Diodes Incorporated
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PI3WVR31313A (Obsolete)

DP/HDMI 1:3 De-Multiplexer Switch

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PI3WVR31313A has two passive output port1 and port2, one active (DP to HDMI) output port3. Passive output ports support DP1.2 at 5.4Gbps. Active port3 support HDMI1.4b at 3.4Gbps. All three output ports support auto port priority selection. Input port accepts DP1.2 and DP++ signals associated with output ports as described below.


  • Notebook


  • DP/HDMI 1:3 De-multiplexer switch with 4 high speed differential channel and AUX/DDC, HPD and CAB_DET signal channels
  • Two passive output ports for DP1.2 at 5.4Gbps signals
  • One active output port with integrated DP to HDMI ReDriver (level shifter) supports HDMI 1.4 at 3.4Gbps
  • Pin control mode supports auto port priority selection only
  • Pin control mode supports port3 with DDC bi-direction buffer switch only
  • I²C control mode supports both auto and manual port priority selection
  • I²C control mode supports port3 with 8 levels equalization and 5 levels pre-emphasis
  • I²C control mode supports port3 with either DDC bi direction buffer switch or DDC passive switch
  • Very low operating power when passive port1 and port2 are selected
  • 3.3V power supply
  • 2KV HBM ESD protection for all I/O pins of port1, port2 and all control pins
  • 8kV contact ESD (IEC61000-4-2) protection for all output pins in port3
  • Packaging:
    - 60 pin TQFN package (5x9mm, 0.4mm pitch)
  • Support Type2 cable ID register

Product Specifications

Product Parameters

Analog or Digital? Digital
Configuration Demux, 1:3: 4-Differential Channel; 2 Passive DP, 1 Active HDMI
Differential Channels 4
HotInsertion N/A
Lanes 4
Rail-to-Rail 0
Signal Type Differential
Single Ended Channels N/A
Ambient or Junction Temperature (°C) -40 to 85
Voltage 3.3

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-2436 2019-11-14 2020-05-14 Device End of Life (EOL)
PCN-2328 2018-04-12 2018-10-12 Device End of Life for tray packaging only


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