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Y2210
CY2210
133 MHz Spread Spectrum Clock Synthesizer/Driver with AGP, USB, and DRCG Support
Features * Mixed 2.5V and 3.3V Operation * Compliant to Intel(R) CK133 (CY2210-3) & CK133W (CY2210-2) synthesizer and driver specification * Multiple output clocks at different frequencies -- Four CPU clocks, up to 133 MHz -- Eight synchronous PCI clocks, 1 free-running -- Two CPU/2 clocks, at one-half the CPU frequency -- Four AGP clocks at 66 MHz -- Three synchronous APIC clocks, at 16.67 MHz -- One USB clock at 48 MHz -- Two reference clocks at 14.318 MHz Single-chip main motherboard clock generator -- Driven together, support 4 CPUs and a chipset -- Support for 4 PCI slots and chipset -- Drives up to two main memory clock generators, including DRCG (CPUCLK/2) -- Support for multiple AGP slots -- Support multiprocessing systems -- Supports USB frequencies and I/O chip
(R)
Benefits Usable with Pentium II and Pentium(R) III processors
* Spread Spectrum clocking Enables reduction of EMI in some systems -- 32.5-kHz modulation frequency @ 133 MHz -- 33.1-kHz modulation frequency @ 100 MHz for CY2210-02/03 -- 33.4-kHz modulation frequency @ 100 MHz for CY2210-04 -- EPROM programmable percentage of spreading. Default is -0.6%, which is recommended by Intel * Power-down features * Three Select inputs * Low-skew and low-jitter outputs * OE and Test Mode support * 56-pin SSOP package Supports mobile systems Supports up to eight CPU clock frequencies Meets tight system timing requirements at high frequency Enables ATE and "bed of nails" testing Widely available, standard package enables lower cost
Logic Block Diagram
REFCLK [0-1] (14.318 MHz)
Pin Configuration
Top View
VSSREF REFCLK0 REFCLK1 VDDREF 1 2 3 4 5 6 7 8 56 55 54 53 52 51 50 49 VDDAPIC APICCLK2 APICCLK1 APICCLK0 VSSAPIC VDDCPU/2 CPUCLK/2 (DRCG) CPUCLK/2 (DRCG) VSSCPU/2 VDDCPU CPUCLK3 CPUCLK2 VSSCPU VDDCPU CPUCLK1 CPUCLK0 VSSCPU AVDD AVSS PCI_STOP CPU_STOP PWR_DWN SPREAD SEL1 SEL0 VDDUSB USBCLK VSSUSB
CPUCLK [0-3] CPU_STOP XTALIN
XTALOUT
14.318 MHz OSC.
XTALIN XTALOUT VSSPCI
CY2210-2/-3/-4
CPU PLL
CPUCLK/2 [0-1] (DRCG)
PCICLK_F PCICLK1 VDDPCI
SEL1 SEL0 SEL133 SPREAD PCI_STOP PWR_DWN
Divider, EPRO M-
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29
PCICLK_F (33.33 MHz) PCICLK [1-7] (33.33 MHz) APICCLK [0-2] (16.67 MHz) AGPCLK [0-3] (66.67 MHz)
PCICLK2 PCICLK3 VSSPCI PCICLK4 PCICLK5 VDDPCI PCICLK6 PCICLK7 VSSPCI VSSAGP AGPCLK0 AGPCLK1 VDDAGP VSSAGP AGPCLK2 AGPCLK3 VDDAGP SEL133
EPROM
SYS PLL
USBCLK (48 MHz)
Rev 1.0, November 25, 2006
2200 Laurelwood Road, Santa Clara, CA 95054 Tel:(408) 855-0555 Fax:(408) 855-0550
Page 1 of 10
www.SpectraLinear.com
CY2210
Pin Summary
