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9DB1904B Datasheet 19 Output Differential Buffer

Manufacturer: IDT

Overview: Datasheet 19 Output Differential Buffer for PCIe Gen2 and QPI.

Datasheet Details

Part number 9DB1904B
Manufacturer IDT
File Size 176.74 KB
Description 19 Output Differential Buffer
Datasheet 9DB1904B-IDT.pdf

General 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.

Key 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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