MC74HC51 - 2-Wide / 2-Input/2-Wide / 3-Input AND-NOR Gates
MOTOROLA SEMICONDUCTOR TECHNICAL DATA 2-Wide, 2-Input/2-Wide, 3-Input AND-NOR Gates MC74HC51 High Performance Silicon Gate CMOS The MC74HC51 is identical in pinout to the LS51.
The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs.
Output Drive Capability: 10 LSTTL Loads Outputs Directly Interface to CMOS, NMOS, and TTL Operating Voltage Range: 2 to