test Conditions Diagram
TABLE 28
Differential DC and AC Input and Output Logic Levels
Symbol Parameter DC input signal voltage DC differential input voltage AC differential input voltage AC differential cross point input voltage AC differential cross point output voltage Min. -0.3 0.25 0.5 0.5 x VDDQ - 0.175 0.5 x VDDQ - 0.125 Max. Unit -- -- V V V Note
1) 2) 3) 4) 5)
VIN(dc) VID(dc) VID(ac) VIX(ac) VOX(ac)
1) 2) 3) 4)
VDDQ + 0.3 VDDQ + 0.6 VDDQ + 0.6 0.5 x VDDQ + 0.175 0.5 x VDDQ + 0.125
indicates the voltage at which differential input signals must cross. 5) The value of VOX(ac) is expected to equal 0.5 x VDDQ of the transmitting device and VOX(ac) is expected to track variations in VDDQ. VOX(ac) indicates the voltage at which differential input signals must cross.
VIN(dc) specifies the allowable DC execution of each input of differential pair such as CK, CK, DQS, DQS etc. VID(dc) specifies the input differential voltage VTR- VCP required for switching. The minimum value is equal to VIH(dc) - VIL(dc). VID(ac) specifies the input differential voltage VTR - VCP required for switching. The minimum value is equal to VIH(ac) - VIL(ac). The value of VIX(ac) is expected to equal 0.5 x VDDQ of the transmitting device and VIX(ac) is expected to track variations in VDDQ. VIX(ac)
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FIGURE 5
Differential DC and AC Input and Output Logic Levels Diagram
5.4
Output Buffer Characteristics
TABLE 29
SSTL_18 Output DC Current Drive
This chapter describes the Output Buffer Characteristics.
Symbol
Parameter Output Minimum Source DC Current
SSTL_18 -13.4
Unit mA
Note
1)2)
2)3) Output Minimum Sink DC Current 13.4 mA 1) VDDQ = 1.7 V; VOUT = 1.42 V. (VOUT-VDDQ) / IOH must be less than 21 Ohm for values of VOUT between VDDQ and VDDQ - 280 mV. 2) The values of IOH(dc) and IOL(dc) are based on the conditions given in 1) and 3). They are used to test drive current capability to ensure VIH.MIN. plus a noise margin and VIL.MAX minus a noise margin are delivered to an SSTL_18 receiver. The actual current values are derived by
IOH IOL
shifting the desired driver operating points along 21 Ohm load line to define a convenient current for measurement. 3) VDDQ = 1.7 V; VOUT = 280 mV. VOUT / IOL must be less than 21 Ohm for values of VOUT between 0 V and 280 mV.
TABLE 30
SSTL_18 Output AC Test Conditions
Symbol Parameter Minimum Required Output Pull-up Maximum Required Output Pull-down Output Timing Measurement Reference Level SSTL_18 Unit V V V Note
1) 1)
VOH VOL VOTR
VTT + 0.603 VTT - 0.603 0.5 x VDDQ
1) SSTL_18 test load for VOH and VOL is different from the referenced load. The SSTL_18 test load has a 20 Ohm series resistor additionally to the 25 Ohm termination resistor into VTT. The SSTL_18 definition assumes that 335 mV must be developed across the effectively 25 Ohm termination resistor (13.4 mA x 25 Ohm = 335 mV). With an additional series resistor of 20 Ohm this translates into a minimum requirement of 603 mV swing relative to VTT, at the ouput device (13.4 mA x 45 Ohm = 603 mV).
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TABLE 31
OCD Default Characteristics
Symbol -- -- -- Description Output Impedance Pull-up / Pull down mismatch Output Impedance step size for OCD calibration Min. 0 0 1.5 Nominal -- -- -- Max. 4 1.5 5.0 Unit Ohms Ohms Ohms V / ns Note
1)2) 1)2)3) 4)
See Chapter 5.5
Output Slew Rate 1) VDDQ = 1.8 V 0.1 V; VDD = 1.8 V 0.1 V
SOUT
1)5)6)7)
2) Impedance measurement condition for output source dc current: VDDQ = 1.7 V, VOUT = 1420 mV; (VOUT-VDDQ) / IOH must be less than 23.4 ohms for values of VOUT between VDDQ and VDDQ - 280 mV. Impedance measurement condition for output sink dc current: VDDQ = 1.7 V; VOUT = -280 mV; VOUT / IOL must be less than 23.4 Ohms for values of VOUT between 0 V and 280 mV. 3) Mismatch is absolute value between pull-up and pull-down, both measured at same temperature and voltage. 4) This represents the step size when the OCD is near 18 ohms at nominal conditions across all process parameters and represents only the DRAM uncertainty. A 0 Ohm value (no calibration) can only be achieved if the OCD impedance is 18 0.75 Ohms under nominal conditions. 5) The absolute value of the Slew Rate as measured from DC to DC is equal to or greater than the Slew Rate as measured from AC to AC. This is verified by design and characterization but not subject to production test. 6) Timing skew due to DRAM output Slew Rate mis-match between DQS / DQS and associated DQ's is included in tDQSQ and tQHS specification. 7) DRAM output Slew Rate specification applies to 400, 533 and 667 MT/s speed bins.
5.5
Input / Output Capacitance
TABLE 32
Input / Output Capacitance
This chapter describes the Input / Output Capacitance.
Symbol CCK CDCK CI CDI CIO CDIO
Parameter Input capacitance, CK and CK Input capacitance delta, CK and CK Input capacitance, all other input-only pins Input capacitance delta, all other input-only pins Input/output capacitance, DQ, DM, DQS, DQS, RDQS, RDQS Input/output capacitance delta, DQ, DM, DQS, DQS, RDQS, RDQS
Min. 1.0 -- 1.0 -- 2.5 --
Max. 2.0 0.25 1.75 0.25 3.5 0.5
Unit pF pF pF pF pF pF
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5.6
Overshoot and Undershoot Specification
TABLE 33
AC Overshoot / Undershoot Specification for Address and Control Pins
This chapter describes the Overshoot and Undershoot Specification.
Parameter Maximum peak amplitude allowed for overshoot area Maximum peak amplitude allowed for undershoot area Maximum overshoot area above VDD Maximum undershoot area below VSS
DDR2-400 0.9 0.9 1.33 1.33
DDR2-533 0.9 0.9 1.00 1.00
DDR2-667 0.9 0.9 0.80 0.80
DDR2-800 0.9 0.9 0.80 0.80
Unit V V V.ns V.ns
FIGURE 6
AC Overshoot / Undershoot Diagram for Address and Control Pins
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TABLE 34
AC Overshoot / Undershoot Specification for Clock, Data, Strobe and Mask Pins
Parameter Maximum peak amplitude allowed for overshoot area Maximum peak amplitude allowed for undershoot area Maximum overshoot area above VDDQ Maximum undershoot area below VSSQ DDR2-400 0.9 0.9 0.38 0.38 DDR2-533 0.9 0.9 0.28 0.28 DDR2-667 0.9 0.9 0.23 0.23 DDR2-800 0.9 0.9 0.23 0.23 Unit V V V.ns V.ns
FIGURE 7
AC Overshoot / Undershoot Diagram for Clock, Data, Strobe and Mask Pins
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6
Specifications and Conditions
TABLE 35
IDD Measurement Conditions
This chapter describes the Specifications and Conditions.
Parameter
Symbol
Note
1)2)3)4) 5)6)
Operating Current - One bank Active - Precharge IDD0 tCK = tCK(IDD), tRC = tRC(IDD), tRAS = tRAS.MIN(IDD), CKE is HIGH, CS is HIGH between valid commands. Address and control inputs are switching; Databus inputs are switching. Operating Current - One bank Active - Read - Precharge IOUT = 0 mA, BL = 4, tCK = tCK(IDD), tRC = tRC(IDD), tRAS = tRAS.MIN(IDD), tRCD = tRCD(IDD), AL = 0, CL = CL(IDD); CKE is HIGH, CS is HIGH between valid commands. Address and control inputs are switching; Databus inputs are switching.
IDD1
1)2)3)4)5 )6)
Precharge Power-Down Current IDD2P All banks idle; CKE is LOW; tCK = tCK(IDD);Other control and address inputs are stable; Data bus inputs are floating. Precharge Standby Current All banks idle; CS is HIGH; CKE is HIGH; tCK = tCK(IDD); Other control and address inputs are switching, Data bus inputs are switching.
1)2)3)4)5 )6)
IDD2N
1)2)3)4)5 )6)
Precharge Quiet Standby Current IDD2Q All banks idle; CS is HIGH; CKE is HIGH; tCK = tCK(IDD); Other control and address inputs are stable, Data bus inputs are floating. Active Power-Down Current All banks open; tCK = tCK(IDD), CKE is LOW; Other control and address inputs are stable; Data bus inputs are floating. MRS A12 bit is set to "0" (Fast Power-down Exit). Active Power-Down Current All banks open; tCK = tCK(IDD), CKE is LOW; Other control and address inputs are stable, Data bus inputs are floating. MRS A12 bit is set to 1 (Slow Power-down Exit); Active Standby Current All banks open; tCK = tCK(IDD); tRAS = tRAS.MAX(IDD), tRP = tRP(IDD); CKE is HIGH, CS is HIGH between valid commands. Address inputs are switching; Data Bus inputs are switching; Operating Current Burst Read: All banks open; Continuous burst reads; BL = 4; AL = 0, CL = CL(IDD); tCK = tCK(IDD); tRAS = tRAS.MAX.(IDD), tRP = tRP(IDD); CKE is HIGH, CS is HIGH between valid commands. Address inputs are switching; Data Bus inputs are switching; IOUT = 0 mA. Operating Current Burst Write: All banks open; Continuous burst writes; BL = 4; AL = 0, CL = CL(IDD); tCK = tCK(IDD); tRAS = tRAS.MAX(IDD), tRP = tRP(IDD); CKE is HIGH, CS is HIGH between valid commands. Address inputs are switching; Data Bus inputs are switching; Burst Refresh Current tCK = tCK(IDD), Refresh command every tRFC = tRFC(IDD) interval, CKE is HIGH, CS is HIGH between valid commands, Other control and address inputs are switching, Data bus inputs are switching.
