SN74LS21D - Texas Instruments

Manufacturer Part Number

SN74LS21D

Manufacturer

Texas Instruments

Introduction

Integrated circuit (IC) logic gate

Belongs to the 74LS series

Product Features and Performance

Dual 4-input positive-AND gate

Operates on a single 5V power supply

Propagation delay of 20ns at 5V with 15pF load capacitance

Capable of sinking up to 8mA and sourcing up to 400µA

Product Advantages

High noise immunity

High fanout

Wide operating voltage range

Excellent temperature stability

Key Technical Parameters

RoHS3 compliant

14-pin SOIC (Small Outline Integrated Circuit) package

Surface mount package

Operating temperature range of 0°C to 70°C

Input logic low level of 0.8V, input logic high level of 2V

Quality and Safety Features

Manufactured to high quality standards by Texas Instruments

Compliant with RoHS3 directive

Compatibility

Suitable for use in a variety of digital logic circuits and systems

Application Areas

Commonly used in digital logic circuits, computers, and electronic devices

Ideal for implementing AND logic functions

Product Lifecycle

Still actively manufactured and available

Replacement or upgrade options may be available from Texas Instruments or other IC manufacturers

Several Key Reasons to Choose This Product

Reliable and high-quality design from a trusted manufacturer

Wide operating voltage range and temperature stability

Fast propagation delay for efficient digital logic operations

RoHS3 compliance for use in modern electronic devices

Availability of replacement and upgrade options

Suitability for a wide range of digital logic applications