STMicroelectronics M74HC4518B1R Integrated Circuit

The M74HC4518B1R is a high-speed CMOS dual BCD counter IC designed and manufactured by STMicroelectronics. This integrated circuit is part of the HC (High-speed CMOS) family, which is well-known for combining the high noise immunity of CMOS with the speed of bipolar transistors. The M74HC4518B1R is specifically tailored for counting applications in digital systems and is widely used in consumer electronics, automation, and industrial equipment.

Key Features

• Logic Type: Dual BCD Counter
• Supply Voltage Range: 2V to 6V, making it suitable for operation with a variety of power sources and ensuring compatibility with both TTL and high-speed CMOS logic levels.
• Output Current: Capable of driving 5.2 mA at the output, providing a good balance between power consumption and driving capability.
• Propagation Delay Time: Fast response with a typical propagation delay time of 18ns, ensuring quick and reliable counting operations.
• Operating Temperature: Designed to operate over a wide temperature range, from -55°C to 125°C, making it robust for use in harsh environments.
• Package: The device is available in a DIP-16 (Dual In-line Package) which is suitable for through-hole mounting, facilitating easy integration into a wide range of electronic circuits.

Applications

The versatility of the M74HC4518B1R allows it to be used in a diverse array of applications, including:

• Frequency counters and timers
• Digital clocks and watches
• Instrumentation and measurement systems
• Automated industrial machines
• Consumer electronics such as calculators and gaming devices

With its robust design and compatibility with other logic families, the M74HC4518B1R is an excellent choice for designers looking for a reliable and efficient counting solution. STMicroelectronics' commitment to quality ensures that this integrated circuit will deliver consistent performance for a wide range of digital counting applications.