Diodes Incorporated
W QFN3060 40

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PCIe 4.0, 1:2 DeMux Linear ReDriver, 16Gbps, 4 Channels, I2C/Pin strapping mode, -40C ~ 85C


The PI3EQX16812 is a low-power, high-performance 16Gbps 4-channel DeMux Redriver™.


  • 16Gbps Serial Link with Linear Equalizer
  • Full Compliancy to PCIe 4.0 Standard
  • Supports Four Differential Channels
  • 1 to 2 DeMux
  • Independent Channel Configuration of Receiver Equalization,
  • Output Swing, and Flat Gain
  • 100Ω Differential CML I/Os
  • Automatic Receiver Detect
  • Rate and Coding Agnostic
  • Transparent to Link Training
  • Pin Strap and I2C Selectable Device Programming
  • 3 Selectable Address Bits for I2C Control
  • Supply Voltage 3.3V
  • Temperature Range: -40°C to 85°C
  • Totally Lead-Free & Fully RoHS Compliant 
  • Halogen and Antimony Free. “Green” Device
  • For automotive applications requiring specific change control
    (i.e. parts qualified to AEC-Q100/101/200, PPAP capable,
    and manufactured in IATF 16949 certified facilities), please
    contact us or your local Diodes representative.
    • Packaging (Pb-free & Green):
      • 40-Contact, ZLD40 (TQFN)


  • Workstation
  • Server

Product Specifications

Product Parameters

Compliance (Only Automotive supports PPAP) Standard
Channels 4
Data Rate (Gbps) 16
Lanes/Ports 8
Output Swing Max (mV) 1200
Programming Interface(s) I2C, Pinstrap

Technical Documents

Recommended Soldering Techniques


Additional Technical Documents are available upon request:
Application information, Evaluation board, and Other technical documents

Request Documents