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PCK2023 - spread spectrum differential system clock generator

Description

The PCK2023 is a clock synthesizer/driver for a Pentium IV and other similar processors.

The PCK2023 has three differential pair CPU current source outputs.

There are ten PCI clock outputs running at 33 MHz and two 48 MHz clocks.

Features

  • 3.3 V operation.
  • Three differential CPU clock pairs.
  • Ten PCI clocks at 3.3 V.
  • Six 66 MHz clocks at 3.3 V.
  • Two 48 MHz clocks at 3.3 V.
  • One 14.318 MHz reference clock.
  • 66,100, 133 or 200 MHz operation.
  • Power management control pins.
  • CPU clock skew less than 200 ps cycle-to-cycle.
  • CPU clock skew less than 150 ps pin-to-pin.
  • 1.5 ns to 3.5 ns delay on PCI pins.
  • Spread Spectrum capability DESCR.

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Part Number Description
PCK2020 CK00 100/133MHz spread spectrum differential system clock generator
PCK2021 CK00 100/133 MHz spread spectrum differential system clock generator
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Full PDF Text Transcription

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INTEGRATED CIRCUITS PCK2023 CK408 (66/100/133/200 MHz) spread spectrum differential system clock generator Product data Supersedes data of 2001 Sep 07 2003 Jul 31 Philips Semiconductors Philips Semiconductors CK408 (66/100/133/200 MHz) spread spectrum differential system clock generator Product data PCK2023 FEATURES • 3.3 V operation • Three differential CPU clock pairs • Ten PCI clocks at 3.3 V • Six 66 MHz clocks at 3.3 V • Two 48 MHz clocks at 3.3 V • One 14.318 MHz reference clock • 66,100, 133 or 200 MHz operation • Power management control pins • CPU clock skew less than 200 ps cycle-to-cycle • CPU clock skew less than 150 ps pin-to-pin • 1.5 ns to 3.
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