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9DB1904B - 19 Output Differential Buffer

Datasheet Summary

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.

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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Datasheet preview – 9DB1904B

Datasheet Details

Part number 9DB1904B
Manufacturer IDT
File Size 176.74 KB
Description 19 Output Differential Buffer
Datasheet download datasheet 9DB1904B Datasheet
Additional preview pages of the 9DB1904B datasheet.

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Full PDF Text Transcription

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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.
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