SN74LS90N - Texas Instruments

Manufacturer Part Number

SN74LS90N

Manufacturer

Texas Instruments

Introduction

The SN74LS90N is a logic counter/divider from Texas Instruments, designed for sequence counting applications.

Product Features and Performance

Incorporates a 4-bit binary counter

Asynchronous reset feature

Capable of performing decade counting using an external mode control

Operates on negative edge trigger

Supports a count rate of up to 42 MHz

Designed for up counting

Product Advantages

High-speed operation

Reliable asynchronous reset mechanism

Flexibility in counting modes

Easy integration with other logic components due to standard logic levels

Durable and stable performance in a wide range of operating conditions

Key Technical Parameters

Logic Type: Counter, Decade

Direction: Up

Number of Elements: 1

Number of Bits per Element: 4

Reset: Asynchronous

Count Rate: 42 MHz

Trigger Type: Negative Edge

Voltage Supply: 4.75 V ~ 5.25 V

Operating Temperature: 0°C ~ 70°C

Mounting Type: Through Hole

Package / Case: 14-DIP

Quality and Safety Features

Manufactured by Texas Instruments, ensuring high reliability and performance

Operates effectively within a standard temperature range for logic devices

Compatibility

Compatible with other 74LS series logic devices for comprehensive system designs

Through-hole mounting supports a wide range of prototyping and PCB designs

Application Areas

Digital counters and timers

Frequency dividers

Digital clocks

Event counting in embedded systems

Product Lifecycle

Currently in active production with no indication from Texas Instruments regarding discontinuation

Future upgrades or replacements might involve newer logic families for enhanced performance

Several Key Reasons to Choose This Product

High-speed counting capability up to 42 MHz allows for applications requiring fast data processing

The versatility of counting modes (binary and decade) provides flexibility in design

Texas Instruments’ reputation for quality assures reliability and long-term performance

Through-hole package simplifies prototyping and experimentation

Active product status with Texas Instruments ensures ongoing support and availability