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. Block Diagram.
Packaged in 20-pin TSSOP.
RoHS 5 (green) or RoHS 6 (green and lead free)
complaint package.
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QUAD DIFFERENTIAL PCI-EXPRESS GEN1 CLOCK SOURCE
DATASHEET
ICS557-05A
Description
Features
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.