SN74LS90DR - Texas Instruments

Manufacturer Part Number

SN74LS90DR

Manufacturer

Texas Instruments

Introduction

Digital decade counter IC for counting and dividing applications in electronic circuits.

Product Features and Performance

Decade counter with 4 bits

Asynchronous reset feature

Capable of counting at speeds up to 42 MHz

Triggered on the negative edge for increased precision

Operates from a standard 5V power supply

Compatible with TTL logic levels

Single count line input for easy device expansion

Product Advantages

High-speed performance for real-time counting operations

Low power consumption due to LS (Low Power Schottky) technology

Enhanced reliability with asynchronous reset functionality

Suitable for multiple electronic applications due to versatile counting capability

Key Technical Parameters

Count Rate: 42 MHz

Voltage - Supply: 4.75 V to 5.25 V

Operating Temperature: 0°C to 70°C

Number of Elements: 1

Bits per Element: 4

Mounting Type: Surface Mount

Quality and Safety Features

Manufactured to comply with industry-standard quality control procedures

Operating within specified temperature range ensures stability and longevity

Compatibility

Designed to be compatible with TTL logic level systems

14-SOIC package for straightforward PCB integration

Application Areas

Digital clocks and timers

Frequency division applications

Digital counters in consumer electronics

Industrial process control systems

Product Lifecycle

Product Status: Active

Not currently near discontinuation with available replacements and potential upgrades

Several Key Reasons to Choose This Product

Reliable operation provided by a trusted manufacturer, Texas Instruments

High count frequency suitable for high-speed digital systems

Easy to integrate with other logic components in complex systems

Widely recognized and used 74LS series with assured longevity in the market

Tape and Reel packaging option facilitates automated manufacturing processes