1)2)3)4)5 )6)
IDD3P(0)
1)2)3)4)5 )6)
IDD3P(1)
1)2)3)4)5 )6)
IDD3N
1)2)3)4)5 )6)
IDD4R
1)2)3)4)5 )6)
IDD4W
1)2)3)4)5 )6)
IDD5B
1)2)3)4)5 )6)
Distributed Refresh Current IDD5D tCK = tCK(IDD), Refresh command every tREFI = 7.8 s interval, CKE is LOW and CS is HIGH between valid commands, Other control and address inputs are switching, Data bus inputs are switching.
1)2)3)4)5 )6)
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Parameter
Symbol
Note
1)2)3)4)5 )6)
Self-Refresh Current IDD6 CKE 0.2 V; external clock off, CK and CK at 0 V; Other control and address inputs are floating, Data bus inputs are floating. Operating Bank Interleave Read Current IDD7 1. All banks interleaving reads, IOUT = 0 mA; BL = 4, CL = CL(IDD), AL = tRCD(IDD) -1 x tCK(IDD); tCK = tCK(IDD), tRC = tRC(IDD), tRRD = tRRD(IDD); CKE is HIGH, CS is HIGH between valid commands. Address bus inputs are stable during deselects; Data bus is switching. 2. Timing pattern: DDR2-400-333: A0 RA0 A1 RA1 A2 RA2 A3 RA3 D D D (11 clocks) DDR2-533-333: A0 RA0 D A1 RA1 D A2 RA2 D A3 RA3 D D D D (15 clocks) DDR2-667-444: A0 RA0 D D A1 RA1 D D A2 RA2 D D A3 RA3 D D D D D (19 clocks) DDR2-667-555: A0 RA0 D D A1 RA1 D D A2 RA2 D D A3 RA3 D D D D D D (20 clocks)
1) 2) 3) 4) 5) 6) 7)
1)2)3)4)5 )6)7)
DDR2-800-555: A0 RA0 D D D A1 RA1 D D D A2 RA2 D D D A3 RA3 D D D D D(22 clocks) VDDQ = 1.8 V 0.1 V; VDD = 1.8 V 0.1 V IDD specifications are tested after the device is properly initialized. IDD parameter are specified with ODT disabled.
Data Bus consists of DQ, DM, DQS, DQS, RDQS, RDQS, LDQS, LDQS, UDQS and UDQS. Definitions for IDD: see Table 36. Timing parameter minimum and maximum values for IDD current measurements are defined in chapter 7. A = Activate, RA = Read with Auto-Precharge, D=DESELECT
TABLE 36
Definition for IDD
Parameter LOW HIGH STABLE FLOATING SWITCHING Description defined as VIN VIL(ac).MAX defined as VIN VIH(ac).MIN defined as inputs are stable at a HIGH or LOW level defined as inputs are VREF = VDDQ / 2 defined as: Inputs are changing between high and low every other clock (once per two clocks) for address and control signals, and inputs changing between high and low every other clock (once per clock) for DQ signals not including mask or strobes
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TABLE 37
IDDSpecification for HYB18T512xxxBF
Symbol -2.5 DDR2-800E -3 DDR2-667C 75 95 90 105 7 45 40 33 9 50 130 155 130 170 140 9 7 160 252 -3S DDR2-667D 71 90 85 100 7 45 40 33 9 50 130 155 130 170 140 9 7 152 240 -3.7 DDR2-533C 65 80 75 90 7 38 35 28 9 43 110 130 110 145 130 9 7 145 230 -5 DDR2-400B 61 75 70 83 7 34 32 24 9 39 95 115 95 130 125 9 7 141 220 mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA
3) 3) 1) 2)
Unit
Note
IDD0 IDD1 IDD2P IDD2N IDD2Q IDD3P IDD3N IDD4R IDD4W IDD5B IDD5D IDD6 IDD7
80 100 95 115 7 51 45 39 9 60 155 180 155 200 145 9 7 160 255
x8 x16 x8 x16
x8 x16 x8 x16
x8 x16
1) MRS(12)=0 2) MRS(12)=1 3) 0 TCASE 85C.
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7
7.1
Timing Characteristics
Speed Grade Definitions
This chapter contains speed grade definition, AC timing parameter and ODT tables.
All Speed grades faster than DDR2-DDR400B comply with DDR2-DDR400B timing specifications(tCK = 5ns with tRAS = 40ns). List of Speed Grade Definition tables: * Table 38 "Speed Grade Definition Speed Bins for DDR2-800E" on Page 36 * Table 39 "Speed Grade Definition Speed Bins for DDR2-667" on Page 37 * Table 41 "Speed Grade Definition Speed Bins for DDR2-400B" on Page 38
TABLE 38
Speed Grade Definition Speed Bins for DDR2-800E
Speed Grade IFX Sort Name CAS-RCD-RP latencies Parameter Clock Frequency @ CL = 3 @ CL = 4 @ CL = 5 @ CL = 6 Row Active Time Row Cycle Time RAS-CAS-Delay Row Precharge Time Symbol DDR2-800E -2.5 6-6-6 Min. 5 3.75 3 2.5 45 60 15 15 Max. 8 8 8 8 70000 -- -- -- Unit Note
tCK
-- ns ns ns ns ns ns ns ns
1)2)3)4) 1)2)3)4) 1)2)3)4) 1)2)3)4) 1)2)3)4)5) 1)2)3)4) 1)2)3)4) 1)2)3)4)
tCK tCK tCK tCK tRAS tRC tRCD tRP
1) Timings are guaranteed with CK/CK differential Slew Rate of 2.0 V/ns. For DQS signals timings are guaranteed with a differential Slew Rate of 2.0 V/ns in differential strobe mode and a Slew Rate of 1 V/ns in single ended mode. Timings are further guaranteed for normal OCD drive strength (EMRS(1) A1 = 0) under the "Reference Load for Timing Measurements". 2) The CK/CK input reference level (for timing reference to CK/CK) is the point at which CK and CK cross. The DQS / DQS, RDQS / RDQS, input reference level is the crosspoint when in differential strobe mode; The input reference level for signals other than CK/CK, DQS / DQS, RDQS / RDQS is defined. 3) Inputs are not recognized as valid until VREF stabilizes. During the period before VREF stabilizes, CKE = 0.2 x VDDQ is recognized as low. 4) The output timing reference voltage level is VTT. 5) tRAS.MAX is calculated from the maximum amount of time a DDR2 device can operate without a refresh command which is equal to 9 x tREFI.
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TABLE 39
Speed Grade Definition Speed Bins for DDR2-667
Speed Grade IFX Sort Name CAS-RCD-RP latencies Parameter Clock Frequency @ CL = 3 @ CL = 4 @ CL = 5 Row Active Time Row Cycle Time RAS-CAS-Delay Row Precharge Time Symbol DDR2-667C -3 4-4-4 Min. 5 3 3 45 57 12 12 Max. 8 8 8 70000 -- -- -- DDR2-667D -3S 5-5-5 Min. 5 3.75 3 45 60 15 15 Max. 8 8 8 70000 -- -- -- Unit Note
tCK
-- ns ns ns ns ns ns ns
1)2)3)4) 1)2)3)4) 1)2)3)4) 1)2)3)4)5) 1)2)3)4) 1)2)3)4) 1)2)3)4)
tCK tCK tCK tRAS tRC tRCD tRP
1) Timings are guaranteed with CK/CK differential Slew Rate of 2.0 V/ns. For DQS signals timings are guaranteed with a differential Slew Rate of 2.0 V/ns in differential strobe mode and a Slew Rate of 1 V/ns in single ended mode. Timings are further guaranteed for normal OCD drive strength (EMRS(1) A1 = 0) under the "Reference Load for Timing Measurements" . 2) The CK/CK input reference level (for timing reference to CK/CK) is the point at which CK and CK cross. The DQS / DQS, RDQS / RDQS, input reference level is the crosspoint when in differential strobe mode; The input reference level for signals other than CK/CK, DQS / DQS, RDQS / RDQS is defined. 3) Inputs are not recognized as valid until VREF stabilizes. During the period before VREF stabilizes, CKE = 0.2 x VDDQ is recognized as low. 4) The output timing reference voltage level is VTT. 5) tRAS.MAX is calculated from the maximum amount of time a DDR2 device can operate without a refresh command which is equal to 9 x tREFI.
TABLE 40
Speed Grade Definition Speed Bins for DDR2-533C
Speed Grade IFX Sort Name CAS-RCD-RP latencies Parameter Clock Frequency @ CL = 3 @ CL = 4 @ CL = 5 Row Active Time Row Cycle Time RAS-CAS-Delay Row Precharge Time Symbol DDR2-533C -3.7 4-4-4 Min. 5 3.75 3.75 45 60 15 15 Max. 8 8 8 70000 -- -- -- Unit Note
tCK
-- ns ns ns ns ns ns ns
1)2)3)4) 1)2)3)4) 1)2)3)4) 1)2)3)4)5) 1)2)3)4) 1)2)3)4) 1)2)3)4)
tCK tCK tCK tRAS tRC tRCD tRP
1) Timings are guaranteed with CK/CK differential Slew Rate of 2.0 V/ns. For DQS signals timings are guaranteed with a differential Slew Rate of 2.0 V/ns in differential strobe mode and a Slew Rate of 1 V/ns in single ended mode. Timings are further guaranteed for normal OCD drive strength (EMRS(1) A1 = 0) under the "Reference Load for Timing Measurements". 2) The CK/CK input reference level (for timing reference to CK/CK) is the point at which CK and CK cross. The DQS / DQS, RDQS / RDQS, input reference level is the crosspoint when in differential strobe mode; The input reference level for signals other than CK/CK, DQS / DQS, RDQS / RDQS is defined.
