1:2 HDMI/DVI Demultiplexer for Source Device

PS8222 integrates a 1-to-2 HDMI/DVI De-multiplexer that supports HDMI 1.4b or DVI display interfaces.  It it similar to the PS8223, except that the PS8222 defaults to the use of an active buffer in the DDC signaling mux (reprogrammable via I2C control mode).

PS8222 Web Block

Key Features

  • Compliant with HDMI 1.4b specification up to 3.0 Gbps
  • The TMDS data and clock input can be either AC or DC terminated, enabling use in level shifter / repeater applications
  • Programmable equalization and transmitter pre-emphasis to compensate PCB, connector, and cable losses
  • Integrated 50 ohm input termination
  • Low Intra-pair and Inter-pair skew
  • DDC signal mux is 5V tolerant, includes passive switch and active buffer options
    • Default setting is active buffer mode
    • For default setting of passive switch mode, refer to the PS8223
  • Device pin or I2C Bus control for flexible feature selection and host interface
  • Single 3.3V power supply (PS8222B) or dual 3.3V and 1.5V supplies (PS8222A)
  • Low power consumption
  • 6.5mm x 4.5mm 46 pin QFN RoHS Package
  • 0°C to 70°C Operating Temperature Range
  • ESD: Human Body Mode at 8 kV


  • PC or Tablet motherboard
  • Graphics Card
  • HDMI/DVI display interfaces directly from a Dual-Mode DisplayPort (DP++) Source Device
  • Docking Station
  • Digital Set-Top-Box
  • 1-to-2  HDMI/DVI Switch Box