onsemi

MM74HC14N

MM74HC14N Description

The MM74HC14N is a high-speed CMOS inverter logic IC chip, part of the 74HC series manufactured by onsemi. This through-hole mounted device features six independent Schmitt-trigger inverters, each with a single input. It operates within a supply voltage range of 2V to 6V and is designed to provide robust performance in digital circuits. The MM74HC14N offers a maximum propagation delay of 21ns at 6V with a load capacitance of 50pF, ensuring fast signal processing. The input logic levels are well-defined, with low levels ranging from 0.3V to 1.2V and high levels from 1.5V to 4.2V. The device is characterized by a maximum quiescent current of 2 µA and a maximum output current of 5.2mA for both high and low states. Packaged in a tube, the MM74HC14N is REACH unaffected and has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of environmental conditions.

MM74HC14N Features

• Schmitt Trigger Inverters: Each of the six inverters incorporates Schmitt-trigger action, which helps to eliminate noise and provide clean output transitions, even with slow or noisy input signals.
• Wide Operating Voltage Range: The device operates efficiently within a supply voltage range of 2V to 6V, making it versatile for various power supply configurations.
• Low Propagation Delay: With a maximum propagation delay of 21ns at 6V and 50pF load capacitance, the MM74HC14N ensures rapid signal processing, ideal for high-speed digital applications.
• Low Quiescent Current: The maximum quiescent current of 2 µA minimizes power consumption, making it suitable for low-power applications.
• High Output Current Capability: The device can source and sink up to 5.2mA, providing strong drive capabilities for various loads.
• Through-Hole Mounting: The through-hole package type facilitates easy integration into PCB designs and ensures mechanical stability.
• REACH Compliance: The MM74HC14N is REACH unaffected, ensuring compliance with environmental regulations.
• Moisture Sensitivity Level 1: The device is suitable for unlimited exposure to moisture, enhancing its reliability in various environmental conditions.

MM74HC14N Applications

The MM74HC14N is ideal for a variety of digital applications where signal inversion and noise filtering are required. Some specific use cases include:

• Digital Signal Processing: The fast propagation delay and Schmitt-trigger action make it suitable for processing digital signals in high-speed circuits.
• Noise Filtering: The Schmitt-trigger inverters help to clean up noisy input signals, ensuring reliable operation in noisy environments.
• Clock Signal Generation: The device can be used to invert and clean up clock signals, providing stable and noise-free clocking for digital systems.
• Logic Level Conversion: The well-defined input and output logic levels make it suitable for converting logic levels between different digital systems.
• Pulse Shaping: The inverters can be used to shape and invert pulses in digital circuits, ensuring precise timing and signal integrity.

Conclusion of MM74HC14N

The MM74HC14N is a versatile and reliable high-speed CMOS inverter logic IC chip, offering significant performance benefits due to its Schmitt-trigger action and wide operating voltage range. Its low propagation delay and high output current capability make it suitable for high-speed digital applications, while its low quiescent current ensures minimal power consumption. The through-hole mounting and REACH compliance further enhance its suitability for a wide range of applications. Despite being marked as obsolete, the MM74HC14N remains a valuable component for digital circuit designers seeking robust and reliable inversion and noise filtering capabilities.