CD54HC20F中文資料德州儀器數(shù)據(jù)手冊PDF規(guī)格書

1 Features

? Buffered inputs

? Wide operating voltage range: 2 V to 6 V

? Wide operating temperature range:

-55°C to +125°C

? Supports fanout up to 10 LSTTL loads

? Significant power reduction compared to LSTTL

logic ICs

2 Applications

? Alarm / tamper detect circuit

? S-R latch

3 Description

This device contains two independent 4-input NAND

gates. Each gate performs the Boolean function

Y = A ● B ● C ● D in positive logic.