DATASHEET Four Output Differential Buffer for PCIe Gen 1, Gen 2 and QPI 9DB423B Recommended Application: DB400Q compatible part with PCIe Gen1, Gen 2 and QPI support General Description: The ICS9DB423 is compatible with the Intel DB400Q Differential Buffer Specification.
This buffer provides 4 PCI-Express SRC or 4 QPI clocks.
The ICS9DB423 is driven by a differential output pair from a CK410B+ or CK509B main clock generator.
Key Specifications • Output cycle-cycle jitter 50ps.
• Output to Output skew 50ps • Phase jitter: PCIe Gen1 86ps peak to peak • Phase jitter: PCIe Gen2 3.
0/3.
1ps rms • Phase jitter: QPI 0.
5ps rms • RoHS compliant packaging Features/Benefits • Spread spectrum...

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