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.