DATASHEET
EIGHT OUTPUT DIFFERENTIAL BUFFER FOR PCIE GEN1, GEN2 AND QPI
ICS9DB823B
General Description
Features/Benefits
The ICS9DB823B is compatible with the Intel DB800Q
Differential Buffer Specification. This buffer provides 8
PCI-Express SRC or 8 QPI clocks. The ICS9DB823B is
driven by a differential output pair from a CK410B+ or
CK509B main clock generator.
• Spread spectrum modulation tolerant, 0 to -0.5% down
• Supports undriven differential outputs in Power Down
and DIF_STOP# modes for power management.
Key Specifications
Recommended Application
DB800Q compatible part with PCIe Gen1, Gen 2 and QPI
support
Output Features
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spread and +/- 0.25% center spread
8 - 0.7V current-mode differential output pairs
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Outputs cycle-cycle jitter < 50ps
Output to Output skew
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