1 Features

? Buffered inputs

? Wide operating voltage range: 2 V to 6 V

? Wide operating temperature range:

–40°C to +85°C

? Supports fanout up to 10 LSTTL loads

? Significant power reduction compared to LSTTL

logic ICs

2 Applications

? Alarm / tamper detect circuit

? S-R latch

3 Description

This device contains four independent 2-input NOR

gates. Each gate performs the Boolean function

Y = A + B in positive logic.