The MC74AC4040DR2 is a high-performance, 12-stage binary counter designed and manufactured by ON Semiconductor. This integrated circuit (IC) is part of the advanced high-speed CMOS family and is known for its robustness and reliability in various digital applications. The device features a series of flip-flops with intermediate taps at certain stages, providing a range of divided-by outputs from a single input source.
With its industry-standard SOIC-16 package, the MC74AC4040DR2 ensures a compact footprint on printed circuit boards (PCBs) while offering exceptional functionality in frequency division and counter operations. The IC operates over a wide voltage range from 2V to 6V, making it versatile for use in both 5V-tolerant and low-power 3.3V systems. This flexibility allows designers to incorporate the counter into a diverse array of electronic products, from consumer electronics to industrial control systems.
Key features of the MC74AC4040DR2 include its ability to interface directly with the industry's standard logic families, such as TTL, thanks to its high noise immunity and low power dissipation. The counter advances on the falling edge of the clock signal, ensuring precise timing and control in sequential logic operations. Additionally, the reset function is asynchronous, which means it can be triggered at any time to reset the counter to its zero state, independent of the clock signal.
The MC74AC4040DR2 is designed for applications requiring a reliable and accurate counting mechanism. Examples include digital clocks, timers, frequency dividers, and event counters in embedded systems. Its robust design guarantees stable performance over a wide range of environmental conditions, ensuring that the device can be used in both commercial and industrial settings.
In summary, the MC74AC4040DR2 from ON Semiconductor is a versatile and dependable choice for designers looking to implement a binary counter in their digital systems. Its compatibility with various logic levels, low power consumption, and wide operating voltage range make it an excellent choice for a multitude of applications.
