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.EATURES
128K x 8 HIGH-SPEED CMOS STATIC RAM
High-speed access time: 35, 45, 55, 70 ns Low active power: 450 mW (typical) Low standby power: 500 W (typical) CMOS standby Output Enable (OE) and two Chip Enable (CE1 and CE2) inputs for ease in applications .ully static operation: no clock or refresh required TTL compatible inputs and outputs Single 5V (10%) power supply
DESCRIPTION The 1+51 IC62C1024 is a low power,131,072-word by 8-bit CMOS static RAM. It is fabricated using 1+51's highperformance CMOS technology. This highly reliable process coupled with innovative circuit design techniques, yields higher performance and low power consumption devices.
When CE1 is HIGH or CE2 is LOW (deselected), the device assumes a standby mode at which the power dissipation can be reduced by using CMOS input levels. Easy memory expansion is provided by using two Chip Enable inputs, CE1 and CE2. The active LOW Write Enable (WE) controls both writing and reading of the memory. The IC62C1024 is available in 32-pin 600mil DIP, 450mil SOP and 8*20mm TSOP-1 packages.
.UNCTIONAL BLOCK DIAGRAM
A0-A16
DECODER
512 x 2048 MEMORY ARRAY
VCC GND I/O DATA CIRCUIT
I/O0-I/O7
COLUMN I/O
CE1 CE2 OE WE CONTROL CIRCUIT
ICSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the best possible product. We assume no responsibility for any errors which may appear in this publication. (c) Copyright 2000, Integrated Circuit Solution Inc.
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PIN CON.IGURATION
32-Pin SOP and DIP
NC A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VCC A15 CE2 WE A13 A8 A9 A11 OE A10 CE1 I/O7 I/O6 I/O5 I/O4 I/O3
PIN CON.IGURATION
32-Pin 8x20mm TSOP-1
A11 A9 A8 A13 WE CE2 A15 VCC NC A16 A14 A12 A7 A6 A5 A4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
OE A10 CE1 I/O7 I/O6 I/O5 I/O4 I/O3 GND I/O2 I/O1 I/O0 A0 A1 A2 A3
PIN DESCRIPTIONS
A0-A16 CE1 CE2 OE WE I/O0-I/O7 Vcc GND Address Inputs Chip Enable 1 Input Chip Enable 2 Input Output Enable Input Write Enable Input Input/Output Power Ground
OPERATING RANGE
Range Commercial Industrial Ambient Temperature 0C to +70C 40C to +85C VCC 5V 10% 5V 10%
TRUTH TABLE
Mode Not Selected (Power-down) Output Disabled Read Write WE X X H H L CE1 H X L L L CE2 X L H H H OE X X H L X I/O Operation High-Z High-Z High-Z DOUT DIN Vcc Current ISB, ISB ISB, ISB ICC ICC ICC
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ABSOLUTE MAXIMUM RATINGS(1)
Symbol VTERM TBIAS TSTG PT IOUT Parameter Terminal Voltage with Respect to GND Temperature Under Bias Storage Temperature Power Dissipation DC Output Current (LOW) Value 0.5 to +7.0 10 to +85 65 to +150 1.5 20 Unit V C C W mA
Notes: 1. Stress greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
CAPACITANCE(1,2)
Symbol CIN COUT Parameter Input Capacitance Output Capacitance Conditions VIN = 0V VOUT = 0V Max. 6 8 Unit p. p.
Notes: 1. Tested initially and after any design or process changes that may affect these parameters. 2. Test conditions: TA = 25C, f = 1 MHz, Vcc = 5.0V.
DC ELECTRICAL CHARACTERISTICS (Over Operating Range)
Symbol VOH VOL VIH VIL ILI ILO Parameter Output HIGH Voltage Output LOW Voltage Input HIGH Voltage Input LOW Voltage Input Leakage Output Leakage Test Conditions VCC = Min., IOH = 1.0 mA VCC = Min., IOL = 2.1 mA Min. 2.4 2.2 0.3 5 10 5 10 Max. 0.4 VCC + 0.5 0.8 5 10 5 10 Unit V V V V A A
GND VIN VCC GND VOUT VCC
Com. Ind. Com. Ind.
