onsemi

MC74VHC14DR2

MC74VHC14DR2 Description

The MC74VHC14DR2 is a 6-channel Schmitt trigger inverter IC designed for high-performance digital applications. Manufactured by onsemi, this device is part of the 74VHC series, known for its robustness and reliability. It features a maximum propagation delay of 10.6ns at 5V with a maximum capacitive load of 50pF, ensuring fast signal processing and minimal latency. The MC74VHC14DR2 operates within a supply voltage range of 2V to 5.5V, making it suitable for a wide range of power supply configurations.

Each of the six channels includes a single input, with input logic levels specified as 0.9V to 1.65V for low and 2.2V to 3.85V for high, providing precise control over signal thresholds. The device is designed for surface mount applications, packaged in a Tape & Reel (TR) format, which is ideal for automated assembly processes. The maximum quiescent current is 2 µA, and it can handle output currents of up to 8mA for both high and low states, ensuring stable performance under various load conditions.

MC74VHC14DR2 Features

• Schmitt Trigger Inverter: Each channel incorporates a Schmitt trigger, which provides hysteresis to stabilize input signals and reduce noise sensitivity. This feature is particularly beneficial in applications where input signals may be noisy or have slow rise and fall times.
• Wide Operating Voltage Range: The ability to operate between 2V and 5.5V makes the MC74VHC14DR2 versatile for use in different power supply environments, including both low-voltage and standard 5V systems.
• Low Propagation Delay: With a maximum propagation delay of 10.6ns at 5V and a 50pF load, the MC74VHC14DR2 ensures rapid signal inversion, which is crucial for high-speed digital circuits.
• Surface Mount Technology (SMT): The surface mount package facilitates easy integration into modern printed circuit boards (PCBs) and is compatible with automated manufacturing processes.
• Low Quiescent Current: The maximum quiescent current of 2 µA minimizes power consumption, making the device suitable for low-power and battery-operated applications.
• High Output Current Capability: The ability to drive up to 8mA in both high and low states ensures robust performance and compatibility with a wide range of downstream components.

MC74VHC14DR2 Applications

The MC74VHC14DR2 is well-suited for a variety of applications where signal inversion and noise reduction are critical. Some specific use cases include:

• Digital Signal Processing: Inverting digital signals in high-speed data processing systems, where fast and reliable signal inversion is essential.
• Noise Reduction: Utilizing the Schmitt trigger feature to stabilize noisy input signals in industrial control systems, ensuring accurate and reliable operation.
• Consumer Electronics: Implementing signal inversion in consumer devices such as digital cameras, smartphones, and other portable electronics where low power consumption and small form factor are important.
• Automotive Electronics: Inverting signals in automotive control units, where robustness and reliability are paramount.
• Communication Systems: Inverting signals in communication interfaces, such as UART or SPI, to ensure accurate data transmission.

Conclusion of MC74VHC14DR2

The MC74VHC14DR2 is a versatile and high-performance Schmitt trigger inverter IC that offers several unique advantages over similar models. Its combination of low propagation delay, wide operating voltage range, and Schmitt trigger functionality makes it ideal for a wide range of digital applications. The device's low quiescent current and high output current capability further enhance its suitability for low-power and high-current applications. Despite its obsolete status, the MC74VHC14DR2 remains a reliable choice for engineers seeking a robust and efficient inverter solution.