Document
7 O/P 1.5V PCIe Gen1-2-3 Fan-out Buffer
9DBU0731
DATASHEET
Description
The 9DBU0731 is a member of IDT's 1.5V Ultra-Low-Power (ULP) PCIe family. The device has 7 output enables for clock management, and 3 selectable SMBus addresses.
Recommended Application
1.5V PCIe Gen1-2-3 Fan-out Buffer (FOB)
Output Features
• 7 – 1-167MHz Low-Power (LP) HCSL DIF pairs
Key Specifications
• DIF additive cycle-to-cycle jitter <5ps • DIF output-to-output skew < 60ps • DIF additive phase jitter is <300fs rms for PCIe Gen3 • DIF additive phase jitter <350s rms for SGMII
Block Diagram
vOE(6:0)#
7
CLK_IN CLK_IN#
vSADR
^CKPWRGD_PD# SDATA_3.3 SCLK_3.3
CONTROL LOGIC
Features/Benefits
• LP-HCSL outputs; save 14 resistors compared to standard
HCSL outputs
• 36mW typical power consumption; eliminates thermal
concerns
• Outputs can optionally be supplied from any voltage
between 1.05 and 1.5V; maximum power savings
• Spread Spectrum (SS) compatible; allows SS for EMI
reduction
• OE# .