CD4045BPWG4

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CD4045BPWG4 is a monolithically integrated circuit composed of four cascadable BCD counters. It belongs to the category of Logic--Counters, Dividers. Basically, a counter is a circuit or a device used to gain increments or decrements of consecutive numbers. Its applications are in many areas that require high precision pulse rate generation, frequency division, etc. What are the applications and working principles of CD4045BPWG4? Let us take a closer look.

Applications of CD4045BPWG4

CD4045BPWG4 has many applications in various fields, such as industrial automation, medical instrumentation, consumer and commercial electronics, military and aerospace systems, etc. In industrial automation, it can be used in process controllers and conveyor controllers. It can be used to determine the speed of the conveyor belt, the position of the working table and the process Timing. In medical instrumentation, it can be used in diabetes insulin pump and other medical equipment, due to its high precision pulse rate generation. In consumer and commercial electronics, it can be used in digital dialers and timers. Its application in military and aerospace systems mainly include the jet fighter control system, launch system and etc.

Working Principle of CD4045BPWG4

The basic principle of CD4045BPWG4 is to use the continuous operation of components to generate output pulses. The circuit consists of four cascaded BCD counters. It is the form of negative edge triggered flip-flops with asynchronous reset which is able to toggle its state on a falling edge of the clock signal. When the clock pulse is applied, the output of the first flip-flop is triggered, which will generate successive pulses of decreasing amplitude. These pulses will cascade through the remaining BCD counters, thereby providing successively smaller pulses of output.

The output pulse of the CD4045BPWG4 is determined by the equation: N=2^n-1, where n is the number of the BCD counter. The output pulse width of the counter is determined by the flip-flop hold time. This means that the larger the hold time, the longer the pulse width, or the pulse repetition rate it can generate. The most commonly used frequency for CD4045BPWG4 is 50Hz.

Conclusion

CD4045BPWG4 is a very useful and powerful monolithic integrated circuit. It has a wide range of applications, such as industrial automation, medical instrumentation, consumer and commercial electronics, military and aerospace systems, etc. It is the form of negative edge triggered flip-flops with asynchronous reset which is able to toggle its state on a falling edge of the clock signal. The output pulse of the CD4045BPWG4 is determined by the equation: N=2^n-1, where n is the number of the BCD counter.

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