The NXP 74HCT251D is a high-performance, 8-input multiplexer that is part of the 74HCT family of logic devices. This integrated circuit is designed to select one of the eight data inputs to a single output line, making it a versatile component for a wide range of digital applications.

Key Features

• Logic Family: The device is built on the 74HCT (High-speed CMOS) technology which is compatible with TTL levels.
• Input Selection: It features eight input channels, providing the flexibility to choose from multiple data sources.
• Output Enable: The 74HCT251D comes with an output enable function that allows the output to be disconnected from the selected input, thus preventing any potential bus conflict.
• Low Power Consumption: This multiplexer is designed for low power consumption, making it suitable for battery-operated and power-sensitive applications.
• Pin Configuration: It is available in a standard SOIC-16 packaging, which is convenient for surface-mount technology (SMT).
• High Noise Immunity: The device has a high noise immunity characteristic of CMOS devices, ensuring stable operation in electrically noisy environments.

Applications

The 74HCT251D is ideal for use in:

• Data multiplexing
• Signal gating
• Function generation
• Computer peripheral multiplexing
• Control systems

Technical Specifications

The NXP 74HCT251D is a reliable and efficient solution for digital signal routing and is widely used in both commercial and industrial applications. Its robust design and compatibility with various logic families make it a preferred choice for designers and engineers.