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ICS950401 - System Clock

General Description

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 FS0/REF0 VDDREF X1 X2 GND PCI33/HT66SEL# PCICLK33/HT66_0 PCICLK33/HT66_1 VDDPCI GND PCICLK33/HT66_2 NC PCICLK0 PCICLK1 GND VDDPCI PCICLK2 P

Key Features

  • VDDREF 2.
  • 2 - Differential pair push-pull CPU clocks @ 3.3V X1 3.
  • 7 - PCI (Including 1 free running) @3.3V X2 4.
  • 3 - Selectable HT/PCI 66/33MHz @3.3V GND 5.
  • 1 - 48MHz, @3.3V fixed.
  • PCI33/HT66SEL# 6.
  • 1 - 24/48MHz @ 3.3V PCICLK33/HT66_0 7.
  • 3 - REF @3.3V, 14.318MHz. PCICLK33/HT66_1 8 Features: VDDPCI 9.
  • Up to 220MHz frequency support GND 10.
  • Support power management: PCI stop and stop PCICLK33/HT66_2 11 clocks controlled.

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Datasheet Details

Part number ICS950401
Manufacturer Integrated Circuit Systems
File Size 108.63 KB
Description System Clock
Datasheet download datasheet ICS950401 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Integrated Circuit Systems, Inc. ICS950401 AMD - K8™ System Clock Chip Recommended Application: AMD K8 Systems Pin Configuration *FS0/REF0 1 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/FS1* GND VDDREF REF2/FS2* SPREAD* VDDA GNDA CPUCLKT0 CPUCLKC0 GND VDDCPU CPUCLKT1 CPUCLKC1 VDD GND GNDA VDDA 48MHz GND VDD 24_48MHz/Sel24_48#* GND SDATA SCLK Output Features: VDDREF 2 • 2 - Differential pair push-pull CPU clocks @ 3.3V X1 3 • 7 - PCI (Including 1 free running) @3.3V X2 4 • 3 - Selectable HT/PCI 66/33MHz @3.3V GND 5 • 1 - 48MHz, @3.3V fixed. *PCI33/HT66SEL# 6 • 1 - 24/48MHz @ 3.3V PCICLK33/HT66_0 7 • 3 - REF @3.3V, 14.318MHz.