Name VSSREF VDDREF VSSPCI VDDPCI VSSAGP VDDAGP VSSUSB VDDUSB VSSCPU VDDCPU VSSCPU/2 VDDCPU/2 VSSAPIC VDDAPIC AVSS AVDD XTALIN[1] XTALOUT[1] CPUCLK [0-3] PCICLK [1-7] PCICLK_F CPUCLK/2 AGPCLK [0-3] APICCLK [0-2] REFCLK [0-1] USBCLK CPU_STOP PCI_STOP PWR_DWN SPREAD SEL1 SEL0 SEL133 Pins 1 4 7, 13, 19 10, 16 20, 24 23, 27 29 31 40, 44 43, 47 48 51 52 56 38 39 5 6 41, 42, 45, 46 9, 11, 12, 14, 15, 17, 18 8 49, 50 21, 22, 25, 26 53, 54, 55 2, 3 30 36 37 35 34 33 32 28 Description 3.3V Reference ground 3.3V Reference voltage supply 3.3V PCI ground 3.3V PCI voltage supply 3.3V AGP ground 3.3V AGP voltage supply 3.3V USB ground 3.3V USB voltage supply 2.5V CPU ground 2.5V CPU voltage supply 2.5V CPU/2 ground 2.5V CPU/2 voltage supply 2.5V APIC ground 2.5V APIC voltage supply Analog ground to PLL and Core Analog voltage supply to PLL and Core Reference crystal input Reference crystal feedback CPU clock outputs PCI clock outputs, synchronously running at 33.33 MHz Free running PCI clock CPU/2 clock outputs, drive memory clock generator AGP clock outputs, running at 66.66 MHz APIC clock outputs, running at 16.67 MHz Reference clock outputs, 14.318 MHz 48-MHz USB clock output Active LOW input, disables CPU and AGP clocks when asserted Active LOW input, disables PCI clocks when asserted Active LOW input, powers down part when asserted Active LOW input, enables spread spectrum when asserted CPU frequency select input (See Function Table) CPU frequency select input (See Function Table) CPU frequency select input (See Function Table)
Note: 1. For best accuracy, use a parallel-resonant crystal, CLOAD = 18 pF. For crystals with different CLOAD, please refer to the application note, "Crystal Oscillator Topics."
Rev 1.0, November 25, 2006
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CY2210
Function Table[2]
SEL133 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 SEL1 0 1 0 1 0 1 0 1 SEL0 CPUCLK (MHz) Hi-Z 100.227 100 100 TCLK/2 N/A 133.33 133.33
[3]
CPUCLK/2 (MHz) Hi-Z 50.114 50 50 TCLK/4 N/A 66.67 66.67
[3]
AGPCLK (MHz) Hi-Z 66.818 66.67 66.67 TCLK/4 N/A 66.67 66.67
[3]
PCICLK (MHz) Hi-Z 33.409 33.33 33.33 TCLK/8 N/A 33.33 33.33
[3]
USBCLK (MHz) Hi-Z 48.008 OFF 48 TCLK/2 N/A OFF 48
[3]
REFCLK (MHz) Hi-Z 14.318 14.318 14.318 TCLK N/A 14.318 14.318
[3]
APICCLK (MHz) Hi-Z 16.705[3] 16.67 16.67 TCLK/16 N/A 16.67 16.67
Actual Clock Frequency Values
Target Frequency (MHz) -2 100.0 133.33 48.0 -3 100.0 133.33 48.0 -4 100.0 133.33 48.0 -2 99.126 132.769 48.008 Actual Frequency (MHz) -3 99.126 132.769 48.008 -4 100.227 132.769 48.008 -2 -8740 -4208 167 PPM -3 -8740 -4208 167 -4 +2714 -4208 167
Clock Output CPUCLK CPUCLK USBCLK
Clock Enable Configuration
CPU_STOP X 0 0 1 1 PWR_DWN 0 1 1 1 1 PCI_STOP X 0 1 0 1 CPUCLK LOW LOW LOW ON ON CPUCLK/2 LOW ON ON ON ON AGP LOW LOW LOW ON ON PCI LOW LOW ON LOW ON PCI_F LOW ON ON ON ON REF APIC LOW ON ON ON ON OSC. OFF ON ON ON ON VCOs OFF ON ON ON ON
Clock Driver Impedances
Impedance Minimum Buffer Name CPU, CPU/2, APIC USB, REF PCI, AGP VDD Range 2.375-2.625 3.135-3.465 3.135-3.465 Buffer Type Type 1 Type 3 Type 5 13.5 20 12 29 40 30 45 60 55 Typical Maximum
Notes: 2. TCLK is a test clock driven in on the XTALIN input in test mode. 3. Only CY2210-2 supports this option. In CY2210-3, this selection is defined as "N/A" or "Reserved".
