MC14419 Overview
MCl~19 2-OF-8 KEYPAD-TO-BINARY ENCODER The MC14419 is designed for phone dialer system applications, but finds many applications as a keypad-to-binary encoder. The device con- tains a 2-of-8 to binary encoder, a strobe generator, and an illegal state detector. The encoder has four row inputs and four column inputs, and is designed to accept inputs from 16 keyswitches arranged in a 4x 4 matrix.