ON Semiconductor MC14521B 24-Stage Binary Counter

The ON Semiconductor MC14521B is a highly versatile and reliable 24-stage binary counter integrated circuit, designed to meet the needs of complex timing and counting applications. This precision device is part of ON Semiconductor's MC14000 Series and is fabricated with high-performance silicon gate CMOS technology, ensuring low power consumption and a broad operating voltage range.

The MC14521B is capable of operating as a frequency divider or a counter with the capability to handle 24 binary stages. It features a built-in oscillator configuration that allows the use of an external resistor and capacitor to set up an oscillation frequency, providing a wide range of timing intervals. This makes it an excellent choice for sequential timing applications in a variety of electronic devices.

Key features of the MC14521B include:

• Wide Operating Voltage Range: This counter can function over a range of 3V to 18V, making it suitable for battery-operated devices as well as those connected to standard power supplies.
• Low Power Consumption: The CMOS technology ensures that the device consumes minimal power, which is crucial for portable and energy-sensitive applications.
• High Noise Immunity: The inherent characteristics of CMOS provide a high degree of immunity to electrical noise, which is critical for stable operation in industrial environments.
• Buffered Inputs and Outputs: Input and output buffering provides improved interfacing with other logic families and reduces the risk of erroneous counts due to input glitches.
• Master Reset: A master reset input allows for the immediate clearing of all stages, thereby resetting the device quickly and ensuring consistent performance.

The versatility of the MC14521B makes it an ideal choice for a broad range of applications, including time delay circuits, counters, frequency dividers, and as a component in programmable dividers. Its robustness and reliability are hallmarks of ON Semiconductor's commitment to quality, ensuring that the MC14521B will perform consistently in even the most demanding of applications.

Whether you're designing consumer electronics, industrial timers, or sophisticated control systems, the ON Semiconductor MC14521B offers a compact, efficient, and effective solution for your binary counting needs.