SN74LS540DWR - Texas Instruments

Manufacturer Part Number

SN74LS540DWR

Manufacturer

Texas Instruments

Introduction

The SN74LS540DWR from Texas Instruments is a high-performance, octal buffer and line driver designed for use in memory address drivers, clock drivers, and bus-oriented transmitters/receivers where high sinking capability is required.

Product Features and Performance

Octal buffer and line driver with inverting outputs

Features 3-state outputs for bus-oriented applications

High-current output capability (15mA High, 24mA Low)

Supports 4.75V to 5.25V supply voltage

Operates within 0°C to 70°C temperature range

Surface mount packaging for efficient PCB space utilization

Product Advantages

Offers high drive strength for memory and clock drivers

3-State outputs minimize bus contention and power consumption

Compatible with 5V TTL logic levels for easy integration into existing designs

High performance with robust sinking capability for demanding environments

Key Technical Parameters

Logic Type: Buffer, Inverting

Number of Elements: 1

Number of Bits per Element: 8

Current Output High, Low: 15mA, 24mA

Voltage Supply: 4.75V~5.25V

Operating Temperature: 0°C~70°C

Mounting Type: Surface Mount

Package / Case: 20-SOIC

Quality and Safety Features

Manufactured by Texas Instruments, a leader in semiconductor solutions

Compliant with industry-standard safety and quality norms

Compatibility

Designed for seamless integration with Texas Instruments and other manufacturer's TTL logic devices

Application Areas

Memory address drivers

Clock drivers

High-speed bus transmitters and receivers

Digital signal processing

Product Lifecycle

Status: Active

Not currently nearing discontinuation

Ongoing support and availability of replacements and upgrades

Several Key Reasons to Choose This Product

High-drive output capacity for demanding digital circuits

Low power consumption and high speed for efficient system performance

Texas Instruments' reputation for quality and reliability

Wide operating temperature range suited for various environments

Easy integration into existing systems with 5V logic levels

Surface mount package facilitates efficient PCB design and manufacturing