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74HCT139 Datasheet

Dual 2-to-4 Line Decoder/demultiplexer

Manufacturer: Nexperia

This datasheet includes multiple variants, all published together in a single manufacturer document.

74HCT139 Overview

74HCT139 decodes two binary weighted address inputs (nA0, nA1) to four mutually exclusive outputs (nY0 to nY3).

74HCT139 Key Features

  • Input levels
  • For 74HC139: CMOS level
  • For 74HCT139: TTL level
  • Demultiplexing capability
  • 2 independent 2-to-4 decoders
  • Multifunction capability
  • Suitable for memory decoding, data routing or code conversion
  • plies with JEDEC standard no. 7A
  • Active LOW mutually exclusive outputs
  • ESD protection

74HCT139 Distributor