SN74LS688DWR - Texas Instruments

Manufacturer Part Number

SN74LS688DWR

Manufacturer

Texas Instruments

Introduction

The SN74LS688DWR is a logic comparator that compares two 8-bit binary or BCD words and provides a low output when they are equal.

Product Features and Performance

8-bit identity comparator

Active low output

Implements A=B comparison

Fast propagation delay: 23ns typical at 5V and 45pF

Wide operating voltage range: 4.85V to 5.25V

Designed for 0°C to 70°C operating temperature

Supplied in a 20-SOIC package

Surface mount technology suitable for automated assembly processes

Product Advantages

High precision comparison with 8-bit resolution

Durable and reliable with Texas Instruments' manufacturing standards

Suitable for various temperature ranges, ensuring performance across different environments

Key Technical Parameters

Number of Bits: 8

Output: Active Low (A=B)

Voltage Supply: 4.85V ~ 5.25V

Current Output High, Low: 400µA, 24mA

Max Propagation Delay @ V, Max CL: 23ns @ 5V, 45pF

Quality and Safety Features

Built to Texas Instruments' rigorous quality standards

Lead-free and RoHS compliant for environmental considerations

Compatibility

Compatible with other components in the 74LS series

Usable in various logic systems owing to standard supply voltage levels

Designed for seamless integration with standard SOIC footprint

Application Areas

Industrial electronics

Computing systems

Data comparison circuits

Telecommunications

Test and measurement equipment

Product Lifecycle

Active product status, not nearing discontinuation

Availability of replacements or upgrades within Texas Instruments' 74LS product line

Several Key Reasons to Choose This Product

Precise and reliable comparison of 8-bit words for complex digital systems

Fast response time enhances system performance in high-speed applications

Versatile supply voltage range suitable for standardized logic levels

Robust operating temperature range accommodating varied working environments

Long-term availability secures supply chain for ongoing projects

The reputation of Texas Instruments for manufacturing high-quality electronic components