SN74LS21NSR - Texas Instruments

Manufacturer Part Number

SN74LS21NSR

Manufacturer

Texas Instruments

Introduction

Integrated circuit (IC) that functions as a dual 4-input AND gate

Product Features and Performance

Dual 4-input positive-AND gates

Capable of operating with 4.75V to 5.25V power supply

Low power Schottky TTL technology

High noise immunity

Fast switching speed with maximum propagation delay of 20ns

Product Advantages

Compact surface mount 14-SOIC package

Efficient use of board space

Reliable performance in a wide temperature range of 0°C to 70°C

RoHS3 compliant for environmental responsibility

Key Technical Parameters

Number of Inputs: 4

Number of Circuits: 2

Input Logic Level Low: 0.8V

Input Logic Level High: 2V

Current Output High/Low: 400μA, 8mA

Logic Type: AND Gate

Max Propagation Delay @ 5V, 15pF: 20ns

Quality and Safety Features

Compliant with RoHS3 environmental regulations

Reliable operation within the specified temperature range

Compatibility

Compatible with 74LS series logic family

Suitable for a wide range of digital logic applications

Application Areas

General-purpose digital logic circuitry

Interface and control applications

Computer and industrial automation systems

Product Lifecycle

Active product, not nearing discontinuation

Replacements and upgrades available within the 74LS series

Key Reasons to Choose

High-performance AND gate function in a compact package

Fast switching speed and low power consumption

Reliable operation across a wide temperature range

RoHS3 compliance for environmentally-friendly usage

Compatibility with the widely-used 74LS logic family