Texas Instruments TMDS442

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. each input or output port contains one 5-v power indicator (5v_pwr) one hot plug detector (hpd) a pair of i2c interface signals (scl/sda) and four tmds channels supporting data rates up to 2.25 gbps. view all in datasheet