• 74139 2-to-4 Line Decoder


The 74139 (common variants 74LS139, 74HC139) is a dual 2-to-4-line decoder/demultiplexer in the 7400 series. Each side of the chip is a decoder with an active low enable from a 2-bit address to four active low signals. The two decoders can be wired independently, or a /Y from one decoders can be wired to the /E on the other to calculate more complex combinational logic functions.


  • ·         Two Independent Two-of-Four Decoders Based Upon the Select Inputs
  • ·         Inputs Clamped with Schottky Diodes
  • ·         Designed for Memory Decoders and Data Transmission Systems
  • ·         Operating Temperature up to 70oC
  • ·         Standard TTL Switching Voltages

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74139 2-to-4 Line Decoder

  • Product Code: 74139
  • Availability: In Stock
  • Rs38.91

  • Ex Tax: Rs38.91

Tags: 74139 2-to-4 Line Decoder