Rev 1.0, November 25, 2006
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CY2210
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.) Supply Voltage..................................................-0.5 to +7.0V Input Voltage.............................................. -0.5V to VDD+0.5 Storage Temperature (Non-Condensing) ....-65 C to +150 C Junction Temperature................................................ +150 C Package Power Dissipation.............................................. 1W Static Discharge Voltage (per MIL-STD-883, Method 3015) ............................. >2000V
Operating Conditions Over which Electrical Parameters are Guaranteed
Parameter VDDREF, VDDPCI, AVDD, VDDAGP, VDDUSB VDDCPU, VDDCPU/2 VDDAPIC TA CL Description 3.3V Supply Voltages CPU and CPU/2 Supply Voltage APIC Supply Voltage Operating Temperature, Ambient Max. Capacitive Load on CPUCLK, CPUCLK/2, USBCLK, REF, APIC PCICLK, AGP Reference Frequency, Oscillator Nominal Value Power-up time for all VDD's to reach minimum specified voltage (power ramps must be monotonic) 14.318 0.05 Min. 3.135 2.375 2.375 0 Max. 3.465 2.625 2.625 70 20 30 14.318 50 MHz ms Unit V V V C pF
f(REF) tPU
Electrical Characteristics Over the Operating Range
Parameter VIH VIL VOH VOL IIH IIL IOH Description High-level Input Voltage Low-level Input Voltage Except Crystal Pads IOH = -1 mA IOH = -1 mA IOL = 1 mA IOL = 1 mA 2.0 2.4 0.4 0.4 10 10 VOH = 2.0V VOH = 2.0V VOH = 2.4V VOH = 2.4V VOL = 0.4V VOL = 0.4V VOL = 0.4V VOL = 0.4V -16 -20 -15 19 25 10 20 -60 -72 -51 49 58 24 49 10 90 160 100 200 A mA mA A A mA A A mA V USB, REF, PCI, AGP Low-level Output Voltage[4] CPU, CPU/2, APIC USB, REF, PCI, AGP Input High Current Input Low Current High-level Output Current[4] 0 < VIN < VDD 0 < VIN < VDD CPU, CPU/2 APIC USB, REF AGP, PCI IOL Low-level Output Current[4] CPU, CPU/2 APIC USB, REF AGP, PCI IOZ IDD2 IDD3 IDDPD2 IDDPD3 Output Leakage Current Three-state Test Conditions Except Crystal Pads. Threshold voltage for crystal pads = VDD/2 Min. Max. Unit 2.0 0.8 V V V
High-level Output Voltage[4] CPU, CPU/2, APIC
-30 -100
2.5V Power Supply Current AVDD/VDD33 = 3.465V, VDD25 = 2.625V, FCPU = 133 MHz 3.3V Power Supply Current AVDD/VDD33 = 3.465V, VDD25 = 2.625V, FCPU = 133 MHz 2.5V Shutdown Current AVDD/VDD33 = 3.465V, VDD25 = 2.625V 3.3V Shutdown Current AVDD/VDDQ3 = 3.465V, VDD25 = 2.625V
Note: 4. Parameter is guaranteed by design and characterization. Not 100% tested in production.
Rev 1.0, November 25, 2006
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CY2210
Switching Characteristics[4, 5] Over the Operating Range
Parameter t1 t2 t2 t2 t3 t3 t3 t6 t7 t8 t9 t10 t11 t12 t13 t14 All CPU, CPU/2, APIC USB, REF PCI, AGP CPU, CPU/2, APIC USB, REF PCI, AGP CPU CPU/2 APIC AGP PCI CPU, AGP AGP, PCI CPU, APIC CPU, PCI CPU CPU CPU CPU/2 APIC USB AGP REF CPU, PCI Output Description Output Duty Cycle[6] Rising Edge Rate Rising Edge Rate Rising Edge Rate Falling Edge Rate Falling Edge Rate Falling Edge Rate CPU-CPU Skew CPU/2-CPU/2 Skew APIC-APIC Skew AGP-AGP Skew PCI-PCI Skew CPU-AGP Clock Skew AGP-PCI Clock Skew CPU-APIC Clock Skew CPU-PCI Clock Skew Cycle-Cycle Clock Jitter Cycle-Cycle Clock Jitter Cycle-Cycle Clock Jitter Cycle-Cycle Clock Jitter Cycle-Cycle Clock Jitter Cycle-Cycle Clock Jitter Cycle-Cycle Clock Jitter Cycle-Cycle Clock Jitter Settle Time CPU and PCI clock stabilization from power-up t1A/t1B Between 0.4V and 2.0V Between 0.4V and 2.4V Between 0.4V and 2.4V Between 2.0V and 0.4V Between 2.4V and 0.4V Between 2.4V and 0.4V Measured at 1.25V Measured at 1.25V Measured at 1.25V Measured at 1.5V Measured at 1.5V CPU leads. Measured at 1.25V for 2.5V clocks and 1.5V for 3.3V clocks AGP leads. Measured at 1.5V CPU leads. Measured at 1.25V CPU leads. Measured at 1.25V clocks and 1.5V for 3.3V clocks With all outputs running (CY2210-2) With all outputs running (CY2210-3/-4) With the USB output turned off (CY2210-3/-4) 0 1.5 1.5 1.5 Test Conditions Min. 45 1.0 0.5 1.0 1.0 0.5 1.0 Max. 55 4.0 2.0 4.0 4.0 2.0 4.0 175 175 250 250 500 1.5 4.0 4 4 150 250 200 250 500 500 500 1000 3 Unit % V/ns V/ns V/ns V/ns V/ns V/ns ps ps ps ps ps ns ns ns ns ps ps ps ps ps ps ps ps ms
Notes: 5. All parameters specified with loaded outputs. 6. Duty cycle is measured at 1.5V when VDD = 3.3V. When VDD = 2.5V, duty cycle is measured at 1.25V.
