Diodes Incorporated
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PI3HDMI336 (Obsolete)

3:1 HDMI 2.5Gbps Switch with I2C control & ARC with ActiveEyeTM

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Product Description

PI3HDMI336 is an I2C configurable active switch using Diodes' new ActiveEyeTM technology to achieve optimized signal integrity for cable or on board transmission. Through I2C interface, system designer can easily program and adjust equalization, emphasis and output swing settings. With integrated DDC channel Mux, Hot Plug Detection De-Mux, cable plug-unplug detection and HDMI 1.4 ARC transmitter, PI3HDMI336 saves GPIO control pins, provides optimized trace routing, and reduces BOM cost.

Programmable TMDS input termination settings helps designers to avoid the compatibility issue caused by non standard HDMI source. Programmable output termination setting supports double termination option between PI3HDMI336 and the HDMI receiver chip. This feature minimizes the reflection caused by improper impedance matching and reduces the signal jitter. PI3HDMI336 is HDMI 1.4 compatible with backward compatibility to the DVI 1.0 standard and can be used for the DP++ application devices.


  • HDMI 1.4 compliant with fast video switch among each ports
  • I2C control 3:1 HDMI active switch Mux with DC coupled or AC coupled Dual mode DisplayPort signals
    • Output will maintain its DC coupled, current steering
    • TMDS compliance input can be AC coupled video or DC coupled
  • 2.5Gbps data rate for TMDS clock up to 250MHz
  • Support up to 36-bits per pixel Deep ColorTM modes
  • Programmable equalizer, emphasis and amplitude settings to achieve optimized HDMI signal integrity
  • Integrated selectable DDC active/ passive switch to connect DDC path
  • Idle clock detection function for output squelch
  • Programmable TMDS termination control
    • TMDS input pull-up 50 Ohm termination, pull-down >120K Ohm resistor when switch is deselected
    • Double terminated TMDS output
  • Integrated ESD protection on I/O pins to connector
    • 8KV contact per IEC61000-4-2, level 3
  • Packaging
    • 64 pin LQFP (FB), Pb-free and Green

Product Specifications

Product Parameters

Channels/In 12
Channels/Out 4
Inputs HDMI
Outputs HDMI
Ports/In 3
Ports/Out 1
Power Supply 3.3
Speed (Gbps) 2.5
Type Active Switch

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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-2602 2023-01-31 2023-07-31 Device End of Life (EOL)


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