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74HC27 Datasheet - Texas Instruments

74HC27 Triple 3-Input NOR Gates

This device contains three independent 3-input NOR gates. Each gate performs the Boolean function Y = A + B + C in positive logic. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) SN74HC27DR SOIC (14) 8.70 mm × 3.90 mm SN74HC27DBR SSOP (14) 6.50 mm × 5.30 mm SN74HC27NR PDIP (14.

74HC27 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

* Significant power reduction compared to LSTTL logic ICs 2 Applications

* Alarm / tamper detect circ

74HC27-etcTI.pdf