Dual Mode DisplayPort™ 2×2 Crosspoint Switch with DP and TMDS Outputs

The PS8325 is a crosspoint switch for DisplayPort video interface applications. The device accepts two dual mode DisplayPort inputs, and provides one dual mode DisplayPort output and one TMDS output for HDMI™ or DVI support. Both inputs and both output can be active simultaneously; input to output signal routing is pin selectable. Output of HDMI or DVI is supported by an internal level shifter as per the VESA® DisplayPort Interoperability Specification.

PS8325 Web block rev 1

Features

  • Automatic input equalizer compensates for PCB, cable and connector losses
    DisplayPort output supports Link Training with sink device through AUX snooping
    Integrated level shifter for TMDS output supports HDMI/DVI from dual mode DisplayPort source
  • Automatic power management
  • Device control through I2C or pin select options
  • Single 3.3V power supply
  • 72 pin 11x5mm TQFN package

System Uses

  • 2×2 crosspoint switch
  • 2:1 multiplexer with DP or HDMI/DVI output
  • 1:2 demultiplexer with one DP and one HDMI/DVI output, with automatic port switching
  • 2x 1:1 dual repeater: dual mode DP to dual mode DP, and dual mode DP to HDMI/DVI

System Applications

  • Dual GPU motherboard configurations
  • Notebook docking stations