Single port MHL 3.0/HDMI 2.0 4K 60 FPS Tx with HDCP 2.2 support

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Lattice Semiconductor (formerly Silicon Image) SII9678CNUC Single port MHL 3.0/HDMI 2.0 4K 60 FPS Tx with HDCP 2.2 support.
The SiI9678 HDMI/MHL 3 transmitter is a High Definition Multimedia Interface (HDMI) and Mobile High-definition Link (MHL) 3 dual-mode transmitter. This transmitter supports HDMI 1.4 and MHL3 Specification on a wide range of BD/STB products.
The SiI9678 HDMI/MHL3 transmitter provides a complete solution for transmitting ultra-high resolution (such as WQXGA, QSXGA and 4K x 2K) with HDCP encryption. The SiI9678 transmitter can support HDMI output with HDCP 1.x encryption or HDCP 2.2 encryption, and support MHL 3 output with HDCP 2.2 encryption.
NDA required for DOC release. HDCP license required for kit and IC purchase. Please contact us for more information - (877) 466-9722.

Customers interested in this product must have an HDCP license in order to purchase. 

Your company name must be listed on the following website:

If not, we will not be able to fulfill this order.

For more information on how to obtain an HDCP License, please go to the Digital Content Protection website - or contact us at 866-506-8829

  • BLU-RAY Players
  • A/V Receivers
  • Set-Top Boxes
  • Home Theater In A Box


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