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DP/HDMI 1:3 De-Multiplexer Switches

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The PI3WVR31310A is a 3:1 Mux or 1:3 Demux high speed passive switch supporting DP 1.2, HDMI 1.4, HDMI 2.0. At DEMUX mode, all three output ports support auto port priority selection by detecting HPD1/2/3 input or manual selection. At MUX mode, HPD1/2/3 will change from input to output, there is no auto port priority selection.


  • Notebook, Monitor, Switch box or TV sink application


  • DP 1:3 De-Mux or 3:1 Mux switch with 4 high speed differential, AUX/DDC, HPD and CAB_DET channels
  • Pin selection for 1:3 DEMUX or 3:1 MUX
  • HDMI 3:1 Mux switch with 4 high speed differential, DDC and HPD channels
  • HDMI-mode only supports HDMI-sink application, not support HDMI-source application.
  • Pin selection for DP mode or HDMI mode
  • All ports support up to DP1.2 at 5.4Gb/s or HDMI 2.0 at 6Gb/s
  • Supports manual switching or HPD auto priority selection in 1:3 DEMUX, in DP mode
  • Low current consumption
  • 3.3V power supply
  • ESD protection on all I/O pins for 2kV HBM
  • Package: 60 pin TQFN (5x9mm)

Product Specifications

Product Specs

Analog or Digital? Analog
Configuration Demux/Mux, 1:3: 4-Differential Channel; Passive Switch
Differential Channels 4
HotInsertion Yes
Lanes 4
OtherFeatures NA
RailToRail No
Signal Type Differential
Single Ended Channels
Type NA
Voltage 3.3V




Quality & Reliability

Technical Documents

Evaluation board

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

Request Documents
Orderable Part Number Status Package Temp Range ℃ Pb (Lead) Free Packing Buy from Distributor /
Contact Sales
Qty. Carrier Samples Material Report (SGS)
PI3WVR31310AZLE Active TQFN-60 -40 to 85 Yes 364 TRAY Samples SGS
PI3WVR31310AZLEX Active TQFN-60 -40 to 85 Yes 3500 T/R Contact Sales Samples SGS


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