'PCI-EXPRESS' related articles 1

  1. 2009/08/18 ICS557-05A - QUAD DIFFERENTIAL PCI-EXPRESS CLOCK SOURCE
Description
The ICS557-05A is a spread-spectrum clock generator that supports PCI-Express requirements. It is used in PC or embedded systems to substantially reduce electro-magnetic interference (EMI). The device provides four differential HCSL or LVDS high-frequency outputs with spread spectrum capability. The output frequency and spread type are selectable using external pins.

Features
*Packaged in 20-pin TSSOP
*Available in RoHS 5 (green) or RoHS 6 (green and lead free) complaint package
*Supports PCI-Express applications
*Four differential spread spectrum clock outputs
*Spread spectrum for EMI reduction
*Uses external 25 MHz clock or crystal input
*Power down pin turns off chip
*OE control tri-states outputs
*Spread and frequency selection via external pins
*Spread Bypass option available
*Industrial temperature range available

ICS557G-05A, ICS557G-05AT, ICS557G-05ALF, ICS557G-05ALFT

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