SN74HC21D - Texas Instruments

Manufacturer Part Number

SN74HC21D

Manufacturer

Texas Instruments

Introduction

The SN74HC21D is a dual 4-input AND gate logic chip that operates with a 2V to 6V supply, suitable for various digital logic applications.

Product Features and Performance

Dual 4-input AND gate logic configuration

Supply Voltage range 2V to 6V

Low quiescent current: 2µA maximum

High output current: 5.2mA for both high and low states

Acceptable input logic level: Low 0.5V to 1.8V, High 1.5V to 4.2V

Maximum Propagation Delay: 19ns at 6V, 50pF

Operating temperature range: -40°C to 85°C

Mounting Type: Surface Mount

Package type: 14-SOIC

Product Advantages

Low power consumption enhances battery life in portable applications

Compatibility with a wide range of supply voltages provides flexibility in circuit design

Fast propagation delay supports high-speed operations

Key Technical Parameters

Supply Voltage: 2V ~ 6V

Quiescent Current: 2 µA

Output Current High, Low: 5.2 mA

Input Logic Level Low: 0.5V ~ 1.8V

Input Logic Level High: 1.5V ~ 4.2V

Max Propagation Delay: 19ns at 6V, 50pF

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Operates reliably over an extended temperature range of -40°C to 85°C

Compatibility

Compatible with other logic families within the 2V to 6V supply range

Application Areas

Digital logic circuits

Embedded systems

Consumer electronics

Automation systems

Product Lifecycle

Discontinued at Digi-Key

Potential for availability through other suppliers or need for identifying replacement or upgrade models

Several Key Reasons to Choose This Product

Excellent fit for low power consumption requirements

Versatile voltage operation suitable for various digital systems

Fast response time conducive for high-speed operations

Wide operating temperature range assures performance under extreme conditions

High reliability and robust package (14-SOIC) suitable for compact circuit designs