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3) Inputs are not recognized as valid until VREF stabilizes. During the period before VREF stabilizes, CKE = 0.2 x VDDQ is recognized as low. 4) The output timing reference voltage level is VTT. 5) tRAS.MAX is calculated from the maximum amount of time a DDR2 device can operate without a refresh command which is equal to 9 x tREFI.
TABLE 41
Speed Grade Definition Speed Bins for DDR2-400B
Speed Grade IFX Sort Name CAS-RCD-RP latencies Parameter Clock Frequency @ CL = 3 @ CL = 4 @ CL = 5 Row Active Time Row Cycle Time RAS-CAS-Delay Row Precharge Time Symbol DDR2-400B -5 3-3-3 Min. 5 5 5 40 55 15 15 Max. 8 8 8 70000 -- -- -- Unit Note
tCK
-- ns ns ns ns ns ns ns
1)2)3)4) 1)2)3)4) 1)2)3)4) 1)2)3)4)5) 1)2)3)4) 1)2)3)4) 1)2)3)4)
tCK tCK tCK tRAS tRC tRCD tRP
1) Timings are guaranteed with CK/CK differential Slew Rate of 2.0 V/ns. For DQS signals timings are guaranteed with a differential Slew Rate of 2.0 V/ns in differential strobe mode and a Slew Rate of 1 V/ns in single ended mode. For other Slew Rates see Timings are further guaranteed for normal OCD drive strength (EMRS(1) A1 = 0) under the "Reference Load for Timing Measurements" according to only. 2) The CK/CK input reference level (for timing reference to CK/CK) is the point at which CK and CK cross. The DQS / DQS, RDQS / RDQS, input reference level is the crosspoint when in differential strobe mode; The input reference level for signals other than CK/CK, DQS / DQS, RDQS / RDQS is defined in . 3) Inputs are not recognized as valid until VREF stabilizes. During the period before VREF stabilizes, CKE = 0.2 x VDDQ is recognized as low. 4) The output timing reference voltage level is VTT. See for the reference load for timing measurements. 5) tRAS.MAX is calculated from the maximum amount of time a DDR2 device can operate without a refresh command which is equal to 9 x tREFI.
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7.2
AC Timing Parameters
List of Timing Parameters Tables. * Table 42 "Timing Parameter by Speed Grade - DDR2-800" on Page 39 * Table 43 "Timing Parameter by Speed Grade - DDR2-667" on Page 42 * Table 44 "Timing Parameter by Speed Grade - DDR2-533" on Page 48 * Table 45 "Timing Parameter by Speed Grade - DDR2-400" on Page 51
TABLE 42
Timing Parameter by Speed Grade - DDR2-800
Parameter Symbol DDR2-800 Min. DQ output access time from CK / CK DQS output access time from CK / CK Average clock high pulse width Average clock low pulse width Max. +400 +350 0.52 0.52 8000 -- -- -- -- ps ps
9) 9)
Unit
Note1)2)3)4)5)6)7)
8)
tAC tDQSCK tCH.AVG
-400 -350 0.48 0.48 2500 50 125 0.6 0.35 --
tCK.AVG tCK.AVG
ps ps ps
10)11)
10)11) 10)11) 12)13)14) 13)14)15)
tCL.AVG Average clock period tCK.AVG DQ and DM input setup time tDS.BASE DQ and DM input hold time tDH.BASE Control & address input pulse width for each input tIPW DQ and DM input pulse width for each input tDIPW Data-out high-impedance time from CK / CK tHZ DQS/DQS low-impedance time from CK / CK tLZ.DQS DQ low impedance time from CK/CK tLZ.DQ DQS-DQ skew for DQS & associated DQ signals tDQSQ CK half pulse width tHP
DQ hold skew factor DQ/DQS output hold time from DQS Write command to DQS associated clock edges
tCK.AVG tCK.AVG
ps ps ps ps ps ps ps nCK
9)16) 9)16) 9)16) 17) 18)
tAC.MIN 2 x tAC.MIN
-- Min(tCH.ABS, tCL.ABS) --
tAC.MAX tAC.MAX
tAC.MAX 200 __ 300 -- + 0.25 -- -- -- -- 0.6 -- -- -- 1.1 0.6 70000
tQHS tQH
WL
19) 20)
tHP - tQHS
RL - 1 - 0.25 0.35 0.35 0.2 0.2 0.4 0.35 175 250 0.9 0.4 45
DQS latching rising transition to associated clock tDQSS edges DQS input high pulse width DQS input low pulse width DQS falling edge to CK setup time DQS falling edge hold time from CK Write postamble Write preamble Address and control input setup time Address and control input hold time Read preamble Read postamble Active to precharge command
tCK.AVG tCK.AVG tCK.AVG tCK.AVG tCK.AVG tCK.AVG tCK.AVG
ps ps
21)
tDQSH tDQSL tDSS tDSH tWPST tWPRE tLS.BASE tLH.BASE tRPRE tRPST tRAS
21) 21)
22)23) 23)24) 25)26) 25)27) 28)
tCK.AVG tCK.AVG
ns
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Parameter
Symbol
DDR2-800 Min. Max. -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 2
Unit
Note1)2)3)4)5)6)7)
8)
Active to active command period for 1KB page size products Active to active command period for 2KB page size products
tRRD tRRD
7.5 10 35 45 2 15 WR + tnRP 7.5 7.5
ns ns ns ns nCK ns nCK ns ns ns nCK nCK nCK nCK nCK nCK ns ns nCK
28)
28)
Four Activate Window for 1KB page size products tFAW Four Activate Window for 2KB page size products tFAW
28) 28)
tCCD Write recovery time tWR Auto-Precharge write recovery + precharge time tDAL Internal write to read command delay tWTR Internal Read to Precharge command delay tRTP Exit self-refresh to a non-read command tXSNR Exit self-refresh to read command tXSRD Exit precharge power-down to any valid tXP
CAS to CAS command delay command (other than NOP or Deselect) Exit power down to read command Exit active power-down mode to read command (slow exit, lower power) CKE minimum pulse width ( high and low pulse width) ODT turn-on delay ODT turn-on ODT turn-on (Power down mode) ODT turn-off delay ODT turn-off ODT turn-off (Power down mode) ODT to power down entry latency ODT to power down exit latency Mode register set command cycle time MRS command to ODT update delay OCD drive mode output delay Minimum time clocks remain ON after CKE asynchronously drops LOW
28) 29)30) 28)31) 28) 28)
tRFC +10
200 2 2 8 - AL 3 2
tXARD tXARDS tCKE tAOND tAON tAONPD tAOFD tAOF tAOFPD tANPD tAXPD tMRD tMOD tOIT tDELAY
32)
tAC.MIN tAC.MIN + 2
2.5
tAC.MAX + 0.7 2 x tCK.AVG + tAC.MAX + 1
2.5
9)33)
tAC.MIN tAC.MIN + 2
3 8 2 0 0
tAC.MAX + 0.6 ns 2.5 x tCK.AVG + ns tAC.MAX + 1
-- -- -- 12 12 nCK nCK nCK ns ns ns
34)35)
28) 28)
tLS + tCK .AVG + -- tLH
1) For details and notes see the relevant Qimonda component data sheet 2) VDDQ = 1.8 V 0.1V; VDD = 1.8 V 0.1 V. See notes 5)6)7)8) 3) Timing that is not specified is illegal and after such an event, in order to guarantee proper operation, the DRAM must be powered down and then restarted through the specified initialization sequence before normal operation can continue. 4) Timings are guaranteed with CK/CK differential Slew Rate of 2.0 V/ns. For DQS signals timings are guaranteed with a differential Slew Rate of 2.0 V/ns in differential strobe mode and a Slew Rate of 1 V/ns in single ended mode. 5) The CK / CK input reference level (for timing reference to CK / CK) is the point at which CK and CK cross. The DQS / DQS, RDQS / RDQS, input reference level is the crosspoint when in differential strobe mode;
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6) Inputs are not recognized as valid until VREF stabilizes. During the period before VREF stabilizes, CKE = 0.2 x VDDQ is recognized as low. 7) The output timing reference voltage level is VTT. 8) New units, `tCK.AVG` and `nCK`, are introduced in DDR2-667 and DDR2-800. Unit `tCK.AVG` represents the actual tCK.AVG of the input clock under operation. Unit `nCK` represents one clock cycle of the input clock, counting the actual clock edges. Note that in DDR2-400 and DDR2-533, `tCK` is used for both concepts. Example: tXP = 2 [nCK] means; if Power Down exit is registered at Tm, an Active command may be registered at Tm + 2, even if (Tm + 2 - Tm) is 2 x tCK.AVG + tERR.2PER(Min). 9) When the device is operated with input clock jitter, this parameter needs to be derated by the actual tERR(6-10per) of the input clock. (output deratings are relative to the SDRAM input clock.) For example, if the measured jitter into a DDR2-667 SDRAM has tERR(6-10PER).MIN = - 272 ps and tERR(6- 10PER).MAX = + 293 ps, then tDQSCK.MIN(DERATED) = tDQSCK.MIN - tERR(6-10PER).MAX = - 400 ps - 293 ps = - 693 ps and tDQSCK.MAX(DERATED) = tDQSCK.MAX - tERR(6-10PER).MIN = 400 ps + 272 ps = + 672 ps. Similarly, tLZ.DQ for DDR2-667 derates to tLZ.DQ.MIN(DERATED) = - 900 ps - 293 ps = - 1193 ps and tLZ.DQ.MAX(DERATED) = 450 ps + 272 ps = + 722 ps. (Caution on the MIN/MAX usage!) 10) Input clock jitter spec parameter. These parameters are referred to as 'input clock jitter spec parameters' and these parameters apply to DDR2-667 and DDR2-800 only. The jitter specified is a random jitter meeting a Gaussian distribution. 11) These parameters are specified per their average values, however it is understood that the relationship between the average timing and the absolute instantaneous timing holds all the times (min. and max of SPEC values are to be used for calculations). 