SN74ALS21ADR - Texas Instruments

Manufacturer Part Number

SN74ALS21ADR

Manufacturer

Texas Instruments

Introduction

The SN74ALS21ADR from Texas Instruments is part of the 74ALS series, and it is designed to perform the logic AND function in digital circuits. This integrated circuit features two individual 4-input AND gates in a single package, making it suitable for a wide range of digital applications.

Product Features and Performance

Dual 4-input AND logic gate

Operates from a supply voltage of 4.5V to 5.5V

Capable of driving up to 400µA high and 8mA low output current

Input logic levels: Low = 0.8V, High = 2V

Maximum propagation delay of 15ns at 5V and 50pF load

Operating temperature range from 0°C to 70°C

Surface mount device in a 14-pin SOIC package

Product Advantages

High input impedance reduces loading on previous stages

Low propagation delay enhances performance in high-frequency applications

Support for a standard operating voltage range compatible with TTL logic levels

Compact surface mount package saves PCB space

Key Technical Parameters

Supply Voltage: 4.5V ~ 5.5V

Output Current: High 400µA, Low 8mA

Input Logic Level: Low 0.8V, High 2V

Propagation Delay: 15ns @ 5V, 50pF

Operating Temperature: 0°C ~ 70°C

Package: 14-SOIC

Quality and Safety Features

Manufactured by Texas Instruments, known for its commitment to high-quality and reliable semiconductor products

Compliance with industry safety and quality standards

Compatibility

Compatible with TTL and CMOS logic levels

Can be interfaced with a broad range of digital circuits due to its standard operating voltage and logic levels

Application Areas

Digital signal processing

Logic circuit design

Timing circuits

High-speed digital systems

Complex logic functions implementation

Product Lifecycle

The product status is Active

Not currently near discontinuation, ensuring availability for future projects

Texas Instruments typically provides support for lifecycle management, including notifications of any future discontinuation and options for replacements or upgrades

Several Key Reasons to Choose This Product

High functionality with dual 4-input AND gates in one integrated circuit promotes circuit simplicity

Low power consumption suitable for battery-operated devices

Fast propagation delay enhances throughput in digital systems

The reliability and quality assurance from Texas Instruments

Versatile application range covering various aspects of digital electronics

Ready availability and ongoing support, making it a safe choice for long-term projects