SN74LS139ADR - Texas Instruments

Manufacturer Part Number

SN74LS139ADR

Manufacturer

Texas Instruments

Introduction

The SN74LS139ADR is a dual 1-of-4 decoder/demultiplexer designed for high-speed, low-power logic signal switching.

Product Features and Performance

Integrated two independent 2:4 decoders

High-performance 74LS technology

Low power consumption

Multiple output options: 400µA high, 8mA low

Fast propagation delay

Designed for straightforward circuit implementation

Compatible with TTL interfaces

Product Advantages

Efficient design leads to reduced power usage

Dual independent circuits offer flexibility in application

High fan-out capability

Robust operating temperature range suitable for commercial applications

Key Technical Parameters

Circuit: 1 x 2:4

Independent Circuits: 2

Current Output High, Low: 400µA, 8mA

Voltage Supply Source: Single Supply

Voltage Supply: 4.75V ~ 5.25V

Operating Temperature: 0°C ~ 70°C

Quality and Safety Features

Manufactured by a reputable company with a focus on quality and reliability

Compliance with industry-standard safety protocols

Compatibility

Supports surface mounting technology

Compatible with standard TTL logic levels

Suitable for use in existing 74LS family setups

Application Areas

Digital systems where decoding is necessary

Microprocessor systems

Address decoding

Memory control systems

Product Lifecycle

Currently active and standard lifecycle product

Not indicated to be nearing discontinuation

Alternatives and possible future replacements available within Texas Instruments' portfolio

Several Key Reasons to Choose This Product

Reliable performance in a proven package

Flexibility with dual independent decoder circuits

Low power consumption suitable for power-sensitive applications

Ease of integration with existing technology and systems

Supported by Texas Instruments' extensive technical documentation and customer support

Future-ready with an active product status, indicating ongoing production and support