74LV393N,112

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The 74LV393N,112 is part of the small but important collection of logic circuits often sorted into the larger buckets of Counters, Dividers, Flip-Flops, and Registers. This collection includes the 74LS393N,112, a versatile and essential component for specialized digital designs.

The 74LS393N,112 is a four-bit binary counter and divider chip that features a synchronous reset pin, Clock Enable (CE) pin, and two binary outputs from the counter; an LSB (least Significant Bit) output and an MSB (Most Significant Bit) output. This chip is a complex and powerful component for a wide variety of digital systems that require specialized timing and counting functions.

Essentially, the 74LV393N,112 powers all kinds of digital systems or components where counting or dividing of 2-bit binary code is deployed. The logic circuit provides a counter cycle of 16, meaning that the counter will go through 16 steps (or 2^4) before the synchronous reset triggers and starts it again. The counter can be used to count up and down, as long as the CE pin is activated.

The 74LV393N,112 is used in a wide variety of applications and it can be seen as a powerful tool for optimizing digital designs. It is most often used for simple second/minute indicators, frequency division, rate measuring, frequency division multiplexers, digital binary-coded decimal dividers and synchronous binary dividers. The circuit is also a great component for precision timing, as it is suitable for tracking glitches accurate to the cycle, or counting specific numbers of cycles disregarding small glitches.

The working principle of the 74LV393N,112 is relatively straightforward. This circuit is designed with a basic shift register in which data is shifted in and out of it serially, and can be referred to as the serial-in-serial-out (SISO) register. To begin counting, the clock pin determines whether the clock signal is gated or blocked for a certain cycle. If the input at the CLK pin is high, then the SISO register will start a count cycle.

The synchronous reset pin also works to reset the cycle if the CLK pin is active. If the CLK pin is active and the reset pin is not high, then the SISO register will initiate a cycle and the outputs will be given in binary code after every two clock pulses. The MSB offers a signal to indicate when the maximum count of 16 is reached, giving the user an idea when the EEPROM or the counter will reset.

The 74LV393N,112 should be noted as one of the workhorses of the digital counter, divider, and flip-flop logic domains. It is an essential component for digital circuitry that requires precise and optimized timing and counting, making it ideal for second/minute indicators, frequency division multiplexers, synchronous binary dividers, digital binary-coded decimal dividers, and more. With its simple logic and an intuitive operation, the 74LV393N,112 is a tested and reliable circuit for adding specialized features to digital designs.

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