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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 5 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.