SN74HCT00N

Updated: 2026-07-22

Overview

The SN74HCT00N is a widely used quad 2-input NAND gate integrated circuit manufactured by Texas Instruments. It belongs to the HCT (High-speed CMOS with TTL compatibility) family, making it suitable for interfacing between CMOS and TTL logic levels. This IC is designed for high-speed digital logic applications, offering reliable performance in industrial, automotive, and consumer electronics. The SN74HCT00N is housed in a 14-pin DIP (Dual In-line Package), which is easy to handle and integrate into breadboards or PCBs. Its robust design ensures stable operation across a wide temperature range, making it a preferred choice for engineers and designers working on digital systems.

Structure and Working Principle

The SN74HCT00N consists of four independent 2-input NAND gates within a single chip. Each gate performs the logical NAND operation, which outputs a low signal only when both inputs are high. The internal circuitry uses CMOS technology, ensuring low power consumption while maintaining high-speed operation. The IC operates within a supply voltage range of 4.5V to 5.5V, making it compatible with standard 5V logic systems. The input pins are designed to accept TTL-level signals, allowing seamless integration with older TTL-based systems. The output pins provide sufficient drive capability to interface with other logic gates or digital components.

Key Features

The SN74HCT00N offers several key features that make it a versatile choice for digital logic applications. It provides high-speed switching with typical propagation delays of around 13 ns, ensuring efficient performance in time-critical circuits. The IC also features low power consumption, drawing minimal current in both static and dynamic operation modes. Another notable feature is its robust noise immunity, which prevents false triggering in electrically noisy environments. The SN74HCT00N is also designed to withstand latch-up conditions, enhancing its reliability in harsh operating conditions. These features collectively make it a dependable component for a wide range of digital systems.

Application Areas

The SN74HCT00N is commonly used in various digital logic applications, including industrial automation, automotive electronics, and consumer devices. It serves as a fundamental building block in circuits requiring logical operations, such as arithmetic units, control systems, and data processing modules. In industrial settings, the IC is often employed in programmable logic controllers (PLCs) and sensor interfaces. Automotive applications include engine control units and infotainment systems. Consumer electronics like gaming consoles and home automation systems also utilize the SN74HCT00N for its reliability and performance.

Maintenance and Precautions

Proper handling and maintenance of the SN74HCT00N are essential to ensure its longevity and performance. Always use anti-static precautions when handling the IC, as static discharge can damage the sensitive CMOS circuitry. Store the components in a dry, static-free environment to prevent moisture absorption and electrostatic damage. When designing circuits, ensure that the supply voltage does not exceed the specified range (4.5V to 5.5V). Overvoltage conditions can lead to permanent damage. Additionally, avoid floating input pins, as they can cause unpredictable behavior and increase power consumption. Proper decoupling capacitors should be used near the power supply pins to stabilize voltage levels.

B2B Procurement Guide

For B2B buyers, the SN74HCT00N is available through authorized distributors and direct purchasing channels from Texas Instruments. Bulk pricing is typically offered for orders exceeding certain quantities, making it cost-effective for large-scale production. Always verify the authenticity of the supplier to avoid counterfeit components. When procuring, consider the package type (DIP, SOIC, etc.) based on your assembly requirements. Lead times can vary depending on market demand, so plan your inventory accordingly. For custom requirements, such as specific reel sizes or tape-and-reel packaging, consult with the supplier to ensure compatibility with your manufacturing process.