ITEM NAME:16CH Analog Digital MUX Breakout Board CD74HC4067 Precise module Ardui DJO GQM.This is a breakout board for the very handy 16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067. 2PCS CD74HC4067 CMOS 16-Channel Analog Digital Multiplexer Breakout Board. have low “on†resistance and low “off†leakage, and to prevent crosstalk, perform “break-before-make†switching.