SN74F138D - Texas Instruments

Manufacturer Part Number

SN74F138D

Manufacturer

Texas Instruments

Introduction

The SN74F138D is a high-speed 1-of-8 Decoder/Demultiplexer designed for use in high-performance memory decoding or data-routing applications, requiring very short propagation delay times.

Product Features and Performance

Incorporates 3 enable inputs to simplify cascading

Provides high-performance, inverted output decoding

Delivers fast propagation delay times

Facilitates demultiplexing applications with high-speed capability

Suited for memory chip select decoding

Product Advantages

High speed with typical propagation delay significantly lower than similar devices

Low power consumption

Multiple enable inputs offer flexibility in control

Surface Mount 16-SOIC packaging reduces board space

Key Technical Parameters

Circuit configuration: 1 x 3:8

Independent Circuits: 1

Current Output High, Low: 1mA, 20mA

Voltage Supply Source: Single Supply

Voltage Supply: 4.5V ~ 5.5V

Operating Temperature: 0°C ~ 70°C

Mounting Type: Surface Mount

Package / Case: 16-SOIC (0.154", 3.90mm Width)

Base Product Number: 74F138

Quality and Safety Features

Designed and tested for safe operation under standard conditions

Reliable performance within operating temperature range

Compatibility

Compatible with TTL power levels

Surface Mount packaging for use with standard PCB technology

Application Areas

Memory decoders

High-speed microprocessor systems

Data routing applications

Communication systems

Product Lifecycle

Product Status: Last Time Buy

Consider upgrading to newer parts available for continued production needs

Several Key Reasons to Choose This Product

Manufactured by Texas Instruments, a leader in semiconductor solutions

High-speed operation suitable for advanced digital systems

Lower power dissipation compared to similar devices

Easy integration with existing technology due to standard supply voltage levels

Availability in standard SOIC 16 packaging for widespread applicability

Backed by TI's reputation for quality and long-term reliability