CD74HC21M - Texas Instruments

Manufacturer Part Number

CD74HC21M

Manufacturer

Texas Instruments

Introduction

The CD74HC21M is part of Texas Instruments' 74HC series, designed for logic operations, specifically functioning as an AND Gate.

Product Features and Performance

Logic Type: AND Gate with dual circuits

Number of Inputs: 4 inputs per circuit

Supports a wide voltage supply range from 2V to 6V

Low quiescent current maxing out at 2 µA, optimizing energy consumption

Capable of delivering output current high and low both at 5.2mA

Adaptable to various input logic levels; Low: 0.5V ~ 1.8V, High: 1.5V ~ 4.2V

Features a maximum propagation delay of 19ns at 6V, 50pF, ensuring quick response times

Operating temperature range is broad, spanning from -55°C to 125°C, suitable for harsh environments

Product Advantages

High noise immunity and low power consumption

Wide operating voltage range catering to diverse application needs

The dual AND Gate feature allows for complex logic functions within a single chip

Robust operating temperature range making it suitable for industrial-grade applications

Key Technical Parameters

Voltage Supply: 2V ~ 6V

Current Quiescent (Max): 2 µA

Current Output High, Low: 5.2mA

Input Logic Level Low: 0.5V ~ 1.8V

Input Logic Level High: 1.5V ~ 4.2V

Max Propagation Delay @ V, Max CL: 19ns @ 6V, 50pF

Operating Temperature: -55°C ~ 125°C

Mounting Type: Surface Mount

Supplier Device Package: 14-SOIC

Package / Case: 14-SOIC

Quality and Safety Features

Manufactured by Texas Instruments, a reputable supplier in the semiconductor industry, ensuring reliability and performance.

Compatibility

Designed for surface mount applications, compatible with 14-SOIC package requirements.

Application Areas

Widely used in digital signal processing, computing, industrial control systems, and any logic circuit application requiring AND gate operations.

Product Lifecycle

Discontinued at Digi-Key, suggesting the need to look for replacements or upgrades for long-term projects.

Several Key Reasons to Choose This Product

Reliable performance and quality from Texas Instruments

Low power consumption paired with high noise immunity

Flexible operating conditions with a wide voltage supply range and robust temperature tolerance

Ideal for complex logic operations with dual AND Gate functionality

Despite its discontinuation at Digi-Key, its performance characteristics make it suitable for a variety of applications needing AND gate logic operations.