DM74LS155N - onsemi

Manufacturer Part Number

DM74LS155N

Manufacturer

onsemi

Introduction

The DM74LS155N is a dual 1-of-4 decoder/demultiplexer designed for use in digital systems where logic signal switching, specifically addressing and decoding, is required.

Product Features and Performance

Dual 1-to-4 decoder/demultiplexer

Operates from a single power supply

High fan-out and drive capability

Designed for high-speed operations

TTL (Transistor-Transistor Logic) compatible

Typically used in memory chip select logic

Product Advantages

Facilitates decoding and multiplexing in digital circuits

Efficient implementation in systems with limited signal lines

Reduces the complexity of control logic

Key Technical Parameters

Circuit configuration: 1 x 2:4

Independent Circuits: 2

Current - Output High, Low: 400µA, 8mA

Voltage Supply Source: Single Supply

Voltage - Supply Range: 4.75V ~ 5.25V

Operating Temperature Range: 0°C ~ 70°C

Package / Case: 24-DIP (0.600", 15.24mm)

Quality and Safety Features

Designed for standard operating conditions

Complies with applicable industry standards for safety and reliability

Manufactured by onsemi, a reputable semiconductor company

Compatibility

Works with TTL level signals

Compatible with 24-pin DIP socket or through-hole PCB layout

Application Areas

Multiple applications in digital electronics

Memory selection for computers

Data routing in communication systems

Control systems

Industrial electronics

Product Lifecycle

Status: Obsolete

Replacements or upgrades may need to be sourced from different part series or manufacturers

Several Key Reasons to Choose This Product

Simplifies complex logic designs by handling multiple input signals

Highly reliable within its operating temperature range

Renowned manufacturer with a track record of quality in the semiconductor industry

Can be used in a wide array of applications which require logic signal switching

Good performance for legacy systems maintenance or educational purposes