SN74HCS20DR.A中文资料德州仪器数据手册PDF规格书

1 Features

1• 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 two independent 4-input NAND

gates with Schmitt-trigger inputs. Each gate performs

the Boolean function Y = A ● B ● C ● D in positive

logic.