onsemi

MC74HC4538AFELG  

Multivibrators

MC74HC4538AFELG Description

The MC74HC4538AFELG is a monostable multivibrator IC designed for a wide range of timing applications. Manufactured by onsemi, this device is part of the 74HC series, known for its high-speed CMOS technology. The IC features two independent monostable circuits, each capable of generating precise timing intervals. With a propagation delay of 30 ns, the MC74HC4538AFELG ensures fast and reliable signal processing, making it suitable for applications requiring high accuracy and speed.

The device operates within a supply voltage range of 2 V to 6 V, providing flexibility in power supply requirements. It also includes Schmitt trigger inputs, which enhance noise immunity and improve the stability of the input signals. The MC74HC4538AFELG is available in a surface mount package, specifically the 16SOEIAJ, making it ideal for compact and space-constrained designs. The package is shipped in tape and reel (TR) format, facilitating automated assembly processes.

MC74HC4538AFELG Features

• High-Speed Performance: With a propagation delay of 30 ns, the MC74HC4538AFELG ensures rapid signal processing, making it suitable for high-speed applications.
• Dual Monostable Circuits: The device features two independent monostable circuits, allowing for simultaneous timing operations.
• Wide Voltage Range: Operating within a supply voltage range of 2 V to 6 V, the IC offers flexibility in power supply requirements.
• Schmitt Trigger Inputs: Enhances noise immunity and improves the stability of input signals, ensuring reliable operation in noisy environments.
• Surface Mount Packaging: The 16SOEIAJ package is ideal for compact designs and automated assembly processes.
• Moisture Sensitivity Level 3: Suitable for a wide range of manufacturing environments, with a 168-hour exposure limit.
• Compliance: The MC74HC4538AFELG is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.

MC74HC4538AFELG Applications

The MC74HC4538AFELG is ideal for a variety of applications requiring precise timing and high-speed signal processing. Some specific use cases include:

• Pulse Width Modulation (PWM): The monostable circuits can generate precise PWM signals for motor control and power management applications.
• Timing Circuits: Ideal for creating accurate timing intervals in digital systems, such as clock generation and synchronization.
• Noise Filtering: The Schmitt trigger inputs help filter out noise from input signals, ensuring stable and reliable operation in noisy environments.
• Data Communication: The high-speed performance and low propagation delay make it suitable for data communication systems requiring fast signal processing.
• Consumer Electronics: The compact surface mount package and wide voltage range make it ideal for consumer electronics where space and power efficiency are critical.

Conclusion of MC74HC4538AFELG

The MC74HC4538AFELG is a versatile and high-performance monostable multivibrator IC, offering a combination of speed, reliability, and flexibility. Its dual monostable circuits, wide voltage range, and Schmitt trigger inputs make it suitable for a wide range of applications, from precision timing to noise filtering. Despite being marked as obsolete, the MC74HC4538AFELG remains a valuable component for engineers and designers seeking a reliable and high-performance solution for their timing needs.

MC74HC4538AFELG Documents

Download datasheets and manufacturer documentation for MC74HC4538AFELG