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ICS950208

Part Number	ICS950208
Manufacturer	Integrated Circuit Systems
Description	Programmable Timing Control Hub for P4
Published	Nov 17, 2005
Detailed Description	Integrated Circuit Systems, Inc. ICS950208 Programmable Timing Control Hub™ for P4™ Recommended Application: CK-408 cl...
Datasheet	ICS950208 PDF File

Overview

Integrated Circuit Systems, Inc.
ICS950208 Programmable Timing Control Hub™ for P4™ Recommended Application: CK-408 clock with driven mode only for Brookdale chipset with P4 processor.
Output Features: • 3 - Pairs of differential CPU clocks @ 3.
3V • 4 - 3V66 @ 3.
3V • 10 - PCI @ 3.
3V • 1 - 48MHz @ 3.
3V fixed • 1 - 24_48MHz selectable output @ 3.
3V • 2 - REF @ 3.
3V, 14.
318MHz Features/Benefits: • Programmable output frequency.
• Programmable output divider ratios.
• Programmable output rise/fall time.
• Programmable output skew.
• Programmable spread percentage for EMI control.
• Watchdog timer technology to reset system if system malfunctions.
• Programmable watch dog safe frequency.
• Supports I2C Index read/write and block read/write operations.
• Uses external 14.
318MHz crystal.
Key Specifications: • CPU Output Jitter <150ps • 3V66 Output Jitter <250ps • CPU Output Skew <100ps Pin Configuration *MULTSEL1/REF1 1 VDDREF 2 X1 3 X2 4 GND 5 *FS2/PCICLK_F0 6 *FS3/PCICLK_F1 7 PCICLK_F2 8 VDDPCI 9 PCICLK1 11 PCICLK2 12 GND 13 PCICLK3 14 PCICLK4 15 PCICLK5 16 PCICLK6 17 VDDPCI 18 Vttpwr_GD# 19 RESET# 20 GND 21 *FS0/48MHz 22 *FS1/24_48MHz 23 AVDD48 24 *FS4/PCICLK0 10 48 REF0/MULTSEL0* 47 GNDREF 46 VDDCPU 45 CPUCLKT2 44 CPUCLKC2 43 GNDCPU 42 PD# 41 CPUCLKT0 40 CPUCLKC0 39 VDDCPU 38 CPUCLKT1 37 CPUCLKC1 36 GNDCPU 35 IREF 34 AVDD 33 GND 32 VDD3V66 31 3V66_0 30 3V66_1 29 GND 28 3V66_2 27 3V66_3 26 SCLK 25 SDATA 48-SSOP * Internal Pull-Up Resistor of 120K to VDD Frequency Table Bit2 FS4 0 0 0 0 0 0 0 0 0 Bit7 FS3 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 Bit6 FS2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 Bit5 FS1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 Bit4 FS0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 CPU MHz 102.
00 105.
00 108.
00 111.
00 114.
00 117.
00 120.
00 123.
00 126.
00 130.
00 136.
00 140.
00 144.
00 148.
00 152.
00 156.
00 160.
00 164.
00 166.
60 170.
00 175.
00 180.
00 185.
00 190.
00 66.
80 100.
...

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