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9DB1904B

IDT
Part Number 9DB1904B
Manufacturer IDT
Description 19 Output Differential Buffer
Published Dec 13, 2016
Detailed Description Datasheet 19 Output Differential Buffer for PCIe Gen2 and QPI 9DB1904B Description The 9DB1904 is electrically compat...
Datasheet PDF File 9DB1904B PDF File

9DB1904B
9DB1904B

Overview
Datasheet 19 Output Differential Buffer for PCIe Gen2 and QPI 9DB1904B Description The 9DB1904 is electrically compatible to the Intel DB1900GS Differential Buffer Specification.
This buffer provides 19 output clocks for PCI-Express Gen2 or Intel QPI 6.
4GT/s applications.
A differential clock from a CK410B+ main clock generator, such as the ICS932S421 drives the 9DB1904.
The 9DB1904 can provide outputs up to 400MHz in Bypass Mode.
Recommended Application 19 Output Differential Buffer for PCIe Gen2 and QPI Key Specifications • DIF output cycle-to-cycle jitter < 50ps • DIF output-to-output skew < 150ps across all outputs Features/Benefits • Power up default is all outputs in 1:1 mode/No SMBus programming • Spread spectrum compatible/EMI reductions • Supports output frequencies up to 400 MHz in bypass mode/flexible fanout buffer • 8 Selectable SMBus addresses/no SMBus segmentation required • SMBus address determines PLL or Bypass mode/pin savings • Dedicated VDDA and CK...


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