74HC85 (4-bit Magnitude Comparator) 3144 Installation of the Sensor is

Installation of the Sensor is also the simple task

and exquisite workmanship

High Level Voltage: 4

Up to 15mA Output Sink on All I/Os

Black:  Ground

74HC85 (4-bit Magnitude Comparator) 3144 Installation of the Sensor isIntroduction : 74HC85 is a 4 bit magnitude comparator that can be expanded to almost any length. They perform comparison of two 4 bit binary, BCD or other monotonic codes and present the three possible magnitude results at the outputs (QA>B, QA=B and QA<B). The 4 bit inputs are weighted (A0 to A3 and B0 to B3), where A3 and B3 are the most significant bits. For proper compare operation the expander inputs (IA>B, IA=B and IA<B)to the least significant