Rev 1.0, November 25, 2006
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CY2210
Switching Waveforms
Duty Cycle Timing
t1A t1B
All Outputs Rise/Fall Time
VDD OUTPUT 0V t2 t3
CPU-CPU Clock Skew
CPUCLK
CPUCLK t6
CPU/2 - CPU/2 Clock Skew
CPU/2
CPU/2 t7
APIC-APIC Clock Skew
APIC
APIC t8
Rev 1.0, November 25, 2006
Page 6 of 10
CY2210
Switching Waveforms (continued)
AGP-AGP Clock Skew
AGP
AGP t9
PCI-PCI Clock Skew
PCI
PCI t10
CPU-AGP Clock Skew
CPU
AGP t11
AGP - PCI Clock Skew
AGP
PCI t12
CPU-APIC Clock Skew
CPU t13
APIC
Rev 1.0, November 25, 2006
Page 7 of 10
CY2210
Switching Waveforms (continued)
CPU-PCI Clock Skew
CPU t14
PCI
CPU_STOP Timing
CPUCLK (Internal) PCICLK (Internal) PCICLK (Free-Running) CPU_STOP CPU, CPU/2, AGP (External)
[7, 8]
PCI_STOP
CPUCLK (Internal) PCICLK (Internal) PCICLK
(Free-Running)
PCI_STOP PCICLK (External)
PWR_DOWN
CPUCLK (Internal) PCICLK (Internal) PWR_DWN CPUCLK (External) PCICLK (External) VCO Crystal Shaded section on the VCO and Crystal waveforms indicates that the VCO and crystal oscillator are active, and there is a valid clock.
Notes: 7. CPUCLK on and CPUCLK off latency is 2 or 3 CPUCLK cycles. 8. CPU_STOP may be applied asynchronously. It is synchronized internally.
Rev 1.0, November 25, 2006
Page 8 of 10
CY2210
Test Circuit
VDDPCI, VDDAGP, VDDUSB, VDDREF, AVDD
1, 7, 13, 19, 20, 24, 29, 38, 40, 44, 48, 52 4, 10, 16, 23, 27, 31 CY2210
VDDCPU, VDDCPU/2, VDDAPIC 43, 47, 51, 56
OUTPUTS CLOAD
Note that Each supply pin must have an individual decoupling capacitor. Note that All capacitors must be placed as close to the pins as is physically possible.
Rev 1.0, November 25, 2006
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CY2210
Ordering Information
Ordering Code CY2210PVC-2/-3/-4 Package Name O56 Package Type 56-Pin SSOP Operating Range Commercial
Package Diagram
56-Lead Shrunk Small Outline Package O56
While SLI has reviewed all information herein for accuracy and reliability, Spectra Linear Inc. assumes no responsibility for the use of any circuitry or for the infringement of any patents or other rights of third parties which would result from each use. This product is intended for use in normal commercial applications and is not warranted nor is it intended for use in life support, critical medical instruments, or any other application requiring extended temperature range, high reliability, or any other extraordinary environmental requirements unless pursuant to additional processing by Spectra Linear Inc., and expressed written agreement by Spectra Linear Inc. Spectra Linear Inc. reserves the right to change any circuitry or specification without notice.
Rev 1.0, November 25, 2006
Page 10 of 10

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