Description
Output Features
The ICS9DB403 is compatible with the Intel DB400v2 Differential
Buffer Specification. This buffer provides 4 PCI-Express Gen2 clocks.
The ICS9DB403 is driven by a differential output pair from a
CK410B+, CK505 or CK509B main clock generator.
• 4 - 0.7V current-mode differential output pairs
• Supports zero delay buffer mode and fanout mode
• Bandwidth programming available
• 50-100 MHz operation in PLL mode
• 50-400 MHz operation in Bypass mode

Key Specifications
• Outputs cycle-cycle jitter < 50ps
• Outputs skew: 50ps
• Phase jitter: PCIe Gen1 < 86ps peak to peak
• Phase jitter: PCIe Gen2 < 3.0/3.1ps rms
• 28-pin SSOP/TSSOP pacakge
• Available in RoHS compliant packaging
• Supports Commercial (0 to +70°C) and Industrial (-40 to
+85°C) temperature ranges
Features/Benefits
• Spread spectrum modulation tolerant, 0 to -0.5% down
spread and +/- 0.25% center spread.
• Supports undriven differential outputs in PD# and
SRC_STOP# modes for power management.