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C9851 - Clock Generator

General Description

This device provides the necessary clocks for a differential host bus system in multi-processor servers and workstations.

It also generates a 66.6MHz hub clock for interfacing with a complimentary part, the Cypress B9852.

Key Features

  • Six pairs of current referenced differential clocks Two 3V 180° displaced Mref clocks for DRCG One 66.6 MHz reference output One 14.318 MHz reference output Select logic for Differential Swing Control, Test mode, Hi-Z, Power-down, Spread spectrum, and limited frequency select Cypress Spread Spectrum for EMI reduction 48 Pin SSOP Package Product.

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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 PRELIMINARY C9851 Clock Generator for PentiumIII Server and Workstation Applications Product Features • • • • • • • Six pairs of current referenced differential clocks Two 3V 180° displaced Mref clocks for DRCG One 66.6 MHz reference output One 14.318 MHz reference output Select logic for Differential Swing Control, Test mode, Hi-Z, Power-down, Spread spectrum, and limited frequency select Cypress Spread Spectrum for EMI reduction 48 Pin SSOP Package Product Description This device provides the necessary clocks for a differential host bus system in multi-processor servers and workstations. It also generates a 66.6MHz hub clock for interfacing with a complimentary part, the Cypress B9852.