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SN74HC27 - Triple 3-Input NOR Gates

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General 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 (14) 19.30 mm × 6.40 mm SN74HC27NSR SO (14) 10.20 mm × 5.30 mm SN54HC27JR CDIP (14) 21.30 mm × 7.60 mm SN54HC27WR CFP (14) 9.20 mm × 6.29 mm SN54HC27FKR LCCC (20) 8.90 mm × 8.90 mm (1) For all available packages, see the orderable addendum at the end of the data sheet.

Overview

SN74HC27, SN54HC27 SCLS088E – DECEMBER 1982 – REVISED JUNE 2021 SNx4HC27 Triple 3-Input NOR Gates.

Key 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.

More Datasheets from Texas Instruments

Part Number Description
SN74HC273 Octal D-Type Flip-Flops
SN74HC273-Q1 Octal D-Type Flip-Flop
SN74HC273D Octal D-Type Flip-Flops
SN74HC273J Octal D-Type Flip-Flops
SN74HC273N Octal D-Type Flip-Flops
SN74HC20 Dual 4-Input NAND Gates
SN74HC20D Dual 4-Input NAND Gates
SN74HC20N Dual 4-Input NAND Gates
SN74HC21 DUAL 4-INPUT POSITIVE-AND GATES
SN74HC21-Q1 DUAL 4-INPUT POSITIVE-AND GATES