SN74LS139AN - Texas Instruments

Manufacturer Part Number

SN74LS139AN

Manufacturer

Texas Instruments

Introduction

The SN74LS139AN is part of the 74LS series logic family, designed for decoding or demultiplexing applications.

Product Features and Performance

1 x 2:4 Decoder/Demultiplexer

Two independent circuits

Able to source or sink currents (400µA High, 8mA Low)

Single power supply operation

Product Advantages

High-level output voltage is maintained across full temperature range

Minimal propagation delay time

Leading-edge glitch-free decoding and demultiplexing

Key Technical Parameters

Supply Voltage: 4.75V to 5.25V

Operating Temperature: 0°C to 70°C

Output Current: High- 400µA, Low- 8mA

Independent Circuits: 2

Circuit: 1 x 2:4 Decoder/Demultiplexer

Quality and Safety Features

Meets or exceeds standard specifications for Logic Signal Switches, Multiplexers, and Decoders

Compatibility

Compatible with multiple types of logic families when within operating voltage range

Writable Using Through Hole Technology

Fits 16-DIP (0.300", 7.62mm) socket

Application Areas

Digital systems for logic level decoding and demultiplexing

Embedded systems

Computing

Signal processing

Telecommunications

Product Lifecycle

Status: Active

Not reported as nearing discontinuation

Replacement and upgrade options generally available within TI's 74LS product line

Several Key Reasons to Choose This Product

Proven reliability and performance from Texas Instruments

Broad operating temperature range suitable for commercial applications

Integration of two independent decoders minimizes footprint for compact designs

Direct compatibility with a wide range of digital systems

Available in user-friendly packaging for hand or automatic insertion