CD74HC93MT

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The CD74HC93MT is a 4-bit binary counter that offers a cost-effective solution for counting applications up to a maximum count of 16. It is implemented in an industry-standard 16-pin package for convenient use in multiple applications, such as sequencing, digital timing, and event counting, as well as control and instrumentation circuitry. Application fields and working principles of the CD74HC93MT are discussed in detail below.

Application Fields of the CD74HC93MT

The CD74HC93MT can be used in a wide range of applications and industries, such as automotive, industrial, medical, and consumer electronics. It is an ideal solution for designing counters with reliable repeat precision and count accuracy. In automotive industry, the counter can be used in vehicle safety systems including airbag deployment and anti-lock braking systems. In the medical industry, it is often used as a timer in healthcare equipment, as well as to count the times that a medication has been taken by a patient. In the consumer electronics sector, the counter is widely used to control the brightness of LCDs and the pulse length of pulse motor controllers. It is also used in industrial systems to accurately count the number of products that has been manufactured, and to detect failures and set alarms.

Working Principles of the CD74HC93MT

The CD74HC93MT is a 4-bit synchronous binary counter. It consists of four D-type Flip-Flop register circuits and synchronous clock circuits. Each Flip-Flop has a Data input, Pre-set, Clock input, Clear input, and Output. It operates in two modes, the normal operating mode, and the presetting mode. The Pre-set and Clear inputs are not connected to the Clock input, and therefore, when the Clear input is low, the binary count output remains in the state prior to the Clear input being actuated. When the Pre-set input is in the high state, the binary count is preset to the binary state of the Data input.

When the Clock input is high, the next higher binary count is entered into the register when the Clock input goes low. The Clock input frequency determines the rate of count. The Outputs follow the binary count in the register and can be cascaded for higher counts. The Counter can also be preset with different count values, and the outputs will go to the preset value when the Pre-set input goes low on the falling edge of the Clock. The CD74HC93MT can operate from a single power supply of 3V to 5.5V.

The CD74HC93MT is a 4-bit counter with a 16-bit cycle counting capability. It has two distinct modes of operation; normal mode where the presetting and clearing of the counter are achieved separately, as well as pre-setting mode where the presetting is done by coupling the pre-set input directly to the data input. The CD74HC93MT is a fully synchronous counter, with the clock input directly connected to all the Flip-Flops, this guarantees an even and accurate count. The counter is well suited for high-speed operation and provides very high count accuracy. The CD74HC93MT also features an asynchronous reset input, which can quickly reset the counter to the initial state.

In summary, the CD74HC93MT is a robust, cost-effective binary counter which operates at high speed and accuracy. It is ideal for various counting applications requiring repeat accuracy and count accuracy. The asynchronous reset input of the counter allows it to quickly reset the counter and helps to reduce the reset time of the system. The CD74HC93MT also offers full flexibility in terms of data input, presetting and clocking, making it one of the best counters in its class.

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