DESCRIPTION
●The TMDS442, 4-to-2 port DVI/HDMI switch, allows up to 4 digital video interface (DVI) or high-definition
●multimedia interface (HDMI) ports to be switched to two independent display blocks. The essential requirement of picture-in-picture display from two digital audiovisual sources is having two individual DVI or HDMI receivers in a digital display system. TMDS442 supports two DVI or HDMI receivers to enable multiple-source selection (picture-in-picture), as well as supports acting as a 4-input 1-output video switch.
●FEATURES
●• A 4-to-2 Single-Link or 2-to-1 Dual-Link DVI/HDMI Physical Layer Switch
●• Compatible with HDMI 1.3a
●• Supports 2.25 Gbps Signaling Rate for 480i/p, 720i/p, and 1080i/p Resolutions up to 12-Bit Color Depth
●• Integrated Receiver Terminations
●• 8-dB Receiver Equalizer Compensates for Losses From Standard HDMI Cables
●• Selectable Output De-Emphasis Compensates for Losses From Flat Cables
●• High-Impedance Outputs When Disabled
●• I2C Repeater Isolates Bus Capacitance at Both Ends
●• TMDS Inputs HBM ESD Protection Exceeds 6 kV
●• 3.3-V Supply Operation
●• 128-Pin TQFP Package
●• ROHS Compatible and 260°C Reflow Rated
●APPLICATIONS
●• Digital TV
●• Digital Projector
●• Audio Video Receiver
●• DVI or HDMI Switch