12) Input waveform timing tDS with differential data strobe enabled MR[bit10] = 0, is referenced from the input signal crossing at the VIH.AC level to the differential data strobe crosspoint for a rising signal, and from the input signal crossing at the VIL.AC level to the differential data strobe crosspoint for a falling signal applied to the device under test. DQS, DQS signals must be monotonic between Vil(DC)MAX and Vih(DC)MIN. See Figure 9. 13) If tDS or tDH is violated, data corruption may occur and the data must be re-written with valid data before a valid READ can be executed. 14) These parameters are measured from a data signal ((L/U)DM, (L/U)DQ0, (L/U)DQ1, etc.) transition edge to its respective data strobe signal ((L/U/R)DQS / DQS) crossing. 15) Input waveform timing tDH with differential data strobe enabled MR[bit10] = 0, is referenced from the differential data strobe crosspoint to the input signal crossing at the VIH.DC level for a falling signal and from the differential data strobe crosspoint to the input signal crossing at the VIL.DC level for a rising signal applied to the device under test. DQS, DQS signals must be monotonic between VIL.DC.MAX and VIH.DC.MIN. See Figure 9. 16) tHZ and tLZ transitions occur in the same access time as valid data transitions. These parameters are referenced to a specific voltage level which specifies when the device output is no longer driving (tHZ), or begins driving (tLZ) . 17) tDQSQ: Consists of data pin skew and output pattern effects, and p-channel to n-channel variation of the output drivers as well as output slew rate mismatch between DQS / DQS and associated DQ in any given cycle. 18) tHP is the minimum of the absolute half period of the actual input clock. tHP is an input parameter but not an input specification parameter. It is used in conjunction with tQHS to derive the DRAM output timing tQH. The value to be used for tQH calculation is determined by the following equation; tHP = MIN (tCH.ABS, tCL.ABS), where, tCH.ABS is the minimum of the actual instantaneous clock high time; tCL.ABS is the minimum of the actual instantaneous clock low time. 19) tQHS accounts for: 1) The pulse duration distortion of on-chip clock circuits, which represents how well the actual tHP at the input is transferred to the output; and 2) The worst case push-out of DQS on one transition followed by the worst case pull-in of DQ on the next transition, both of which are independent of each other, due to data pin skew, output pattern effects, and pchannel to n-channel variation of the output drivers. 20) tQH = tHP - tQHS, where: tHP is the minimum of the absolute half period of the actual input clock; and tQHS is the specification value under the max column. {The less half-pulse width distortion present, the larger the tQH value is; and the larger the valid data eye will be.} Examples: 1) If the system provides tHP of 1315 ps into a DDR2-667 SDRAM, the DRAM provides tQH of 975 ps minimum. 2) If the system provides tHP of 1420 ps into a DDR2-667 SDRAM, the DRAM provides tQH of 1080 ps minimum. 21) These parameters are measured from a data strobe signal ((L/U/R)DQS / DQS) crossing to its respective clock signal (CK / CK) crossing. The spec values are not affected by the amount of clock jitter applied (i.e. tJIT.PER, tJIT.CC, etc.), as these are relative to the clock signal crossing. That is, these parameters should be met whether clock jitter is present or not. 22) Input waveform timing is referenced from the input signal crossing at the VIH.AC level for a rising signal and VIL.AC for a falling signal applied to the device under test. See Figure 10. 23) These parameters are measured from a command/address signal (CKE, CS, RAS, CAS, WE, ODT, BA0, A0, A1, etc.) transition edge to its respective clock signal (CK / CK) crossing. The spec values are not affected by the amount of clock jitter applied (i.e. tJIT.PER, tJIT.CC, etc.), as the setup and hold are relative to the clock signal crossing that latches the command/address. That is, these parameters should be met whether clock jitter is present or not. 24) Input waveform timing is referenced from the input signal crossing at the VIL.DC level for a rising signal and VIH.DC for a falling signal applied to the device under test. See Figure 10. 25) tRPST end point and tRPRE begin point are not referenced to a specific voltage level but specify when the device output is no longer driving (tRPST), or begins driving (tRPRE). Figure 8 shows a method to calculate these points when the device is no longer driving (tRPST), or begins driving (tRPRE) by measuring the signal at two different voltages. The actual voltage measurement points are not critical as long as the calculation is consistent.
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26) When the device is operated with input clock jitter, this parameter needs to be derated by the actual tJIT.PER of the input clock. (output deratings are relative to the SDRAM input clock.) For example, if the measured jitter into a DDR2-667 SDRAM has tJIT.PER.MIN = - 72 ps and tJIT.PER.MAX = + 93 ps, then tRPRE.MIN(DERATED) = tRPRE.MIN + tJIT.PER.MIN = 0.9 x tCK.AVG - 72 ps = + 2178 ps and tRPRE.MAX(DERATED) = tRPRE.MAX + tJIT.PER.MAX = 1.1 x tCK.AVG + 93 ps = + 2843 ps. (Caution on the MIN/MAX usage!). 27) When the device is operated with input clock jitter, this parameter needs to be derated by the actual tJIT.DUTY of the input clock. (output deratings are relative to the SDRAM input clock.) For example, if the measured jitter into a DDR2-667 SDRAM has tJIT.DUTY.MIN = - 72 ps and tJIT.DUTY.MAX = + 93 ps, then tRPST.MIN(DERATED) = tRPST.MIN + tJIT.DUTY.MIN = 0.4 x tCK.AVG - 72 ps = + 928 ps and tRPST.MAX(DERATED) = tRPST.MAX + tJIT.DUTY.MAX = 0.6 x tCK.AVG + 93 ps = + 1592 ps. (Caution on the MIN/MAX usage!). 28) For these parameters, the DDR2 SDRAM device is characterized and verified to support tnPARAM = RU{tPARAM / tCK.AVG}, which is in clock cycles, assuming all input clock jitter specifications are satisfied. For example, the device will support tnRP = RU{tRP / tCK.AVG}, which is in clock cycles, if all input clock jitter specifications are met. This means: For DDR2-667 5-5-5, of which tRP = 15 ns, the device will support tnRP = RU{tRP / tCK.AVG} = 5, i.e. as long as the input clock jitter specifications are met, Precharge command at Tm and Active command at Tm + 5 is valid even if (Tm + 5 - Tm) is less than 15 ns due to input clock jitter. 29) DAL = WR + RU{tRP(ns) / tCK(ns)}, where RU stands for round up. WR refers to the tWR parameter stored in the MRS. For tRP, if the result of the division is not already an integer, round up to the next highest integer. tCK refers to the application clock period. Example: For DDR2-533 at tCK = 3.75 ns with tWR programmed to 4 clocks. tDAL = 4 + (15 ns / 3.75 ns) clocks = 4 + (4) clocks = 8 clocks. 30) tDAL.nCK = WR [nCK] + tnRP.nCK = WR + RU{tRP [ps] / tCK.AVG[ps] }, where WR is the value programmed in the EMR. 31) tWTR is at lease two clocks (2 x tCK) independent of operation frequency. 32) tCKE.MIN of 3 clocks means CKE must be registered on three consecutive positive clock edges. CKE must remain at the valid input level the entire time it takes to achieve the 3 clocks of registration. Thus, after any CKE transition, CKE may not transition from its valid level during the time period of tIS + 2 x tCK + tIH. 33) ODT turn on time min is when the device leaves high impedance and ODT resistance begins to turn on. ODT turn on time max is when the ODT resistance is fully on. Both are measured from tAOND. 34) ODT turn off time min is when the device starts to turn off ODT resistance. ODT turn off time max is when the bus is in high impedance. Both are measured from tAOFD. 35) When the device is operated with input clock jitter, this parameter needs to be derated by {-tJIT.DUTY.MAX - tERR(6-10PER).MAX} and {-tJIT.DUTY.MIN - tERR(6-10PER).MIN } of the actual input clock. (output deratings are relative to the SDRAM input clock.) For example, if the measured jitter into a DDR2-667 SDRAM has tERR(6-10PER).MIN = - 272 ps, tERR(6- 10PER).MAX = + 293 ps, tJIT.DUTY.MIN = - 106 ps and tJIT.DUTY.MAX = + 94 ps, then tAOF.MIN(DERATED) = tAOF.MIN + {- tJIT.DUTY.MAX - tERR(6-10PER).MAX} = - 450 ps + {- 94 ps - 293 ps} = - 837 ps and tAOF.MAX(DERATED) = tAOF.MAX + {- tJIT.DUTY.MIN - tERR(6-10PER).MIN} = 1050 ps + {106 ps + 272 ps} = + 1428 ps. (Caution on the MIN/MAX usage!)
