概要

説明

The 9DB1200 is an Intel DB1200 Differential Buffer Specification device. This buffer provides 12 differential clocks at frequencies ranging from 100 MHz to 400 MHz. The 9DB1200 is driven by a differential output from a CK410B+ or CK509B main clock generator.

特長

  • 12 - 0.7 V current-mode differential output pairs.
  • Supports zero delay buffer mode and fanout mode.
  • Bandwidth programming available.
  • 100-400 MHz operation in PLL mode
  • 33-400 MHz operation in Bypass mode
  • 3 selectable SMBus addresses for easy system expansion
  • Spread spectrum modulation tolerant, 0 to -0.5% down spread and +/- 0.25% center spread
  • Supports undriven differential outputs in Power Down Mode for power management.
  • Output cycle-cycle jitter < 50 ps
  • Output to output skew: 50 ps
  • Phase jitter: PCIe Gen2 < 3.1 ps RMS
  • Phase jitter: QPI < 0.5 ps RMS
  • 64-pin TSSOP Package
  • Available in RoHS compliant packaging

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