SN74HCT138N - Texas Instruments

Manufacturer Part Number

SN74HCT138N

Manufacturer

Texas Instruments

Introduction

The SN74HCT138N is a high-performance, integrated circuit decoder/demultiplexer.

Product Features and Performance

3-line to 8-line decoder/demultiplexer

Compatible with TTL logic levels

Schmitt-trigger inputs for enhanced noise immunity

Can be used as an 8-output demultiplexer by using one of the enable inputs as the data input

Outputs can drive up to 10 LSTTL loads

Demultiplexing capability

Multiple input enable for easy expansion

Product Advantages

Low power consumption

High noise immunity

Multiple input enable for easy expansion

Output drive capability for bus-oriented systems

Key Technical Parameters

Type: Decoder/Demultiplexer

Circuit: 1 x 3:8

Independent Circuits: 1

Current - Output High, Low: 4mA, 4mA

Voltage Supply Source: Single Supply

Voltage - Supply: 4.5V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Mounting Type: Through Hole

Package / Case: 16-DIP (0.300", 7.62mm)

Supplier Device Package: 16-PDIP

Base Product Number: 74HCT138

Quality and Safety Features

Operates from -40°C to 85°C for use in harsh environments

Compatibility

Optimized for 5V power supply

Application Areas

Industrial control systems

Data multiplexing

Address decoding for memory modules

Instrumentation

Computer motherboards

Product Lifecycle

Active (check for the latest status updates for possible discontinuation or availability of replacements or upgrades)

Several Key Reasons to Choose This Product

Reliable performance from a trusted manufacturer

Versatile functionality for a wide range of applications

Ease of use with multiple enable inputs and straightforward decoding logic

Robust design suitable for industrial temperature ranges

Reduces complexity and cost in designing control systems

Compatibility with TTL levels allows for integration with a variety of logic families

Provides high noise immunity for stable operation in electrically noisy environments