Notes: 1. VIL = 3.0V for pulse width less than 10 ns.
POWER SUPPLY CHARACTERISTICS(1) (Over Operating Range)
Symbol Parameter ICC ISB Vcc Dynamic Operating Supply Current TTL Standby Current (TTL Inputs) CMOS Standby Current (CMOS Inputs) Test Conditions VCC = Max., CE = VIL IOUT = 0 mA, f = fMAX Com. Ind. -35 ns Min. Max. 150 160 40 60 30 40 -45 ns Min. Max. 135 145 40 60 30 40 -55 ns Min. Max. 120 130 40 60 30 40 -70 ns Min. Max. 90 100 40 60 30 40 Unit mA mA
VCC = Max., Com. VIN = VIH or VIL, CE1 VIH, Ind. or CE2 VIL, f = 0 VCC = Max., Com. CE1 VCC 0.2V, Ind. CE2 0.2V, VIN > VCC 0.2V, or VIN 0.2V, f = 0
ISB
mA
Notes: 1. At f = fMAX, address and data inputs are cycling at the maximum frequency, f = 0 means no input lines change.
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READ CYCLE SWITCHING CHARACTERISTICS(1) (Over Operating Range)
Symbol Parameter Read Cycle Time Address Access Time Output Hold Time CE1 Access Time CE2 Access Time OE Access Time Min. 35 3 0 0 3 3 0 -35 Max. 35 35 35 10 10 10 -45 Min. Max. 45 3 0 0 5 5 0 45 45 45 20 15 15 Min. 55 3 0 0 7 7 0 -55 Max. 55 55 55 25 20 20 Min. 70 3 0 0 10 10 0 -70 Max. 70 70 70 35 25 25 Unit ns ns ns ns ns ns ns ns ns ns ns
tRC tAA tOHA tACE tACE tDOE
tLZOE OE to Low-Z Output tHZOE OE to High-Z Output tLZCE tLZCE

CE1 to Low-Z Output CE2 to Low-Z Output
tHZCE CE1 or CE2 to High-Z Output
Notes: 1. Test conditions assume signal transition times of 5 ns or less, timing reference levels of 1.5V, input pulse levels of 0 to 3.0V and output loading specified in .igure 1a. 2. Tested with the load in .igure 1b. Transition is measured 500 mV from steady-state voltage. Not 100% tested.
AC TEST CONDITIONS
Parameter Input Pulse Level Input Rise and .all Times Input and Output Timing and Reference Level Output Load Unit 0V to 3.0V 5 ns 1.5V See .igures 1a and 1b
AC TEST LOADS
480 5V
5V 480
OUTPUT 100 pF Including jig and scope 255
OUTPUT 5 pF Including jig and scope 255
.igure 1a. 4
.igure 1b. Integrated Circuit Solution Inc.
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AC WAVE.ORMS READ CYCLE NO. 1(1,2)
t RC
ADDRESS
t AA t OHA
DOUT
PREVIOUS DATA VALID
t OHA
DATA VALID
READ CYCLE NO. 2(1,3)
t RC
ADDRESS
t AA
OE
t OHA
t DOE
CE
t HZOE
t LZOE t ACE t LZCE t HZCE
DATA VALID
DOUT
HIGH-Z
Notes: 1. WE is HIGH for a Read Cycle. 2. The device is continuously selected. OE, CE1 = VIL, CE2 = VIH. 3. Address is valid prior to or coincident with CE1 LOW and CE2 HIGH transitions.
