HDMI/DVI Level Shifter for AC Coupled Source Device

The PS8171, and PS8171C, is a signal voltage level shifter for HDMI or DVI digital video interface applications. It is designed to be used within source systems that utilize a low-voltage, AC coupled HDMI or DVI transmitter. The PS8171 translates the AC coupled HDMI/DVI signaling into DC coupled outputs compatible with the HDMI/DVI video standards.

Parade PS8171 block diagram


  • Compliant to HDMI 1.3a specification up to 2.25 Gbit/sec per lane
  • Input equalizer compensates for PCB, cable and connector losses
  • Unique EMI reduction feature for HDMI/DVI
  • DDC signal handling includes active buffer or passive switch option
  • Low operating power consumption and automatic power down
  • Single 3.3V power supply
  • 48 pin 7x7mm QFN package, RoHS compliant and Halogen free
  • 0 to 85 deg C operating temperature
  • ESD 8kV HBM, 400V MM, 2kV CDM


  • PC Motherboard
  • Graphics Card
  • Docking Station

Pin Compatibility

  • The PS8171C is pin compatible with the PS8101 (the PS8171C or PS8201 is recommended for new designs)
  • The PS8171 and PS8171C are not pin compatible