74VHC393MTCX

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Introduction

74VHC393MTCX is a dual 4-bit synchronous counter, which is composed of two independent 4-bit binary counters. The two counters can also be combined to form a single 8-bit binary counter. Each counter has separate clock, reset, enable and preset inputs. The 74VHC393MTCX also has a carry output for cascading multiple counters. The counter output can be used as a divide-by-n counter, which is the main application field of 74VHC393MTCX.

Application Field

The main application of the 74VHC393MTCX is as a divide-by-n counter. A divide-by-N counter divides a given input clock signal frequency by a given number ‘N’. The output of the counter is a signal whose frequency is N times lower than the input frequency. This type of circuit is useful in a variety of situations in many applications. For example, in frequency multiplying circuits and other applications that require the generation of a signal whose frequency is a multiple or fraction of a given input Frequency.

Working Principle

The working principle of the 74VHC393MTCX as a divide-by-n counter is based on a simple counting process. The counter increments its output value on each clock pulse of the input signal by 1. When the output value of the counter reaches the value ‘N’, it is reset to its initial value of 0. This resetting of the counter output is repeated for each clock cycle, resulting in a square wave output whose frequency is divided or multiplied by N.

Conclusion

The 74VHC393MTCX is a dual 4-bit synchronous counter, which can be used as part of a divide-by-N counter. This type of circuit is useful in a variety of applications. It works based on a simple counting process and produces a signal whose frequency is divided or multiplied by ‘N’.

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