TABLE 43
Timing Parameter by Speed Grade - DDR2-667
Parameter Symbol DDR2-667 Min. DQ output access time from CK / CK DQS output access time from CK / CK Average clock high pulse width Average clock low pulse width Max. +450 +400 0.52 0.52 8000 -- -- -- -- ps ps
9) 9)
Unit
Note1)2)3)4)5)6)7)
8)
tAC tDQSCK tCH.AVG
-450 -400 0.48 0.48 3000 100 175 0.6 0.35 --
tCK.AVG tCK.AVG
ps ps ps
10)11)
10)11)
tCL.AVG Average clock period tCK.AVG DQ and DM input setup time tDS.BASE DQ and DM input hold time tDH.BASE Control & address input pulse width for each input tIPW DQ and DM input pulse width for each input tDIPW Data-out high-impedance time from CK / CK tHZ DQS/DQS low-impedance time from CK / CK tLZ.DQS DQ low impedance time from CK/CK tLZ.DQ DQS-DQ skew for DQS & associated DQ signals tDQSQ CK half pulse width tHP
12)13)14) 13)14)15)
tCK.AVG tCK.AVG
ps ps ps ps ps
9)16) 9)16) 9)16) 17) 18)
tAC.MIN 2 x tAC.MIN
-- Min(tCH.ABS, tCL.ABS)
tAC.MAX tAC.MAX tAC.MAX
240 __
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Parameter
Symbol
DDR2-667 Min. Max. 340 -- + 0.25 -- -- -- -- 0.6 -- -- -- 1.1 0.6 70000 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 2
Unit
Note1)2)3)4)5)6)7)
8)
DQ hold skew factor DQ/DQS output hold time from DQS Write command to DQS associated clock edges
tQHS tQH
WL
--
ps ps nCK
19) 20)
tHP - tQHS
RL-1 - 0.25 0.35 0.35 0.2 0.2 0.4 0.35 200 275 0.9 0.4 45 7.5 10 37.5 50 2 15 WR + tnRP 7.5 7.5
DQS latching rising transition to associated clock tDQSS edges DQS input high pulse width DQS input low pulse width DQS falling edge to CK setup time DQS falling edge hold time from CK Write postamble Write preamble Address and control input setup time Address and control input hold time Read preamble Read postamble Active to precharge command Active to active command period for 1KB page size products Active to active command period for 2KB page size products
tCK.AVG tCK.AVG tCK.AVG tCK.AVG tCK.AVG tCK.AVG tCK.AVG
ps ps
21)
tDQSH tDQSL tDSS tDSH tWPST tWPRE tLS.BASE tLH.BASE tRPRE tRPST tRAS tRRD tRRD
21) 21)
22)23) 23)24) 25)26) 25)27) 28) 28)
tCK.AVG tCK.AVG
ns ns ns ns ns nCK ns nCK ns ns ns nCK nCK nCK nCK nCK nCK ns ns nCK
28)
Four Activate Window for 1KB page size products tFAW Four Activate Window for 2KB page size products tFAW
28) 28)
tCCD tWR Auto-Precharge write recovery + precharge time tDAL Internal write to read command delay tWTR Internal Read to Precharge command delay tRTP Exit self-refresh to a non-read command tXSNR Exit self-refresh to read command tXSRD Exit precharge power-down to any valid tXP
CAS to CAS command delay Write recovery time command (other than NOP or Deselect) Exit power down to read command Exit active power-down mode to read command (slow exit, lower power) CKE minimum pulse width ( high and low pulse width) ODT turn-on delay ODT turn-on ODT turn-on (Power down mode) ODT turn-off delay
28) 29)30) 28)31) 28) 28)
tRFC +10
200 2 2 7 - AL 3 2
tXARD tXARDS tCKE tAOND tAON tAONPD tAOFD
32)
tAC.MIN tAC.MIN + 2
2.5
tAC.MAX + 0.7 2 x tCK.AVG + tAC.MAX + 1
2.5
9)33)
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HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
Parameter
Symbol
DDR2-667 Min. Max.
Unit
Note1)2)3)4)5)6)7)
8)
ODT turn-off ODT turn-off (Power down mode) ODT to power down entry latency ODT to power down exit latency Mode register set command cycle time MRS command to ODT update delay OCD drive mode output delay Minimum time clocks remain ON after CKE asynchronously drops LOW
tAOF tAOFPD tANPD tAXPD tMRD tMOD tOIT tDELAY
tAC.MIN tAC.MIN + 2
3 8 2 0 0
tAC.MAX + 0.6 ns 2.5 x tCK.AVG + ns tAC.MAX + 1
-- -- -- 12 12 nCK nCK nCK ns ns ns
34)35)
28) 28)
tLS + tCK .AVG + -- tLH
1) For details and notes see the relevant Qimonda component data sheet 2) VDDQ = 1.8 V 0.1V; VDD = 1.8 V 0.1 V. See notes 5)6)7)8) 3) Timing that is not specified is illegal and after such an event, in order to guarantee proper operation, the DRAM must be powered down and then restarted through the specified initialization sequence before normal operation can continue. 4) Timings are guaranteed with CK/CK differential Slew Rate of 2.0 V/ns. For DQS signals timings are guaranteed with a differential Slew Rate of 2.0 V/ns in differential strobe mode and a Slew Rate of 1 V/ns in single ended mode. 5) The CK / CK input reference level (for timing reference to CK / CK) is the point at which CK and CK cross. The DQS / DQS, RDQS / RDQS, input reference level is the crosspoint when in differential strobe mode. 6) Inputs are not recognized as valid until VREF stabilizes. During the period before VREF stabilizes, CKE = 0.2 x VDDQ is recognized as low. 7) The output timing reference voltage level is VTT. 8) New units, `tCK.AVG` and `nCK`, are introduced in DDR2-667 and DDR2-800. Unit `tCK.AVG` represents the actual tCK.AVG of the input clock under operation. Unit `nCK` represents one clock cycle of the input clock, counting the actual clock edges. Note that in DDR2-400 and DDR2-533, `tCK` is used for both concepts. Example: tXP = 2 [nCK] means; if Power Down exit is registered at Tm, an Active command may be registered at Tm + 2, even if (Tm + 2 - Tm) is 2 x tCK.AVG + tERR.2PER(Min). 9) When the device is operated with input clock jitter, this parameter needs to be derated by the actual tERR(6-10per) of the input clock. (output deratings are relative to the SDRAM input clock.) For example, if the measured jitter into a DDR2-667 SDRAM has tERR(6-10PER).MIN = - 272 ps and tERR(6- 10PER).MAX = + 293 ps, then tDQSCK.MIN(DERATED) = tDQSCK.MIN - tERR(6-10PER).MAX = - 400 ps - 293 ps = - 693 ps and tDQSCK.MAX(DERATED) = tDQSCK.MAX - tERR(6-10PER).MIN = 400 ps + 272 ps = + 672 ps. Similarly, tLZ.DQ for DDR2-667 derates to tLZ.DQ.MIN(DERATED) = - 900 ps - 293 ps = - 1193 ps and tLZ.DQ.MAX(DERATED) = 450 ps + 272 ps = + 722 ps. (Caution on the MIN/MAX usage!) 10) Input clock jitter spec parameter. These parameters are referred to as 'input clock jitter spec parameters' and these parameters apply to DDR2-667 and DDR2-800 only. The jitter specified is a random jitter meeting a Gaussian distribution. 11) These parameters are specified per their average values, however it is understood that the relationship between the average timing and the absolute instantaneous timing holds all the times (min. and max of SPEC values are to be used for calculations). 12) Input waveform timing tDS with differential data strobe enabled MR[bit10] = 0, is referenced from the input signal crossing at the VIH.AC level to the differential data strobe crosspoint for a rising signal, and from the input signal crossing at the VIL.AC level to the differential data strobe crosspoint for a falling signal applied to the device under test. DQS, DQS signals must be monotonic between Vil(DC)MAX and Vih(DC)MIN. See Figure 9. 13) If tDS or tDH is violated, data corruption may occur and the data must be re-written with valid data before a valid READ can be executed. 14) These parameters are measured from a data signal ((L/U)DM, (L/U)DQ0, (L/U)DQ1, etc.) transition edge to its respective data strobe signal ((L/U/R)DQS / DQS) crossing. 15) Input waveform timing tDH with differential data strobe enabled MR[bit10] = 0, is referenced from the differential data strobe crosspoint to the input signal crossing at the VIH.DC level for a falling signal and from the differential data strobe crosspoint to the input signal crossing at the VIL.DC level for a rising signal applied to the device under test. DQS, DQS signals must be monotonic between VIL.DC.MAX and VIH.DC.MIN. See Figure 9. 16) tHZ and tLZ transitions occur in the same access time as valid data transitions. These parameters are referenced to a specific voltage level which specifies when the device output is no longer driving (tHZ), or begins driving (tLZ) . 17) tDQSQ: Consists of data pin skew and output pattern effects, and p-channel to n-channel variation of the output drivers as well as output slew rate mismatch between DQS / DQS and associated DQ in any given cycle.
