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ICS950405 - AMD - K8 System Clock Chip

General Description

PIN # PIN NAME 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 FS0/REF0 VDDHTT X1 X2 GND ModeA/HTTCLK0 ModeB/PCICLK8/HTTCLK1 PCICLK9/HTTCLK2 VDDPCI GND PCICLK11/HTTCLK3 PCICLK10 PCICLK0 PCICLK1 GND

Key Features

  • 2 - Differential pair push-pull CPU clocks @ 3.3V.
  • 9 - PCICLK (Including 1 free running) @ 3.3V.
  • 3 - Selectable PCICLK/HTTCLK @ 3.3V.
  • 1 - HTTCLK @ 3.3V.
  • 1 - 48MHz @ 3.3V fixed.
  • 1 - 24/48MHz @ 3.3V.
  • 3 - REF @ 3.3V, 14.318MHz. Features:.
  • Programmable output frequency.
  • Programmable output divider ratios.
  • Programmable output rise/fall time.
  • Programmable output skew.
  • Programmable spread.

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Datasheet Details

Part number ICS950405
Manufacturer Integrated Circuit Systems
File Size 134.06 KB
Description AMD - K8 System Clock Chip
Datasheet download datasheet ICS950405 Datasheet

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. ICS950405 AMD - K8™ System Clock Chip Recommended Application: AMD K8 System Clock with AMD, VIA or ALI Chipset Output Features: • 2 - Differential pair push-pull CPU clocks @ 3.3V • 9 - PCICLK (Including 1 free running) @ 3.3V • 3 - Selectable PCICLK/HTTCLK @ 3.3V • 1 - HTTCLK @ 3.3V • 1 - 48MHz @ 3.3V fixed. • 1 - 24/48MHz @ 3.3V • 3 - REF @ 3.3V, 14.318MHz. Features: • Programmable output frequency. • Programmable output divider ratios. • Programmable output rise/fall time. • Programmable output skew. • Programmable spread percentage for EMI control. • Watchdog timer technology and RESET# output to reset system if system malfunctions. • Programmable watch dog safe frequency. • • • Support I2C Index read/write and block read/write operations.