1 Features

• Wide operating voltage range: 2 V to 6 V

• Schmitt-trigger inputs allow for slow or noisy input

signals

• Low power consumption

– Typical ICC of 100 nA

– Typical input leakage current of ±100 nA

• ±7.8-mA output drive at 6 V

• Extended ambient temperature range: –40°C to

+125°C, TA

2 Applications

• Alarm / tamper detect circuit

• S-R latch

3 Description

This device contains four independent 2-input NOR

Gates with Schmitt-trigger inputs. Each gate performs

the Boolean function Y = A + B in positive logic.