MM54HCT688 Datasheet (National Semiconductor)

MM54HCT688, 8-Bit Magnitude Comparator

This equality detector utilizes advanced silicon-gate CMOS technology to compare bit for bit two 8-bit words and indicate whether or not they are equal The PeQ output indicates equality when it is low A single active low enable is provided to facilitate cascading of several packages and enable compa

MM54HCT688 Features

* Y TTL input compatible Y Typical propagation delay 20 ns Y Low quiescent current 80 mA maximum (74HCT Series) Y Large output current 4 mA Y Same as HCT521 Logic Diagrams C1995 National Semiconductor Corporation TL F 5371 TL F 5371

* 2 RRD-B30M105 Printed in U S A Absolute Maximum Ratings