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18) tHP is the minimum of the absolute half period of the actual input clock. tHP is an input parameter but not an input specification parameter. It is used in conjunction with tQHS to derive the DRAM output timing tQH. The value to be used for tQH calculation is determined by the following equation; tHP = MIN (tCH.ABS, tCL.ABS), where, tCH.ABS is the minimum of the actual instantaneous clock high time; tCL.ABS is the minimum of the actual instantaneous clock low time. 19) tQHS accounts for: 1) The pulse duration distortion of on-chip clock circuits, which represents how well the actual tHP at the input is transferred to the output; and 2) The worst case push-out of DQS on one transition followed by the worst case pull-in of DQ on the next transition, both of which are independent of each other, due to data pin skew, output pattern effects, and pchannel to n-channel variation of the output drivers. 20) tQH = tHP - tQHS, where: tHP is the minimum of the absolute half period of the actual input clock; and tQHS is the specification value under the max column. {The less half-pulse width distortion present, the larger the tQH value is; and the larger the valid data eye will be.} Examples: 1) If the system provides tHP of 1315 ps into a DDR2-667 SDRAM, the DRAM provides tQH of 975 ps minimum. 2) If the system provides tHP of 1420 ps into a DDR2-667 SDRAM, the DRAM provides tQH of 1080 ps minimum. 21) These parameters are measured from a data strobe signal ((L/U/R)DQS / DQS) crossing to its respective clock signal (CK / CK) crossing. The spec values are not affected by the amount of clock jitter applied (i.e. tJIT.PER, tJIT.CC, etc.), as these are relative to the clock signal crossing. That is, these parameters should be met whether clock jitter is present or not. 22) Input waveform timing is referenced from the input signal crossing at the VIH.AC level for a rising signal and VIL.AC for a falling signal applied to the device under test. See Figure 10. 23) These parameters are measured from a command/address signal (CKE, CS, RAS, CAS, WE, ODT, BA0, A0, A1, etc.) transition edge to its respective clock signal (CK / CK) crossing. The spec values are not affected by the amount of clock jitter applied (i.e. tJIT.PER, tJIT.CC, etc.), as the setup and hold are relative to the clock signal crossing that latches the command/address. That is, these parameters should be met whether clock jitter is present or not. 24) Input waveform timing is referenced from the input signal crossing at the VIL.DC level for a rising signal and VIH.DC for a falling signal applied to the device under test. See Figure 10. 25) tRPST end point and tRPRE begin point are not referenced to a specific voltage level but specify when the device output is no longer driving (tRPST), or begins driving (tRPRE). Figure 8 shows a method to calculate these points when the device is no longer driving (tRPST), or begins driving (tRPRE) by measuring the signal at two different voltages. The actual voltage measurement points are not critical as long as the calculation is consistent. 26) When the device is operated with input clock jitter, this parameter needs to be derated by the actual tJIT.PER of the input clock. (output deratings are relative to the SDRAM input clock.) For example, if the measured jitter into a DDR2-667 SDRAM has tJIT.PER.MIN = - 72 ps and tJIT.PER.MAX = + 93 ps, then tRPRE.MIN(DERATED) = tRPRE.MIN + tJIT.PER.MIN = 0.9 x tCK.AVG - 72 ps = + 2178 ps and tRPRE.MAX(DERATED) = tRPRE.MAX + tJIT.PER.MAX = 1.1 x tCK.AVG + 93 ps = + 2843 ps. (Caution on the MIN/MAX usage!). 27) When the device is operated with input clock jitter, this parameter needs to be derated by the actual tJIT.DUTY of the input clock. (output deratings are relative to the SDRAM input clock.) For example, if the measured jitter into a DDR2-667 SDRAM has tJIT.DUTY.MIN = - 72 ps and tJIT.DUTY.MAX = + 93 ps, then tRPST.MIN(DERATED) = tRPST.MIN + tJIT.DUTY.MIN = 0.4 x tCK.AVG - 72 ps = + 928 ps and tRPST.MAX(DERATED) = tRPST.MAX + tJIT.DUTY.MAX = 0.6 x tCK.AVG + 93 ps = + 1592 ps. (Caution on the MIN/MAX usage!). 28) For these parameters, the DDR2 SDRAM device is characterized and verified to support tnPARAM = RU{tPARAM / tCK.AVG}, which is in clock cycles, assuming all input clock jitter specifications are satisfied. For example, the device will support tnRP = RU{tRP / tCK.AVG}, which is in clock cycles, if all input clock jitter specifications are met. This means: For DDR2-667 5-5-5, of which tRP = 15 ns, the device will support tnRP = RU{tRP / tCK.AVG} = 5, i.e. as long as the input clock jitter specifications are met, Precharge command at Tm and Active command at Tm + 5 is valid even if (Tm + 5 - Tm) is less than 15 ns due to input clock jitter. 29) DAL = WR + RU{tRP(ns) / tCK(ns)}, where RU stands for round up. WR refers to the tWR parameter stored in the MRS. For tRP, if the result of the division is not already an integer, round up to the next highest integer. tCK refers to the application clock period. Example: For DDR2-533 at tCK = 3.75 ns with tWR programmed to 4 clocks. tDAL = 4 + (15 ns / 3.75 ns) clocks = 4 + (4) clocks = 8 clocks. 30) tDAL.nCK = WR [nCK] + tnRP.nCK = WR + RU{tRP [ps] / tCK.AVG[ps] }, where WR is the value programmed in the EMR. 31) tWTR is at lease two clocks (2 x tCK) independent of operation frequency. 32) tCKE.MIN of 3 clocks means CKE must be registered on three consecutive positive clock edges. CKE must remain at the valid input level the entire time it takes to achieve the 3 clocks of registration. Thus, after any CKE transition, CKE may not transition from its valid level during the time period of tIS + 2 x tCK + tIH. 33) ODT turn on time min is when the device leaves high impedance and ODT resistance begins to turn on. ODT turn on time max is when the ODT resistance is fully on. Both are measured from tAOND. 34) ODT turn off time min is when the device starts to turn off ODT resistance. ODT turn off time max is when the bus is in high impedance. Both are measured from tAOFD. 35) When the device is operated with input clock jitter, this parameter needs to be derated by {-tJIT.DUTY.MAX - tERR(6-10PER).MAX} and {-tJIT.DUTY.MIN - tERR(6-10PER).MIN } of the actual input clock. (output deratings are relative to the SDRAM input clock.) For example, if the measured jitter into a DDR2-667 SDRAM has tERR(6-10PER).MIN = - 272 ps, tERR(6- 10PER).MAX = + 293 ps, tJIT.DUTY.MIN = - 106 ps and tJIT.DUTY.MAX = + 94 ps, then tAOF.MIN(DERATED) = tAOF.MIN + {- tJIT.DUTY.MAX - tERR(6-10PER).MAX} = - 450 ps + {- 94 ps - 293 ps} = - 837 ps and tAOF.MAX(DERATED) = tAOF.MAX + {- tJIT.DUTY.MIN - tERR(6-10PER).MIN} = 1050 ps + {106 ps + 272 ps} = + 1428 ps. (Caution on the MIN/MAX usage!)
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HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
FIGURE 8
Method for calculating transitions and endpoint
VOH - x mV VOH - 2x mV
VTT + 2x mV VTT + x mV
tHZ
tRPST end point
VOL + 2x mV VOL + x mV
VTT - x mV VTT - 2x mV
tLZ
tRPRE begin point
T1 T2
T1 T2
tHZ,tRPST end point = 2*T1-T2
tLZ,tRPRE begin point = 2*T1-T2
FIGURE 9
Differential input waveform timing - tDS and tDS
DQS DQS
tDS
tDH
tDS
tDH
VDDQ VIH(ac) min VIH(dc) min
VREF(dc)
VIL(dc) max VIL(ac) max VSS
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FIGURE 10
Differential input waveform timing - tlS and tlH
CK CK
tIS
tIH
tIS
tIH
VDDQ VIH(ac) min VIH(dc) min VREF(dc) VIL(dc) max VIL(ac) max VSS
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TABLE 44
Timing Parameter by Speed Grade - DDR2-533
Parameter Symbol DDR2-533 Min. DQ output access time from CK / CK CAS A to CAS B command period CK, CK high-level width CKE minimum high and low pulse width CK, CK low-level width Auto-Precharge write recovery + precharge time Minimum time clocks remain ON after CKE asynchronously drops LOW DQ and DM input hold time (differential data strobe) Max. +500 -- 0.55 -- 0.55 -- -- -- -- -- +450 -- 300 + 0.25 -- -- -- -- -- -- ps Unit Note1)2)3)4)5)
6)7)
tAC tCCD tCH tCKE tCL tDAL tDELAY tDH(base)
-500 2 0.45 3 0.45 WR + tRP
tCK tCK tCK tCK tCK
ns ps ps
8)18)
tIS + tCK + tIH
225 -25 0.35 -450 0.35 -- - 0.25 100 -25 0.2 0.2 37.5 50 MIN. (tCL, tCH) -- 375 0.6 250 2 x tAC.MIN
9)
10)
DQ and DM input hold time (single ended data tDH1(base) strobe) DQ and DM input pulse width (each input) DQS output access time from CK / CK DQS input low (high) pulse width (write cycle) DQS-DQ skew (for DQS & associated DQ signals) Write command to 1st DQS latching transition DQ and DM input setup time (differential data strobe)
11)
tDIPW tDQSCK tDQSL,H tDQSQ tDQSS tDS(base)
tCK
ps
tCK
ps
11)
tCK
ps ps
11)
DQ and DM input setup time (single ended data tDS1(base) strobe) DQS falling edge hold time from CK (write cycle) Four Activate Window period Clock half period Data-out high-impedance time from CK / CK Address and control input hold time Address and control input pulse width (each input) Address and control input setup time DQ low-impedance time from CK / CK DQS low-impedance from CK / CK Mode register set command cycle time OCD drive mode output delay Data output hold time from DQS
11)
tDSH
tCK tCK
ns ns ps ps
13) 12)
DQS falling edge to CK setup time (write cycle) tDSS
tFAW tHP tHZ tIH(base) tIPW tIS(base) tLZ(DQ) tLZ(DQS) tMRD tOIT tQH
tAC.MAX
-- -- --
13) 11)
tCK
ps ps ps
11) 14) 14)
tAC.MIN
2 0
tAC.MAX tAC.MAX
-- 12 --
tCK
ns
tHP -tQHS
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HYB18TC512[16/80]0BF 512-Mbit Double-Data-Rate-Two SDRAM
Parameter
Symbol
DDR2-533 Min. Max. 400 7.8 3.9 -- -- -- 1.1 0.60 -- -- -- -- 0.60 -- -- -- -- -- -- -- --
Unit
Note1)2)3)4)5)
6)7)
Data hold skew factor Average periodic refresh Interval Auto-Refresh to Active/Auto-Refresh command period Precharge-All (4 banks) command period Precharge-All (8 banks) command period Read preamble Read postamble Active bank A to Active bank B command period Internal Read to Precharge command delay Write preamble Write postamble Write recovery time for write without AutoPrecharge Write recovery time for write with AutoPrecharge Internal Write to Read command delay Exit power down to any valid command (other than NOP or Deselect) Exit active power-down mode to Read command (slow exit, lower power) Exit precharge power-down to any valid command (other than NOP or Deselect) Exit Self-Refresh to non-Read command Exit Self-Refresh to Read command
tQHS tREFI tRFC tRP tRP tRPRE tRPST tRRD tRTP tWPRE tWPST tWR
WR
-- -- -- 105
ps s s ns ns ns
14)15) 16)18) 17)
tRP + 1tCK
15 + 1tCK 0.9 0.40 7.5 10 7.5 0.25 x tCK 0.40 15
tCK tCK
ns ns ns
14) 14) 14)18) 16)20)
tCK tCK
ns
19)
tWR/tCK
7.5 2 6 - AL 2
tCK
ns
20)
tWTR tXARD tXARDS tXP tXSNR tXSRD
21) 22)
tCK tCK tCK
ns
22)
tRFC +10
200
tCK
1) For details and notes see the relevant Qimonda component data sheet 2) VDDQ = 1.8 V 0.1 V; VDD = 1.8 V 0.1 V. See notes 5)6)7)8) 3) Timing that is not specified is illegal and after such an event, in order to guarantee proper operation, the DRAM must be powered down and then restarted through the specified initialization sequence before normal operation can continue. 4) Timings are guaranteed with CK/CK differential Slew Rate of 2.0 V/ns. For DQS signals timings are guaranteed with a differential Slew Rate of 2.0 V/ns in differential strobe mode and a Slew Rate of 1 V/ns in single ended mode. 5) The CK / CK input reference level (for timing reference to CK / CK) is the point at which CK and CK cross. The DQS / DQS, RDQS/ RDQS, input reference level is the crosspoint when in differential strobe mode. 6) Inputs are not recognized as valid until VREF stabilizes. During the period before VREF stabilizes, CKE = 0.2 x VDDQ is recognized as low. 7) The output timing reference voltage level is VTT. 8) For each of the terms, if not already an integer, round to the next highest integer. tCK refers to the application clock period. WR refers to the WR parameter stored in the MR. 9) The clock frequency is allowed to change during self-refresh mode or precharge power-down mode. 10) For timing definition, refer to the Component data sheet. 11) Consists of data pin skew and output pattern effects, and p-channel to n-channel variation of the output drivers as well as output Slew Rate mis-match between DQS / DQS and associated DQ in any given cycle. 12) MIN (tCL, tCH) refers to the smaller of the actual clock low time and the actual clock high time as provided to the device (i.e. this value can be greater than the minimum specification limits for tCL and tCH).
