SN74HCS20QPWRQ1屬于集成電路（IC）的門反相器。由美國德州儀器公司制造生產(chǎn)的SN74HCS20QPWRQ1門和反相器邏輯柵極和逆變器系列中的產(chǎn)品對單個邏輯信號執(zhí)行基本邏輯運算（例如 AND、NOT、OR 等）。與觸發(fā)器不同，它們不能夠存儲信息，不會對提供給其輸入的信號立即做出響應(yīng)。雖然早就被集成電路實施形式所取代，以用于實現(xiàn)復(fù)雜功能，但分立柵極仍可在僅需要非常簡單邏輯功能的情況下使用。

1 Features

1? AEC-Q100 Qualified for automotive applications:

– Device temperature grade 1: –40°C to +125°C,

TA

– Device HBM ESD Classification Level 2

– Device CDM ESD Classifcation Level C6

? 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

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.