74AC14SJ Description
The 74AC14SJ is a high-performance logic IC chip designed by onsemi, featuring a Schmitt trigger inverter with six independent channels. This device is part of the 74AC series, known for its robust performance and versatility. The 74AC14SJ operates within a supply voltage range of 2V to 6V, making it suitable for a wide range of applications. It has a maximum propagation delay of 10ns at 5V with a maximum load capacitance of 50pF, ensuring fast and reliable signal processing.
The input logic levels are defined as 0.5V to 1.1V for low and 2.2V to 3.9V for high, providing clear and precise signal thresholds. The device is designed for surface mount applications, making it ideal for compact and high-density PCB designs. The 74AC14SJ is housed in a tube package, which offers protection and ease of handling during assembly processes.
74AC14SJ Features
- Schmitt Trigger Inverter: The 74AC14SJ incorporates Schmitt trigger technology, which helps in filtering out noise and providing clean digital signals. This feature is particularly beneficial in applications where input signals may be noisy or have slow rise and fall times.
- High-Speed Performance: With a maximum propagation delay of 10ns at 5V, the 74AC14SJ ensures rapid signal processing, making it suitable for high-speed digital circuits.
- Wide Operating Voltage Range: The device operates within a supply voltage range of 2V to 6V, offering flexibility and compatibility with various power supply configurations.
- Low Quiescent Current: The 74AC14SJ has a maximum quiescent current of 2 µA, making it energy-efficient and suitable for low-power applications.
- High Output Current Capability: The device can source and sink up to 24mA per output, providing robust performance in driving various loads.
- Moisture Sensitivity Level 1: The 74AC14SJ has an MSL rating of 1 (unlimited), indicating that it is not sensitive to moisture, which is advantageous for manufacturing processes and long-term reliability.
74AC14SJ Applications
The 74AC14SJ is ideal for a variety of applications due to its high-speed performance, Schmitt trigger functionality, and wide operating voltage range. Some specific use cases include:
- Digital Signal Processing: The fast propagation delay and noise-filtering capabilities make it suitable for processing digital signals in communication systems, microprocessors, and other high-speed digital circuits.
- Noise Reduction in Input Signals: The Schmitt trigger feature is particularly useful in applications where input signals may be noisy, such as in industrial control systems, automotive electronics, and consumer electronics.
- Compact and High-Density Designs: The surface mount package and low quiescent current make the 74AC14SJ ideal for compact and high-density PCB designs, such as in mobile devices, IoT devices, and wearable technology.
- Low-Power Applications: The low quiescent current and wide operating voltage range make it suitable for battery-powered devices and other low-power applications.
Conclusion of 74AC14SJ
The 74AC14SJ is a versatile and high-performance logic IC chip that offers significant advantages over similar models. Its Schmitt trigger inverter design provides noise filtering and clean digital signals, while its high-speed performance ensures rapid signal processing. The wide operating voltage range and low quiescent current make it suitable for a variety of applications, from high-speed digital circuits to low-power devices. Although the 74AC14SJ is now considered obsolete, its unique features and performance benefits continue to make it a valuable component in many electronic designs.