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WRITE CYCLE SWITCHING CHARACTERISTICS(1,3) (Over Operating Range, Standard and Low
Power) Symbol Parameter Write Cycle Time CE1 to Write End CE2 to Write End Address Setup Time to Write End Address Hold from Write End Address Setup Time
"
Min. 35 25 25 25 0 0 25 20 0 3
-35
Max. 10
Min. 45 35 35 35 0 0 35 25 0 5
-45 Max. 15
Min. 55 50 50 45 0 0 40 25 0 5
-55
Max. 20
Min. 70 60 60 60 0 0 50 30 0 5
-70 Max. 25
Unit ns ns ns ns ns ns ns ns ns ns ns
tWC tSCE tSCE tAW tHA tSA tPWE tSD tHD tLZWE
WE Pulse Width Data Setup to Write End Data Hold from Write End WE HIGH to Low-Z Output
tHZWE WE LOW to High-Z Output
Notes: 1. Test conditions assume signal transition times of 5 ns or less, timing reference levels of 1.5V, input pulse levels of 0 to 3.0V and output loading specified in .igure 1a. 2. Tested with the load in .igure 1b. Transition is measured 500 mV from steady-state voltage. Not 100% tested. 3. The internal write time is defined by the overlap of CE1 LOW, CE2 HIGH and WE LOW. All signals must be in valid states to initiate a Write, but any one can go inactive to terminate the Write. The Data Input Setup and Hold timing are referenced to the rising or falling edge of the signal that terminates the Write. 4. Tested with OE HIGH.
AC WAVE.ORMS 9WRITE CYCLE NO. 1 (9- Controlled)(1,2)
t WC
ADDRESS
VALID ADDRESS
t SA
CE
t SCE
t HA
WE
t AW t PWE1 t PWE2 t HZWE t LZWE
HIGH-Z
DOUT
DATA UNDEFINED
t SD
DIN
t HD
DATAIN VALID
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WRITE CYCLE NO. 2 (+- CE2 Controlled)(1,2) +-, +-
t WC
ADDRESS
VALID ADDRESS
t HA
OE
CE
LOW
t AW t PWE1
WE
t SA
DOUT
DATA UNDEFINED
t HZWE
HIGH-Z
t LZWE
t SD
DIN
t HD
DATAIN VALID
Notes: 1. The internal write time is defined by the overlap of CE1 LOW, CE2 HIGH and WE LOW. All signals must be in valid states to initiate a Write, but any one can go inactive to terminate the Write. The Data Input Setup and Hold timing are referenced to the rising or falling edge of the signal that terminates the Write. 2. I/O will assume the High-Z state if OE = VIH.
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ORDERING IN.ORMATION Commercial Range: 0C to +70C
Speed (ns) 35 35 35 45 45 45 55 55 55 70 70 70 Order Part No. IC62C1024-35W IC62C1024-35Q IC62C1024-35T IC62C1024-45W IC62C1024-45Q IC62C1024-45T IC62C1024-55W IC62C1024-55Q IC62C1024-55T IC62C1024-70W IC62C1024-70Q IC62C1024-70T Package 600mil DIP 450mil SOP 8*20mm TSOP-1 600mil DIP 450mil SOP 8*20mm TSOP-1 600mil DIP 450mil SOP 8*20mm TSOP-1 6600mil DIP 450mil SOP 8*20mm TSOP-1
ORDERING IN.ORMATION Industrial Range: 40C to +85C
Speed (ns) 35 35 35 45 45 45 55 55 55 70 70 70 Order Part No. IC62C1024-35WI IC62C1024-35QI IC62C1024-35TI IC62C1024-45WI IC62C1024-45QI IC62C1024-45TI IC62C1024-55WI IC62C1024-55QI IC62C1024-55TI IC62C1024-70WI IC62C1024-70QI IC62C1024-70TI Package 600mil DIP 450mil SOP 8*20mm TSOP-1 600mil DIP 450mil SOP 8*20mm TSOP-1 600mil DIP 450mil SOP 8*20mm TSOP-1 600mil DIP 450mil SOP 8*20mm TSOP-1
HEADQUARTER: NO.2, TECHNOLOGY RD. V, SCIENCE-BASED INDUSTRIAL PARK, HSIN-CHU, TAIWAN, R.O.C. TEL: 886-3-5780333 .ax: 886-3-5783000
Integrated Circuit Solution Inc.
BRANCH O..ICE: 7., NO. 106, SEC. 1, HSIN-TAI 5TH ROAD, HSICHIH TAIPEI COUNTY, TAIWAN, R.O.C. TEL: 886-2-26962140 .AX: 886-2-26962252 http://www.icsi.com.tw
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