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74VHC139 Datasheet Dual 2-to-4 Decoder/demultiplexer

Manufacturer: Fairchild (now onsemi)

Overview: 74VHC139 Dual 2-to-4 Decoder/Demultiplexer November 1992 Revised April 1999 74VHC139 Dual 2-to-4 Decoder/Demultiplexer.

General Description

The VHC139 is an advanced high speed CMOS Dual 2-to4 Decoder/Demultiplexer fabricated with silicon gate CMOS technology.

It achieves the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation.

The active LOW enable input can be used for gating or it can be used as a data input for demultiplexing applications.

Key Features

  • s High Speed: tPD = 5.0 ns (typ) at TA = 25°C s Low power dissipation: ICC = 4 µA (Max. ) at TA = 25°C s High noise immunity: VNIH = VNIL = 28% VCC (Min. ) s Power down protection is provided on all inputs s Pin and function compatible with 74HC139 Ordering Code: Order Number 74VHC139M 74VHC139SJ 74VHC139MTC 74VHC139N Package Number Package.

74VHC139 Distributor