onsemi

MC14028BD

MC14028BD Description

The MC14028BD is a 1 x 4:10 decoder integrated circuit (IC) designed for a wide range of digital applications. Manufactured by onsemi, this IC is part of the 4000B series and features a single supply voltage range of 3V to 18V, making it versatile for various power supply configurations. It is housed in a surface-mount package, specifically a 16SOIC, which is ideal for compact and space-efficient designs. The MC14028BD is known for its robust performance and reliability, offering a high current output capability of 8.8mA for both high and low states. Despite its obsolescence status, it remains a valuable component for legacy systems and specific applications where its unique features are required.

MC14028BD Features

• Single Supply Operation: The MC14028BD operates on a single supply voltage ranging from 3V to 18V, providing flexibility in power supply requirements and simplifying circuit design.
• High Current Output: With a current output capability of 8.8mA for both high and low states, this IC ensures reliable signal transmission and driving capabilities, making it suitable for driving LEDs, relays, and other devices.
• Surface-Mount Package: The 16SOIC package offers a compact and space-efficient solution, ideal for modern PCB designs where space is a premium.
• Moisture Sensitivity Level (MSL) 1: The MC14028BD has an MSL rating of 1, indicating it is unaffected by moisture, which enhances its reliability and longevity in various environmental conditions.
• Independent Circuits: The IC features one independent circuit, ensuring isolated operation and minimizing interference between different parts of the system.
• Compatibility: As part of the 4000B series, the MC14028BD is compatible with other CMOS and TTL logic families, facilitating seamless integration into existing systems.

MC14028BD Applications

The MC14028BD is well-suited for a variety of applications due to its versatile design and robust performance. Some specific use cases include:

• Digital Systems: Ideal for decoding functions in digital systems, such as microprocessors, microcontrollers, and other digital circuits where a 1 x 4:10 decoding function is required.
• Control Systems: Used in control systems for driving relays, solenoids, and other actuators, leveraging its high current output capability.
• Display Systems: Suitable for driving LED displays and other visual indicators, ensuring clear and reliable signal transmission.
• Legacy Systems: Given its obsolescence status, the MC14028BD is particularly valuable for maintaining and upgrading legacy systems where its specific features are essential.

Conclusion of MC14028BD

The MC14028BD, despite being marked as obsolete, remains a reliable and versatile decoder IC with a wide range of applications. Its single supply operation, high current output, and compact surface-mount package make it an attractive choice for various digital and control systems. While newer alternatives may exist, the MC14028BD continues to be a preferred component for specific use cases, particularly in legacy systems and applications where its unique features are crucial. For engineers and designers working with digital circuits, the MC14028BD offers a proven solution with a robust performance profile.