STMicroelectronics

M74HC04B1R

M74HC04B1R Description

The M74HC04B1R is a high-speed CMOS inverter IC designed for a wide range of digital logic applications. Manufactured by STMicroelectronics, this 14-pin DIP package IC features six independent inverter circuits, each with a single input. The M74HC04B1R operates within a supply voltage range of 2V to 6V and is capable of handling a maximum propagation delay of 16ns at 6V with a load capacitance of 50pF. This IC is part of the 74HC series, known for its high-speed performance and compatibility with TTL logic levels.

M74HC04B1R Features

• High-Speed Performance: The M74HC04B1R offers a maximum propagation delay of 16ns at 6V, making it suitable for high-speed digital applications.
• Wide Operating Voltage Range: With a supply voltage range of 2V to 6V, this IC can operate across a variety of power supply conditions, providing flexibility in design.
• Low Quiescent Current: The maximum quiescent current is only 1 µA, which minimizes power consumption, making it ideal for battery-operated devices.
• Robust Output Current Capability: The IC can source and sink up to 5.2mA per output, ensuring reliable operation even under heavy load conditions.
• TTL Compatibility: The input logic levels are compatible with TTL (0.5V to 1.8V for low, 1.5V to 4.2V for high), allowing seamless integration with other TTL-based digital circuits.
• Through-Hole Mounting: The through-hole package type ensures robust mechanical stability and ease of installation on printed circuit boards.
• Compliance and Safety: The M74HC04B1R is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the IC is highly resistant to moisture, making it suitable for a wide range of environmental conditions.

M74HC04B1R Applications

The M74HC04B1R is ideal for applications requiring high-speed digital signal inversion. Some specific use cases include:

• Digital Signal Processing: Inverting digital signals in communication systems, microcontrollers, and digital signal processors.
• Clock Signal Generation: Generating inverted clock signals for synchronous digital circuits.
• Noise Reduction: Inverting signals to reduce noise and interference in digital circuits.
• Level Shifting: Converting TTL logic levels to CMOS levels and vice versa, ensuring compatibility between different digital systems.
• Consumer Electronics: Used in various consumer electronics devices where digital signal inversion is required.

Conclusion of M74HC04B1R

The M74HC04B1R is a versatile and high-performance inverter IC from STMicroelectronics, offering a combination of speed, low power consumption, and compatibility with various digital systems. Its robust features, such as low quiescent current, high output current capability, and wide operating voltage range, make it suitable for a wide range of applications. Despite being marked as obsolete, the M74HC04B1R remains a reliable choice for engineers and designers looking for a high-speed inverter solution.