9DB423BGLFT

DATASHEET ICS9DB423 4-OUTPUT DIFFERENTIAL BUFFER FOR PCIE GEN1, GEN2, AND QPI General Description Features/Benefits The ICS9DB423B is compatible with the Intel DB400Q Differential Buffer Specification. This buffer provides 4 PCI-Express SRC or 4 QPI clocks. The ICS9DB423B 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# for modes for power management. Output Features Recommended Application DB400Q compatible part with PCIe Gen1, Gen 2 and QPI support Key Specifications • • • • • spread and +/- 0.25% center spread Output cycle-cycle jitter < 50ps • • • • • 4 - 0.7V current-mode differential output pairs Supports zero delay buffer mode and fanout mode Bandwidth programming available 50-133 MHz operation in PLL mode 33-400 MHz operation in Bypass mode Output to Output skew