onsemi

74F251APC

74F251APC Description

The 74F251APC is a multiplexer IC from the 74F series, manufactured by onsemi. It is designed for applications requiring a single 8:1 multiplexer circuit. This through-hole mounted device operates within a temperature range of 0°C to 70°C and is powered by a single supply voltage between 4.5V and 5.5V. The 74F251APC features a current output of 3mA for high signals and 24mA for low signals, ensuring robust performance in various electronic circuits. The device is housed in a tube package and is classified under HTSUS code 8542.39.0001. It is REACH unaffected and has an ECCN classification of EAR99. Despite its obsolescence, the 74F251APC remains a reliable choice for specific applications due to its stable performance and compatibility with existing systems.

74F251APC Features

The 74F251APC offers several key features that make it a valuable component in the realm of logic IC chips:

• Single 8:1 Multiplexer Circuit: This design allows for efficient selection and routing of one of eight input signals to a single output, simplifying complex signal management.
• Single Supply Operation: The device operates within a supply voltage range of 4.5V to 5.5V, making it suitable for systems with a single power supply.
• High Current Output: With an output current capability of 3mA for high signals and 24mA for low signals, the 74F251APC ensures reliable signal transmission even under varying load conditions.
• Through-Hole Mounting: The through-hole mounting type provides a secure and durable installation, ideal for applications requiring robust mechanical stability.
• Wide Operating Temperature Range: The 0°C to 70°C operating temperature range makes the 74F251APC suitable for a variety of environments, from standard room temperatures to moderately elevated temperatures.
• Moisture Sensitivity Level 1: The MSL rating of 1 (unlimited) indicates that the device is not sensitive to moisture, reducing the risk of damage during storage and handling.

74F251APC Applications

The 74F251APC is well-suited for a range of applications where signal routing and selection are critical. Some specific use cases include:

• Digital Signal Processing: In systems where multiple digital signals need to be selectively routed to a single processing unit, the 74F251APC provides a straightforward and efficient solution.
• Data Acquisition Systems: For applications involving the collection and processing of data from multiple sensors or sources, the multiplexer function of the 74F251APC enables the sequential selection and transmission of signals to a central processing unit.
• Communication Systems: In communication systems requiring the multiplexing of multiple data channels, the 74F251APC can be used to manage and route signals effectively.
• Industrial Control Systems: The robustness and reliability of the 74F251APC make it suitable for industrial applications where signal integrity and durability are paramount.

Conclusion of 74F251APC

The 74F251APC, despite being an obsolete model, continues to offer significant value in specific applications requiring a single 8:1 multiplexer. Its robust performance, wide operating temperature range, and high current output capabilities make it a reliable choice for digital signal processing, data acquisition, communication systems, and industrial control systems. The through-hole mounting and moisture sensitivity level 1 rating further enhance its durability and reliability. While newer alternatives may exist, the 74F251APC remains a viable option for engineers and designers looking to maintain compatibility with existing systems or seeking a proven solution for their specific needs.