Datasheet Summary
SN74HC27, SN54HC27
SCLS088E
- DECEMBER 1982
- REVISED JUNE 2021
SNx4HC27 Triple 3-Input NOR Gates
1 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 pared to LSTTL logic ICs
2 Applications
- Alarm / tamper detect circuit
- S-R latch
3 Description
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...