Product Overview: 74HCT21D by NXP Semiconductors

The 74HCT21D is a high-speed Si-gate CMOS device that is pin compatible with Low-power Schottky TTL (LSTTL). Manufactured by NXP Semiconductors, a leading name in the industry, the 74HCT21D is part of the 74HCT family of logic devices, known for their robust performance and compatibility with TTL-level logic signals.

Key Features

• Logic Type: The device is a dual 4-input AND gate, providing the essential logic function where an output HIGH signal is achieved only when all the input signals are HIGH.
• Supply Voltage Range: It operates on a supply voltage range of 4.5V to 5.5V, making it suitable for interfacing with 5V systems and ensuring compatibility with a wide range of digital circuits.
• High Noise Immunity: The 74HCT21D boasts a high noise immunity level, which is characteristic of CMOS devices, ensuring stable operation even in electrically noisy environments.
• Low Power Consumption: With CMOS technology, it provides low power dissipation yet retains the ability to drive standard TTL loads.
• Output Drive Capability: The device can drive up to 10 LSTTL loads, which ensures that it can be used in various complex circuits without the need for additional buffer components.
• ESD Protection: It includes protection against electrostatic discharge, which enhances the durability and longevity of the device in handling and operational conditions.

Applications

The 74HCT21D is versatile and can be used in a range of applications, including:

• Logic gates functions in computing
• Control systems
• Embedded systems
• Signal processing
• Function generators

Package and Quality

The device is offered in a standard SO-14 package, which is suitable for surface mount technology (SMT). The 74HCT21D is characterized for operation from -40°C to +125°C, providing a wide operating temperature range that suits various industrial and commercial applications. NXP Semiconductors is committed to delivering high-quality products, and the 74HCT21D is no exception, meeting stringent industry standards for performance and reliability.

With its combination of features, the 74HCT21D from NXP is an excellent choice for designers looking for a reliable dual 4-input AND gate logic component.