The NXP 74HCT251 is a high-performance, 8-input multiplexer from the 74HCT family that offers a perfect solution for selecting one line of data from up to eight sources. The 74HCT251 can be utilized in a variety of digital applications, including data routing, function generation, and logic design simplification.

Key Features

• Logic Family: HCT - High-speed CMOS technology
• Logic Type: 8-Input Multiplexer
• Output Capability: Standard
• Input Level: TTL level
• Voltage - Supply: 4.5V to 5.5V
• Pin Count: 16 pins
• Operating Temperature: -40°C to +125°C

Product Description

The NXP 74HCT251 device is designed for high-speed interfacing and is compatible with TTL levels. This multiplexer features eight input channels, three select inputs, and an output enable pin that controls the multiplexer. The select inputs determine which one of the eight data inputs is routed to the output.

With its wide operating voltage range of 4.5V to 5.5V, the 74HCT251 is suitable for interfacing with 5V systems. The device ensures a low power consumption and high noise immunity characteristic of CMOS devices, while at the same time maintaining TTL compatibility.

This multiplexer is housed in a 16-pin package and can operate at temperatures ranging from -40°C to +125°C, making it adaptable to various harsh environmental conditions. The 74HCT251 is ideal for applications where data needs to be directed from multiple sources to a single destination, such as data acquisition systems, communication systems, and control systems.

Applications

• Data routing
• Function generation
• Logic design simplification
• Data acquisition systems
• Communication systems
• Control systems