ITEM NAME:CD74HC4067 High Speed CMOS 16 Channel Analog Digital Multiplexer Module #gib Store Home Promotion Hot Item Add to Fav.Smart Electronics CD74HC4067 High Speed CMOS 16 Channel Analog Digital Multiplexer Breakout Module Board. This is a break switch for the very handy 16-Channel Analog / Digital Multiplexer / De-multiplexer CD74HC4067.