onsemi

MM74HC14SJ

MM74HC14SJ Description

The MM74HC14SJ is a high-performance, 6-channel Schmitt trigger inverter logic IC from onsemi, designed for a wide range of digital applications. This IC is part of the 74HC series, known for its excellent noise immunity and high-speed performance. The MM74HC14SJ features a maximum propagation delay of 21ns at 6V and 50pF, ensuring fast signal processing and minimal latency in digital circuits. It operates within a supply voltage range of 2V to 6V, making it suitable for various power supply configurations.

The MM74HC14SJ is designed with a surface-mount package, specifically in a 14-SOP (Small Outline Package) format, which is ideal for compact and space-efficient PCB designs. Each inverter channel has a single input, with input logic levels ranging from 0.3V to 1.2V for low and 1.5V to 4.2V for high, ensuring compatibility with a variety of digital systems. The IC also boasts low quiescent current (up to 2 µA) and balanced output current capabilities (5.2mA for both high and low states), contributing to its energy efficiency and reliability.

MM74HC14SJ Features

• Schmitt Trigger Inverter: Each of the six channels features a Schmitt trigger, which provides excellent noise immunity and ensures stable operation even noisy in environments.
• Wide Operating Voltage Range: The MM74HC14SJ operates reliably within a voltage range of 2V to 6V, making it versatile for different power supply conditions.
• Fast Propagation Delay: With a maximum propagation delay of 21ns at 6V and 50pF, this IC ensures rapid signal processing, crucial for high-speed digital applications.
• Low Quiescent Current: Consuming a maximum of 2 µA in quiescent state, the MM74HC14SJ is energy-efficient, making it suitable for battery-operated and low-power systems.
• Balanced Output Current: The IC provides balanced output current capabilities of 5.2mA for both high and low states, ensuring consistent performance across different load conditions.
• Surface-Mount Package: The 14-SOP package is ideal for compact PCB designs, facilitating easy integration into modern electronic systems.

MM74HC14SJ Applications

The MM74HC14SJ is well-suited for a variety of applications where high-speed, noise-immune digital signal processing is required. Some specific use cases include:

• Digital Signal Processing: Ideal for applications requiring fast and reliable inversion of digital signals, such as in clock generation, data transmission, and digital control systems.
• Noise Immunity in Industrial Environments: The Schmitt trigger feature makes it suitable for industrial applications where high levels of electromagnetic interference (EMI) are present.
• Battery-Powered Devices: The low quiescent current and wide operating voltage range make it an excellent choice for portable and battery-operated devices, ensuring long battery life and reliable operation.
• Automotive Electronics: The robustness and reliability of the MM74HC14SJ make it suitable for automotive applications, where it can withstand harsh operating conditions and provide stable performance.

Conclusion of MM74HC14SJ

The MM74HC14SJ from onsemi is a versatile and high-performance Schmitt trigger inverter IC, offering a combination of fast propagation delay, low quiescent current, and excellent noise immunity. Its wide operating voltage range and surface-mount package make it suitable for a variety of applications, from industrial control systems to portable electronic devices. While the product is marked as obsolete, its unique features and performance benefits continue to make it a valuable component for engineers and designers in the electronics industry.