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ICS94225 - AMD-K7TM System Clock Chip

Description

The ICS94225 is a main clock synthesizer chip for AMD-K7 based systems with AMD 750/760 style chipsets.

This provides all clocks required for such a system.

The ICS94225 belongs to ICS new generation of programmable system clock generators.

Features

  • 3 differential pair open drain CPU clocks (1.5V external pull-up; up to 150MHz achieviable through I2C).
  • 2 - AGPCLK @ 3.3V.
  • 8 - PCI @3.3V, including 1 free running.
  • 1 - 48MHz @ 3.3V.
  • 1 - 24/48MHz @ 3.3V.
  • 2- REF @3.3V, 14.318MHz. Features:.
  • Programmable ouput frequency.
  • Programmable ouput rise/fall time.
  • Programmable group skew.
  • Real time system reset output.
  • Spread spectrum for EMI control typica.

📥 Download Datasheet

Datasheet Details

Part number ICS94225
Manufacturer Integrated Circuit Solution
File Size 198.10 KB
Description AMD-K7TM System Clock Chip
Datasheet download datasheet ICS94225 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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www.DataSheet4U.com Integrated Circuit Systems, Inc. ICS94225 AMD-K7TM System Clock Chip Recommended Application: AMD 750/760 style chipset Output Features: • 3 differential pair open drain CPU clocks (1.5V external pull-up; up to 150MHz achieviable through I2C) • 2 - AGPCLK @ 3.3V • 8 - PCI @3.3V, including 1 free running • 1 - 48MHz @ 3.3V • 1 - 24/48MHz @ 3.3V • 2- REF @3.3V, 14.318MHz. Features: • Programmable ouput frequency • Programmable ouput rise/fall time • Programmable group skew • Real time system reset output • Spread spectrum for EMI control typically by 7dB to 8dB, with programmable spread percentage • Watchdog timer technology to reset system if over-clocking causes malfunction • Uses external 14.
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