CD4521BM

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The CD4521BM integrated circuit is used in creating adjustable frequency dividers, commonly found in digital computing devices and electronic products. The CD4521BM is a dual 4-bit binary counter, with two separate 4-bit dividers, each able to generate a frequency-divided output from an input source. It is used in many types of logic devices such as programmable logic controllers (PLCs) and digital signal processors (DSPs). The CD4521BM is used in logic-based electronic products, such as TV remotes, RFID systems, and other logic-controlled products.

The CD4521BM features two separate divide-by-twos, with each divide-by-two having a separate input and output. The inputs can either be a digital (on/off) or an analog voltage. The outputs can be either a pulse or a pulse with a duty cycle within the output range of one to twenty-five percent. The duty cycle of the output can be adjusted by simply changing the input voltage. It is commonly used in logic-based designs, such as logic gates, flip-flops, comparators, and digital counters.

The CD4521BM is a CMOS integrated circuit, and can be powered between 3V to 15V. It is a dual 4-bit binary counter, and is capable of counting from 0-15. It has two independent 4-bit sections, each with its own clock, enable, and reset inputs. The output frequency is determined by the clock input frequency and can be external, with a range between 4kHz to 40kHz. The enable input enables and disables the output, and when enabled, the output frequency is determined by the divided-by-two register of the device, and when disabled, the output remains at zero.

The working principle of the CD4521BM is to divide the input frequency by two. Its output is a pulse whose frequency is divided by two. The number of times it divides the input frequency is determined by the value of the 4-bit divider, which can be set to a value up to 15. This means the frequency at the output can range from a quarter of the input frequency to one eightieth of the input frequency (1/2^15). This adjustable frequency divider can be used for various digital counting and timing applications.

Some common applications for the CD4521BM include frequency divider circuits, frequency counter circuits, digital timers, and displays. It is used in logic circuits such as logic gates, digital counters, comparators, and flip-flops. It is also found in digital devices such as television remotes, and radio frequency identification (RFID) systems, as well as other logic-controlled products.

In summary, the CD4521BM integrated circuit is used for adjustable frequency division, which is found in a variety of digital computing devices and electronic products. The CMOS integrated circuit can be powered between 3V and 15V, and its output frequency is determined by the divided-by-two register and can range from a quarter to one eightieth of the input frequency. Its common uses include frequency divider circuits, frequency counter circuits, digital timers, and logic circuits, like logic gates, digital counters, comparators, and flip-flops.

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