The SN74HC21D is a logic gate integrated circuit from Texas Instruments, renowned for its high-quality semiconductor products. This particular chip is part of the 74HC series, which are high-speed CMOS devices designed to operate with the same functionality as their older TTL counterparts, but with the added benefits of lower power consumption and higher speeds.

Key Features

• Logic Type: Dual 4-Input AND Gate
• Operating Voltage: 2 V to 6 V
• Output Current: ±4 mA
• Package: SOIC-14
• Propagation Delay Time: 13 ns at 4.5 V
• Operating Temperature Range: -40°C to +85°C

Product Overview

The SN74HC21D features two individual 4-input AND gates in a single chip, allowing for the combination of multiple input signals to produce a single output. It is commonly used in various digital applications where logic level combinations are required, such as in computer systems, data processing, and other electronic systems that require decision-making circuitry.

This device is fabricated with high-speed CMOS technology which ensures minimal power dissipation and high noise immunity. The wide operating voltage range makes it suitable for interfacing with both TTL and CMOS logic levels, and its balanced propagation delays make it ideal for use in high-speed systems.

Encased in a slim SOIC-14 package, the SN74HC21D is designed for optimized board space and is easy to integrate into a variety of circuit designs. It also features a wide operating temperature range, making it reliable for use in industrial environments.

Applications

• Logic level translation
• Signal gating
• Function generation
• Complex logic circuit implementation

With its robust design and versatile functionality, the SN74HC21D from Texas Instruments is a staple component for designers looking to create complex logic circuits with reliability and precision.