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13) The tHZ, tRPST and tLZ, tRPRE parameters are referenced to a specific voltage level, which specify when the device output is no longer driving (tHZ, tRPST), or begins driving (tLZ, tRPRE). tHZ and tLZ transitions occur in the same access time windows as valid data transitions.These parameters are verified by design and characterization, but not subject to production test. 14) The Auto-Refresh command interval has be reduced to 3.9 s when operating the DDR2 DRAM in a temperature range between 85 C and 95 C. 15) 0 C TCASE 85 C 16) 85 C < TCASE 95 C 17) A maximum of eight Auto-Refresh commands can be posted to any given DDR2 SDRAM device. 18) The tRRD timing parameter depends on the page size of the DRAM organization. See. 19) The maximum limit for the tWPST parameter is not a device limit. The device operates with a greater value for this parameter, but system performance (bus turnaround) degrades accordingly. 20) WR must be programmed to fulfill the minimum requirement for the tWR timing parameter, where WRMIN[cycles] = tWR(ns)/tCK(ns) rounded up to the next integer value. tDAL = WR + (tRP/tCK). For each of the terms, if not already an integer, round to the next highest integer. tCK refers to the application clock period. WR refers to the WR parameter stored in the MRS. 21) Minimum tWTR is two clocks when operating the DDR2-SDRAM at frequencies 200 z. 22) User can choose two different active power-down modes for additional power saving via MRS address bit A12. In "standard active powerdown mode" (MR, A12 = "0") a fast power-down exit timing tXARD can be used. In "low active power-down mode" (MR, A12 ="1") a slow power-down exit timing tXARDS has to be satisfied.
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TABLE 45
Timing Parameter by Speed Grade - DDR2-400
Parameter Symbol DDR2-400 Min. DQ output access time from CK / CK CAS A to CAS B command period CK, CK high-level width CKE minimum high and low pulse width CK, CK low-level width Auto-Precharge write recovery + precharge time Minimum time clocks remain ON after CKE asynchronously drops LOW DQ and DM input hold time (differential data strobe) Max. +600 -- 0.55 -- 0.55 -- -- -- -- -- +500 -- 350 + 0.25 -- -- -- -- -- -- ps Unit Note1)2)3)4)5)
6)7)
tAC tCCD tCH tCKE tCL tDAL tDELAY tDH(base)
-600 2 0.45 3 0.45 WR + tRP
tCK tCK tCK tCK tCK
ns ps ps
8)22)
tIS + tCK + tIH
275 -25 0.35 -500 0.35 -- - 0.25 150 -25 0.2 0.2 37.5 50 MIN. (tCL, tCH) -- 475 0.6 350 2 x tAC.MIN
9)
10)
DQ and DM input hold time (single ended data tDH1(base) strobe) DQ and DM input pulse width (each input) DQS output access time from CK / CK DQS input low (high) pulse width (write cycle) DQS-DQ skew (for DQS & associated DQ signals) Write command to 1st DQS latching transition DQ and DM input setup time (differential data strobe) DQ and DM input setup time (single ended data strobe) DQS falling edge hold time from CK (write cycle) Four Activate Window period Clock half period Data-out high-impedance time from CK / CK Address and control input hold time Address and control input pulse width (each input) Address and control input setup time DQ low-impedance time from CK / CK DQS low-impedance from CK / CK Mode register set command cycle time OCD drive mode output delay Data output hold time from DQS
11)
tDIPW tDQSCK tDQSL,H tDQSQ tDQSS tDS(base) tDS1(base) tDSH
tCK
ps
tCK
ps
11)
tCK
ps ps
11)
11)
tCK tCK
ns ns ps ps
13) 12)
DQS falling edge to CK setup time (write cycle) tDSS
tFAW tHP tHZ tIH(base) tIPW tIS(base) tLZ(DQ) tLZ(DQS) tMRD tOIT tQH
tAC.MAX
-- -- --
13) 11)
tCK
ps ps ps
11) 14) 14)
tAC.MIN
2 0
tAC.MAX tAC.MAX
-- 12 --
tCK
ns
tHP -tQHS
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Parameter
Symbol
DDR2-400 Min. Max. 450 7.8 3.9 -- -- -- 1.1 0.60 -- -- -- -- 0.60 -- -- -- -- -- -- -- --
Unit
Note1)2)3)4)5)
6)7)
Data hold skew factor Average periodic refresh Interval Auto-Refresh to Active/Auto-Refresh command period Precharge-All (4 banks) command period Precharge-All (8 banks) command period Read preamble Read postamble Active bank A to Active bank B command period Internal Read to Precharge command delay Write preamble Write postamble Write recovery time for write without AutoPrecharge Write recovery time for write with AutoPrecharge Internal Write to Read command delay Exit power down to any valid command (other than NOP or Deselect) Exit active power-down mode to Read command (slow exit, lower power) Exit precharge power-down to any valid command (other than NOP or Deselect) Exit Self-Refresh to non-Read command Exit Self-Refresh to Read command
tQHS tREFI
-- -- -- 105
ps s s ns ns ns
14)15) 16)18) 17)
tRP tRP tRPRE tRPST tRRD tRTP tWPRE tWPST tWR
WR
tRP + 1tCK
15 + 1tCK 0.9 0.40 7.5 10 7.5 0.25 x tCK 0.40 15
tCK tCK
ns ns ns
14) 14) 14)18) 16)20)
tCK tCK
ns
19)
tWR/tCK
10 2 6 - AL 2
tCK
ns
20)
tWTR tXARD tXARDS tXP tXSNR tXSRD
21) 22)
tCK tCK tCK
ns
22)
tRFC +10
200
tCK
1) For details and notes see the relevant Qimonda component data sheet 2) VDDQ = 1.8 V 0.1 V; VDD = 1.8 V 0.1 V. See notes 5)6)7)8) 3) Timing that is not specified is illegal and after such an event, in order to guarantee proper operation, the DRAM must be powered down and then restarted through the specified initialization sequence before normal operation can continue. 4) Timings are guaranteed with CK/CK differential Slew Rate of 2.0 V/ns. For DQS signals timings are guaranteed with a differential Slew Rate of 2.0 V/ns in differential strobe mode and a Slew Rate of 1 V/ns in single ended mode. 5) The CK / CK input reference level (for timing reference to CK / CK) is the point at which CK and CK cross. The DQS / DQS, RDQS/ RDQS, input reference level is the crosspoint when in differential strobe mode. 6) Inputs are not recognized as valid until VREF stabilizes. During the period before VREF stabilizes, CKE = 0.2 x VDDQ is recognized as low. 7) The output timing reference voltage level is VTT. 8) For each of the terms, if not already an integer, round to the next highest integer. tCK refers to the application clock period. WR refers to the WR parameter stored in the MR. 9) The clock frequency is allowed to change during self-refresh mode or precharge power-down mode. 10) For timing definition, refer to the Component data sheet. 11) Consists of data pin skew and output pattern effects, and p-channel to n-channel variation of the output drivers as well as output Slew Rate mis-match between DQS / DQS and associated DQ in any given cycle. 12) MIN (tCL, tCH) refers to the smaller of the actual clock low time and the actual clock high time as provided to the device (i.e. this value can be greater than the minimum specification limits for tCL and tCH).
