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SN54HC21 Datasheet Dual 4-input Positive-and Gates

Manufacturer: Texas Instruments

Overview: SN74HC21, SN54HC21 SCLS087F – DECEMBER 1982 – REVISED JUNE 2021 SNx4HC21 Dual 4-Input AND Gates.

General Description

This device contains two independent 4-input AND gates.

Each gate performs the Boolean function Y = A ● B ● C ● D in positive logic.

Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) SN74HC21D SOIC (14) 8.70 mm × 3.90 mm SN74HC21N PDIP (14) 19.30 mm × 6.40 mm SN74HC21NS SO (14) 10.20 mm × 5.30 mm SN74HC21PW TSSOP (14) 5.00 mm × 4.40 mm SN54HC21J CDIP (14) 21.30 mm × 7.60 mm SN54HC21FK LCCC (20) 8.90 mm × 8.90 mm (1) For all available packages, see the orderable addendum at the end of the data sheet.

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
SN54HC20 Dual 4-Input NAND Gates
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SN54HC20W Dual 4-Input NAND Gates
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SN54HC244 Octal Buffers and Line Drivers
SN54HC245 Octal Bus Transceivers
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