Diodes Incorporated
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8 Channel PCIe Gen 3, 10GbE, SAS3 ReDriver with linear type

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The PI3EQX12908A2 is an 8-channel PCIe Gen 3, 10GbE, SAS3, ReDriver™. The device provides programmable linear equalization, output swing and gain, by either pin strapping option or I2C Control, to optimize performance over a variety of physical mediums by reducing Inter-symbol interference.

The PI3EQX12908A2 supports eight 100-Ohm Differential CML data I/O’s and extends the signals across other distant data pathways on the user’s platform.

The programmable settings can be applied easily via pins, software (I2C) or loaded via an external EEPROM. When operating in the EEPROM mode, the configuration information is automatically loaded on power up, which eliminates the need for an external microprocessor or software driver.

The PI3EQX12908A2 offers fully Linear Transfer function to fully comply with all PCIe 3.0 Link Training signals.


  • High-speed serial link with linear equalizer
  • Support PCIe Gen 1/2/3 protocol, 10GbE, SATA3, SAS3
  • Supporting 8 differential channels
  • Independent channel configuration of receiver equalization, output swing, and flat gain
  • Per Channel Activity Detector with selectable input termination between 50Ω to VDD and 200KΩ to VDD
  • Per Channel Output Termination Detector on power up with selectable output termination between 50Ω to VDD and High impedance
  • Very linear transfer function
  • Fully compliant to PCI-SIG Link Training
  • Single-ended mode receiver detection for PCIe
  • Input Threshold detection
  • Pin strap and I2C master/slave selectable device programming with external EEPROM
  • 4-bit selectable address bit for I2C
  • Supply Voltage: 3.3V±0.3V
  • Industrial Temperature Range: -40oC to 85oC
  • Packaging (Pb-free & Green):
    • 54-contact TQFN (10mm x 5.5mm x 0.5mm pitch) - flowthrough pinout


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  • Storage
  • Cable
  • Infotainment

Product Specifications

Product Parameters

Compliance (Only Automotive supports PPAP) Standard
Channels 8
Data Rate (Gbps) 12
Lanes/Ports 8
Output Swing Max (mV) N/A
Programming Interface(s) I2C, Pinstrap

Technical Documents

Design tool model software

Recommended Soldering Techniques


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

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