74LVC1G3157 2-Channel Analog MUX/DEMUX Nexperia 74LVC1G3157 2-Channel Analog Multiplexer/Demultiplexer offers one digital select input (S), two independent inputs/outputs (Y0, Y1), and a common input/output (Z). Schmitt-trigger action at the select input makes the Nexperia 74LVC1G3157 2-channel Analog Multiplexer/Demultiplexer tolerant of slower input rise and fall times across the entire VCC range from 1.65V to 5.5V.