The TS3DV421 is a four channel differential 2:1 multiplexer/demultiplexer digital video switch controlled by one select input (SEL). This switch has a wide bandwidth of over 3.8 Gbps, low cross talk at -50dB, OFF isolation is -50dB, low bit to bit skew (0.1 nS) and low RON resistance. Some of the applications for this switch are DVI/HDMI signal switching, differential DVI, HDMI signal multiplexing for audio/video receivers and high-definition televisions.