CT851 Series DC Input 4-Pin Phototransistor Optoco.
CT851 - Phototransistor Optocoupler
ACT8510 - 64-Channel Analog Multiplexer
ACT8513 - 48-Channel Analog Multiplexer
ACT8511 - 64-Channel Analog Multiplexer
ACT8512 - 48-Channel Analog Multiplexer