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PCK2000 - CK97 66/100MHz System Clock Generator

General Description

The PCK2000 is a clock synthesizer/driver chip for a Pentium Pro or other similar processors.

The PCK2000 has four CPU clock outputs at 2.5V.

There are eight PCI clock outputs running at 33MHz.

Key Features

  • Mixed 2.5V and 3.3V operation.
  • Four CPU clocks at 2.5V.
  • Eight synchronous PCI clocks at 3.3V, one free-running.
  • Two 2.5V IOAPIC clocks @ 14.318 MHz.
  • Two 3.3V 48MHz USB clock outputs.
  • Three 3.3V reference clocks @ 14.318 MHz.
  • Reference 14.31818 MHz Xtal oscillator input.
  • 100 MHz or 66 MHz operation.
  • Part provides frequencies for Pentium Pro and Pentium II™ motherboards PIN.

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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.

View original datasheet text
INTEGRATED CIRCUITS PCK2000 CK97 (66/100MHz) System Clock Generator Product specification 1998 Sep 29 Philips Semiconductors Philips Semiconductors Product specification CK97 (66/100MHz) System Clock Generator PCK2000 FEATURES • Mixed 2.5V and 3.3V operation • Four CPU clocks at 2.5V • Eight synchronous PCI clocks at 3.3V, one free-running • Two 2.5V IOAPIC clocks @ 14.318 MHz • Two 3.3V 48MHz USB clock outputs • Three 3.3V reference clocks @ 14.318 MHz • Reference 14.