Diodes Incorporated
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PI3EQX1012C (Obsolete)

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The PI3EQX1012C is a low power, high performance 10.0 Gbps USB 3.1 Gen-2 Mux/DeMux ReDriver™ designed specifically for the USB 3.1 protocol.

The device provides programmable equalization, linear swing and flat gain to optimize performance over a variety of physical mediums by reducing Inter-Symbol Interference. PI3EQX1012C supports two 100Ω Differential CML data I/O’s between the Protocol ASIC to a switch fabric, over cable, or to extend the signals across other distant data pathways on the user’s platform.

The integrated equalization circuitry provides flexibility with signal integrity of the signal before the ReDriver. Each channel operates fully independently. The channels’ input signal level de-termines whether the output is active.

The PI3EQX1012C also includes an automatic receiver detect function. The receiver detection loop will be active again if the corresponding channel’s signal detector is idle for longer than 7.3ms. The channel will then move to Unplug Mode if load not detected, or it will return to Low Power Mode (Slumber Mode) due to inactivity.


  • 5 & 10Gbps serial link with linear equalizer.
  • USB3.1 Gen-2 and Gen-1 Compatible
  • Full Compliancy to USB3.1 Super Speed Standard
  • 1 to 2 DeMux from host Tx to device Rx
  • 2 to 1 Mux from device Tx to host Rx
  • Adjustable output linear swing via I2C or Pin Control
  • Adjustable Flat Gain via I2C or Pin Control
  • Adjustable Equalization via I2C or Pin Control
  • 100Ω Differential CML I/O’s
  • Automatic Receiver Detect
  • Auto "Slumber" mode for adaptive power management
  • Temperature Range: 0°C to +85°C
  • Single Supply Voltage: 3.3V ± 10%


  • PC
  • Server
  • Storage
  • Cable
  • Infotainment

Product Specifications

Product Parameters

Channels 4
Data Rate (Gbps) 10
Lanes/Ports 2
Output Swing Max (mV) 870
Programming Interface(s) I2C, Pinstrap

Technical Documents

Design tool model software

Recommended Soldering Techniques


Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2426 2019-08-06 2020-02-06 Device End of Life (EOL)