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13) The tHZ, tRPST and tLZ, tRPRE parameters are referenced to a specific voltage level, which specify when the device output is no longer driving (tHZ, tRPST), or begins driving (tLZ, tRPRE). tHZ and tLZ transitions occur in the same access time windows as valid data transitions.These parameters are verified by design and characterization, but not subject to production test. 14) The Auto-Refresh command interval has be reduced to 3.9 s when operating the DDR2 DRAM in a temperature range between 85 C and 95 C. 15) 0 C TCASE 85 C 16) 85 C < TCASE 95 C 17) A maximum of eight Auto-Refresh commands can be posted to any given DDR2 SDRAM device. 18) The tRRD timing parameter depends on the page size of the DRAM organization. See . 19) The maximum limit for the tWPST parameter is not a device limit. The device operates with a greater value for this parameter, but system performance (bus turnaround) degrades accordingly. 20) WR must be programmed to fulfill the minimum requirement for the tWR timing parameter, where WRMIN[cycles] = tWR(ns)/tCK(ns) rounded up to the next integer value. tDAL = WR + (tRP/tCK). For each of the terms, if not already an integer, round to the next highest integer. tCK refers to the application clock period. WR refers to the WR parameter stored in the MRS. 21) Minimum tWTR is two clocks when operating the DDR2-SDRAM at frequencies 200 z. 22) User can choose two different active power-down modes for additional power saving via MRS address bit A12. In "standard active powerdown mode" (MR, A12 = "0") a fast power-down exit timing tXARD can be used. In "low active power-down mode" (MR, A12 ="1") a slow power-down exit timing tXARDS has to be satisfied.
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7.3
ODT AC Electrical Characteristics
TABLE 46
ODT AC Characteristics and Operating Conditions for DDR2-667 & DDR2-800
This chapter contains the ODT AC electrical characteristic tables.
Symbol
Parameter / Condition
Values Min. Max. 2
Unit
Note
tAOND tAON tAONPD tAOFD tAOF tAOFPD tANPD tAXPD
ODT turn-on delay ODT turn-on ODT turn-on (Power-Down Modes) ODT turn-off delay ODT turn-off ODT turn-off (Power-Down Modes) ODT to Power Down Mode Entry Latency ODT Power Down Exit Latency
2
tCK
ns ns
1)
tAC.MIN tAC.MIN + 2 ns
2.5
tAC.MAX + 0.7 ns 2 tCK + tAC.MAX + 1 ns
2.5
tCK
ns ns
2)
tAC.MIN tAC.MIN + 2 ns
3 8
tAC.MAX + 0.6 ns 2.5 tCK + tAC.MAX + 1 ns
-- --
tCK tCK
1) ODT turn on time min. is when the device leaves high impedance and ODT resistance begins to turn on. ODT turn on time max is when the ODT resistance is fully on. Both are measure from tAOND. 2) ODT turn off time min. is when the device starts to turn off ODT resistance. ODT turn off time max is when the bus is in high impedance. Both are measured from tAOFD.
TABLE 47
ODT AC Characteristics and Operating Conditions for DDR2-533 & DDR2-400
Symbol Parameter / Condition Values Min. Max. 2 Unit Note
tAOND tAON tAONPD tAOFD tAOF tAOFPD tANPD tAXPD
ODT turn-on delay ODT turn-on ODT turn-on (Power-Down Modes) ODT turn-off delay ODT turn-off ODT turn-off (Power-Down Modes) ODT to Power Down Mode Entry Latency ODT Power Down Exit Latency
2
tCK
ns ns
1)
tAC.MIN tAC.MIN + 2 ns
2.5
tAC.MAX + 1 ns 2 tCK + tAC.MAX + 1 ns
2.5
tCK
ns ns
2)
tAC.MIN tAC.MIN + 2 ns
3 8
tAC.MAX + 0.6 ns 2.5 tCK + tAC.MAX + 1 ns
-- --
tCK tCK
1) ODT turn on time min. is when the device leaves high impedance and ODT resistance begins to turn on. ODT turn on time max is when the ODT resistance is fully on. Both are measure from tAOND. 2) ODT turn off time min. is when the device starts to turn off ODT resistance. ODT turn off time max is when the bus is in high impedance. Both are measured from tAOFD.
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8
Package Dimensions
FIGURE 11
Package Outline PG-TFBGA-60
This chapter contains the Package Dimension tables.
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FIGURE 12
Package Outline P-TFBGA-84
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9
Product Nomenclature
TABLE 48
Nomenclature Fields and Examples
For reference the Qimonda SDRAM component nomenclature is enclosed in this chapter.
Example for
Field Number 1 2 18 3 TC 4 512 5 16 6 7 0 8 A 9 C 10 -3.7 11
DDR2 DRAM
HYB
TABLE 49
DDR2 Memory Components
Field 1 2 3 4 Description QIMONDA Component Prefix Interface Voltage [V] DRAM Technology, consumer variant Component Density [Mbit] Values HYB 18 TC 256 512 1G 5+6 Number of I/Os 40 80 16 7 8 9 10 Product Variations Die Revision Package, Lead-Free Status Speed Grade 0 .. 9 A B C F -2.5 -3 -3S -3.7 -5 11 N/A for Components Coding Constant SSTL_18 DDR2 256 M 512 M 1 Gb x4 x8 x16 look up table First Second FBGA, lead-containing FBGA, lead-free DDR2-800 6-6-6 DDR2-667 4-4-4 DDR2-667 5-5-5 DDR2-533 4-4-4 DDR2-400 3-3-3
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List of Figures
Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Pin Configuration for x4 components, PG-TFBGA-60 (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pin Configuration for x8 components, PG-TFBGA-60-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pin Configuration for x16 components, PG-TFBGA-84-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Single-ended AC Input Test Conditions Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Differential DC and AC Input and Output Logic Levels Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AC Overshoot / Undershoot Diagram for Address and Control Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AC Overshoot / Undershoot Diagram for Clock, Data, Strobe and Mask Pins . . . . . . . . . . . . . . . . . . . . . . . . . Method for calculating transitions and endpoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Differential input waveform timing - tDS and tDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Differential input waveform timing - tlS and tlH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package Outline PG-TFBGA-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package Outline P-TFBGA-84 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 13 14 28 29 31 32 46 46 47 55 56
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List of Tables
Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 Table 13 Table 14 Table 15 Table 16 Table 17 Table 18 Table 19 Table 20 Table 21 Table 22 Table 23 Table 24 Table 25 Table 26 Table 27 Table 28 Table 29 Table 30 Table 31 Table 32 Table 33 Table 34 Table 35 Table 36 Table 37 Table 38 Table 39 Table 40 Table 41 Table 42 Table 43 Table 44 Table 45 Table 46 Table 47 Table 48 Table 49 Performance tables for -2.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Performance table for -3(S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Performance table for -3.7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Performance table for -5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Ordering Information for RoHS compliant products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Pin Configuration of DDR2 SDRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Abbreviations for Pin Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Abbreviations for Buffer Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 DDR2 Addressing for x8 Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 DDR2 Addressing for x16 Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Mode Register Definition (BA[2:0] = 000B) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Extended Mode Register Definition (BA[2:0] = 001B). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 EMRS(2) Programming Extended Mode register Definition (BA[2:0]=010B) . . . . . . . . . . . . . . . . . . . . . . . . . . 20 EMR(3) Programming Extended Mode Register Definition (BA[2:0]=010B) . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 ODT Truth Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Burst Length and Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Clock Enable (CKE) Truth Table for Synchronous Transitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Command Truth Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Data Mask (DM) Truth Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 DRAM Component Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Recommended DC Operating Conditions (SSTL_18) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 ODT DC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Input and Output Leakage Currents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 DC & AC Logic Input Levels for DDR2-667 and DDR2-800 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 DC & AC Logic Input Levels for DDR2-533 and DDR2-400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Single-ended AC Input Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Differential DC and AC Input and Output Logic Levels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 SSTL_18 Output DC Current Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 SSTL_18 Output AC Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 OCD Default Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Input / Output Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 AC Overshoot / Undershoot Specification for Address and Control Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 AC Overshoot / Undershoot Specification for Clock, Data, Strobe and Mask Pins . . . . . . . . . . . . . . . . . . . . . 32 IDD Measurement Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Definition for IDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 IDDSpecification for HYB18T512xxxBF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Speed Grade Definition Speed Bins for DDR2-800E. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Speed Grade Definition Speed Bins for DDR2-667 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Speed Grade Definition Speed Bins for DDR2-533C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Speed Grade Definition Speed Bins for DDR2-400B. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Timing Parameter by Speed Grade - DDR2-800 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Timing Parameter by Speed Grade - DDR2-667 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Timing Parameter by Speed Grade - DDR2-533 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Timing Parameter by Speed Grade - DDR2-400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 ODT AC Characteristics and Operating Conditions for DDR2-667 & DDR2-800 . . . . . . . . . . . . . . . . . . . . . . . 54 ODT AC Characteristics and Operating Conditions for DDR2-533 & DDR2-400 . . . . . . . . . . . . . . . . . . . . . . . 54 Nomenclature Fields and Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 DDR2 Memory Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
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Table of Contents
1 1.1 1.2 2 2.1 2.2 3 4 5 5.1 5.2 5.3 5.4 5.5 5.6 6 7 7.1 7.2 7.3 8 9 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 CPin Configuration for TFBGA-60 TFBGA-84 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 512 Mbit DDR2 Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Truth Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DC & AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output Buffer Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input / Output Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Overshoot and Undershoot Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Timing Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Speed Grade Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AC Timing Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ODT AC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 25 26 27 29 30 31 36 36 39 54
Specifications and Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Package Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Product Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
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Edition 2006-09 Published by Qimonda AG Gustav-Heinemann-Ring 212 D-81739 Munchen, Germany (c) Qimonda AG 2006. All Rights Reserved. Legal Disclaimer The information given in this Internet Data Sheet shall in no event be regarded as a guarantee of conditions or characteristics ("Beschaffenheitsgarantie"). With respect to any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, Qimonda hereby disclaims any and all warranties and liabilities of any kind, including without limitation warranties of non-infringement of intellectual property rights of any third party. Information For further information on technology, delivery terms and conditions and prices please contact your nearest Qimonda Office. Warnings Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Qimonda Office. Qimonda Components may only be used in life-support devices or systems with the express written approval of Qimonda, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered. www.qimonda.com

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