74HC27 Datasheet - Texas Instruments

74HC27, Triple 3-Input NOR Gates

SN74HC27, SN54HC27 SCLS088E * DECEMBER 1982 * REVISED JUNE 2021 SNx4HC27 Triple 3-Input NOR Gates 1 .
This device contains three independent 3-input NOR gates.

Features

* Buffered inputs
* Wide operating voltage range: 2 V to 6 V
* Wide operating temperature range: -40°C to +85°C
* Supports fanout up to 10 LSTTL loads

Applications

* Alarm / tamper detect circuit

74HC27-etcTI.pdf