STMicroelectronics

M74HCU04B1R

M74HCU04B1R Description

The M74HCU04B1R is an integrated circuit (IC) inverter designed by STMicroelectronics, a leading semiconductor manufacturer. This device is part of the 74HCU series and features six independent inverter circuits, each with a single input. The M74HCU04B1R is housed in a through-hole package, specifically a 14-pin DIP (Dual In-line Package), making it suitable for applications requiring robust mechanical stability and ease of installation on printed circuit boards (PCBs).

The M74HCU04B1R operates within a supply voltage range of 2V to 6V, providing flexibility in power supply requirements. It has a maximum propagation delay of 10ns at 6V and a maximum capacitive load of 50pF, ensuring high-speed performance and reliability in digital circuits. The input logic levels are defined as 0.3V to 1.2V for low and 1.7V to 4.8V for high, allowing compatibility with a wide range of digital systems.

M74HCU04B1R Features

• High-Speed Performance: With a maximum propagation delay of 10ns at 6V and a maximum capacitive load of 50pF, the M74HCU04B1R ensures fast and reliable signal inversion.
• Wide Operating Voltage Range: The device operates within a supply voltage range of 2V to 6V, offering flexibility in various power supply configurations.
• Low Quiescent Current: The maximum quiescent current is only 1 µA, making it energy-efficient and suitable for low-power applications.
• High Output Current Capability: The M74HCU04B1R can source and sink up to 5.2mA per output, providing robust performance in driving external loads.
• Compliance and Safety: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Through-Hole Mounting: The through-hole package provides mechanical stability and ease of installation on PCBs, making it ideal for industrial and commercial applications.
• Multiple Inverter Circuits: The device features six independent inverter circuits, each with a single input, allowing for multiple signal inversion tasks in a compact form factor.

M74HCU04B1R Applications

The M74HCU04B1R is well-suited for a variety of applications due to its high-speed performance, wide operating voltage range, and low quiescent current. Some specific use cases include:

• Digital Signal Processing: Inverting digital signals in communication systems, microprocessors, and other digital circuits.
• Noise Reduction: Inverting signals to reduce noise and interference in sensitive electronic systems.
• Logic Level Conversion: Converting logic levels between different digital systems, ensuring compatibility and reliable operation.
• Clock Signal Generation: Generating inverted clock signals for synchronous digital circuits.
• Industrial Control Systems: Providing reliable signal inversion in harsh industrial environments where through-hole mounting is preferred.

Conclusion of M74HCU04B1R

The M74HCU04B1R is a versatile and reliable inverter IC designed for high-speed digital applications. Its wide operating voltage range, low quiescent current, and high output current capability make it an ideal choice for various electronic systems. The through-hole package ensures mechanical stability and ease of installation, while its compliance with environmental and safety standards ensures it meets industry requirements. Despite being marked as obsolete, the M74HCU04B1R remains a valuable component for engineers and designers seeking robust and efficient signal inversion solutions.