onsemi

74ACT157SC

74ACT157SC Description

The 74ACT157SC is a multiplexer IC designed for high-performance applications, featuring a 4 x 2:1 channel configuration. Manufactured by onsemi, this device is part of the 74ACT series, known for its robustness and reliability. It operates on a single supply voltage ranging from 4.5V to 5.5V, making it suitable for various power supply environments. The 74ACT157SC is housed in a 16SOIC package, which is ideal for surface mount applications, ensuring compact and efficient integration into electronic circuits. Although the product is now obsolete, its technical specifications and performance benefits continue to be relevant for legacy systems and specific applications.

74ACT157SC Features

• High Current Capability: The 74ACT157SC offers a high current output capability of 24mA for both high and low states, ensuring strong signal drive and minimal voltage drop across the output.
• Single Supply Operation: With a voltage supply range of 4.5V to 5.5V, this multiplexer simplifies power supply design and reduces the need for additional voltage regulators.
• Surface Mount Packaging: The 16SOIC package is designed for surface mount technology (SMT), providing a compact footprint and enhanced thermal performance, which is crucial for high-density PCB designs.
• Independent Circuits: The device features a single independent circuit with a 4 x 2:1 multiplexing capability, allowing for efficient signal routing and selection.
• Moisture Sensitivity Level (MSL): With an MSL rating of 1 (Unlimited), the 74ACT157SC is highly resistant to moisture, ensuring long-term reliability and performance in various environmental conditions.
• Compliance and Status: The 74ACT157SC is classified under ECCN EAR99 and is REACH unaffected, ensuring compliance with international regulations and standards.

74ACT157SC Applications

The 74ACT157SC is ideal for applications requiring efficient signal routing and selection in a compact form factor. Its high current capability and single supply operation make it suitable for a wide range of electronic systems, including:

• Data Acquisition Systems: The multiplexer's ability to select and route signals efficiently makes it ideal for data acquisition systems where multiple input channels need to be processed.
• Telecommunications: In communication systems, the 74ACT157SC can be used to manage signal paths, ensuring reliable and efficient signal transmission.
• Industrial Control Systems: The robustness and reliability of the 74ACT157SC make it suitable for industrial applications where high current and single supply operation are critical.
• Automotive Electronics: The device's moisture resistance and compact packaging make it suitable for automotive applications where space and environmental conditions are significant factors.

Conclusion of 74ACT157SC

The 74ACT157SC, despite being obsolete, remains a valuable component for specific applications due to its high current capability, single supply operation, and compact surface mount packaging. Its robust performance and compliance with international standards make it a reliable choice for legacy systems and specialized electronic designs. For engineers and designers working with legacy systems or requiring a compact, high-performance multiplexer, the 74ACT157SC offers a viable solution.