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The SLIFHDMIT21TM28 provides a complete single-link HDMI transmitter function complies with HDMI specification version 2.1. The SLIFHDMIT21TM28 consists of two modules, a physical layer (SLIPHDT) and a link module (SLISHDMI15T).

The PHY is upper compatible with DVI transmitter, and implemented as a hard IP based on an TSMC 28nm HPC+ process, while the link module is implemented as a synthesizable soft IP. Built-in High-bandwidth Digital Content Protection (HDCP) cipher function protects the transmission of audiovisual contents.

Click here to view the HDMI(Ver2.1) Receiver IP for TSMC 28nm Process


  • HDMI version 2.1 compliant transmitter
  • Supports CTA-861G/VESA DMT
  • Supports Dynamic HDR, FRL, VRR and Fast Vactive
  • Wide range channel speed up to 12Gbps
  • HDCP revision 1.4/2.3 compliant content protection
  • Programmable PLL characteristics, transmitter swing
  • voltage, and pre-emphasis
  • Small ISI jitter by full differential data path
  • TSMC 28nm HPC+ process
  • 0.9V/1.8V power supply

Block Diagram

Tech Specs

Geometry nm28
Target Process NodeTSMC 28 HPC+


  • Fully compatible with HDMI version 2.1 transmitter
  • HDMI1.4b/HDMI2.0b/HDMI2.1 Compliant (Support FRL(Fixed Rate Link)/ EM(Extended Metadata)packet), 3Lane(3Gbps/6Gbps)/4Lane(6Gbps/8Gbps)
  • HDCP1.4/HDCP2.2
  • CTA-861G(Max 8K30Hz Size)/VESA DMT
  • Band width : 250Mbps}12Gbps/ch
  • VRR(Variable Refresh Rate)
  • Fast Vactive,
  • Dynamic HDR
  • Color Space : ITU-R BT.601/709/2020 Non Const/RGB Full/ RGB Limit/xvYCC Convert

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