CD74HC390M96

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The CD74HC390M96 is a high-performance silicon CMOS logic device consisting of two 4-bit synchronous binary counters. It is one of the most important logic components for modern electronic devices. This article will discuss the application field and working principle of CD74HC390M96.

The CD74HC390M96 belongs to logic counters, dividers and its applications are extensive covering from digital devices and home appliance to automatic machine. The main usage of CD74HC390M96 includes counting and dividing of the signal, timing device and period generator, data conversion and data out transformation. Its internal circuit consists of two flip-flops and two AND gates and creates 4-bit synchronous counter with counting capability up to 16 counts.

In its working principle, CD74HC390M96 synchronous 4-bit binary counter consists of an up/down counter with a synchronous reset. It will reset itself to zero. It can also divide frequency to one-fourth of the original frequency and return it to its terminal if the count exceeds 8. Its time interval is obtained by counting a certain number of signal before switching over to the next stage. This does not ensure accuracy in all situations, and external compensation for temperature and voltage drift is sometimes required.

The diagram of CD74HC390M96 shows a flip-flop with a data in and a clock, which is used together to count. When the clock is applied, the data in is pushed through the flip-flop and is transmitted to the next stage. When the count reaches 16, the Q7 output will be reset to “0” and the count will start from the beginning again. At the same time, output 4Q of the first counter will be clocked and sent to the second counter.

The CD74HC390M96 is very popular and widely used in modern applications. It is the most efficient and reliable method to count and divide signals and data, allowing engineers to accurately and efficiently control the operation of a device. It can also convert analog signals into digital ones as well as provide accurate time intervals. With its high performance and wide range of applications, the CD74HC390M96 is an indispensable component in any modern electronic device.

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