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ICS952302

Integrated Circuit Systems
Part Number ICS952302
Manufacturer Integrated Circuit Systems
Description Frequency Generator for TransmetaTM
Published Jan 22, 2006
Detailed Description Integrated Circuit Systems, Inc. ICS952302 Frequency Generator for Transmeta Efficeon Recommended Application: Transme...
Datasheet PDF File ICS952302 PDF File

ICS952302
ICS952302

Overview
Integrated Circuit Systems, Inc.
ICS952302 Frequency Generator for Transmeta Efficeon Recommended Application: Transmeta Efficion, ATi M6 Output Features: • 3 - CPUs @ 3.
3V including 1 free running CPUCLK_F • 7 - PCI @ 3.
3V, including 4 free running PCICLK_F • 1 - 27MHz clock @ 3.
3V • 2 - 48MHz clocks @ 3.
3V • 2 - REF clocks @3.
3V Key Specifications: • CPU output jitter: < 250ps • PCI output skew: < 250ps • CPUT - PCI output skew: 1-3ns • 27MHz Accuracy < 50ppm • 48MHz Accuracy < 50ppm TM TM Features: • Support I2C Index read/write and block read/write operations.
• Uses external 14.
318MHz referience input or XTAL.
• Full Load Power consumption reduced >10% compared to reference device • Power management via SMBus Functionality Byte 4b7 0 0 0 0 1 1 1 1 Byte 4b6 0 0 1 1 0 0 1 1 Byte 4b5 0 1 0 1 0 1 0 1 Spread % Pin Configuration VDDREF 1 REF0 2 GNDREF 3 X1 4 PCICLK1 11 PCICLK_F2 12 PCICLK_F3 13 VDDPCI 14 PCICLK2 15 GNDPCI 16 N/C 17 N/C 18 VDDCOR 19 PCI_STOP# 20 **PD# 21 GND48 22 SDATA 23 SCLK 24 ICS952302 +/-0.
3 +/-0.
6 +/-0.
25 +/-0.
45 -0.
60% -1.
20% -0.
50% -0.
90% CENTER X2 5 VDDPCI 6 PCICLK_F0 7 PCICLK_F1 8 GNDPCI 9 PCICLK0 10 DOWN 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 REF1 VDDCPU N/C CPUCLK0 GNDCPU CPUCLK1 CPUCLK_F CPU_STOP# GND N/C OE* N/C VDD N/C VDD27 GND 27MHZ N/C N/C N/C GND48 VDD48 48MHZ_1 48MHZ_0 48-TSSOP * Internal Pull-Up Resistor **No Diode Clamp to VDD 0957B—10/05/04 ICS952302 Pin Descriptions PIN # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 PIN NAME VDDREF REF0 GNDREF X1 X2 VDDPCI PCICLK_F0 PCICLK_F1 GNDPCI PCICLK0 PCICLK1 PCICLK_F2 PCICLK_F3 VDDPCI PCICLK2 GNDPCI N/C N/C VDDCOR PCI_STOP# **PD# GND48 SDATA SCLK 48MHZ_0 48MHZ_1 VDD48 GND48 N/C N/C N/C 27MHZ GND VDD27 N/C VDD N/C OE* N/C GND CPU_STOP# CPUCLK_F CPUCLK1 GNDCPU CPUCLK0 N/C VDDCPU REF1 PIN TYPE PWR OUT PWR IN OUT PWR OUT OUT PWR OUT OUT OUT OUT PWR OUT...


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