Diodes Incorporated
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PI3HDMI412FT-B (Obsolete)

1:2 HDMI DeMux for Source Applications with 5.4Gbps BW

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The PI3HDMI series of switch circuits are targeted for high-resolution video networks that are based
on DVI/HDMI™ standards, and TMDS signal processing. The PI3HDMI412FT-B is an 8- to 4-Channel Mux/DeMux Switch. The device multiplexes differential signals to one of twocorresponding outputs. The switch is bidirectional and offers little or no attenuation of the high-speed signals at the outputs. It is designed for low bit-to-bit skew and high channel-to-channel noise isolation. The high bandwidth provides the resolution required by the next generation HDTV and PC graphics. Three differential channels are used for data (video signals for DVI or audio/video signals for HDMI), and one differential channel is used for Clock for decoding the TMDS signals at the outputs. Because of its passive bidirectional feature, this switch can be used either at the video drivers side or at the receiver side. For PC graphics applications, the device sits at the drivers side to switch between multiple display units such as LCD monitor, projector, TV, etc. For consumer video applications, the device sits at the receiver end to switch between the source components such as
DVD, D-VHS, STB, etc.


  • 4-Differential Channel 2:1 Mux/DeMux
  • HDMITM 1.4 compatible
  • High Bandwidth: 2.7GHz @-3dB BW
  • Supports both AC coupled and DC coupled signals
  • Switching speed: 4ns
  • Isolation: -40dB @ 2.0 Gbps
  • Crosstalk: -31dB @ 2.0 Gbps
  • ESD: Data bits @ 8kV contact, select bit @ 2kV HBM
  • Low bit-to-bit skew
  • Enable/Disable Time: 9ns
  • Bidirectional
  • Packaging (Pb-free & Green):
  • — 42-pin TQFN (ZH42)

Product Specifications

Product Parameters

Compliance(Only Automotive supports PPAP) Standard
Configuration 4-Differential 1:2
Differential Channels 4
HotInsertion 0
Lanes N/A
OtherFeatures N/A
RailToRail 0
Signal Type Differential
Single Ended Channels N/A
Voltage 3.3, 1.5

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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)
PCN-2328 2018-04-12 2018-10-12 Device End of Life for tray packaging only


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