SN74HC4040N

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The SN74HC4040N is a monolithic integrated circuit composed of 12 ripple-carry binary counters having separate clocks and clear inputs. Each of these counters consists of a series of flip-flops with the two output terminals providing a lagging pulse. This integrated circuit is available in standard DIP and SOIC packages for use in applications requiring a low-cost, low-power, high-speed counter. The SN74HC4040N is part of the Texas Instruments’ successful range of 7400 Series integrated circuits.

The SN74HC4040N is categorized as a Logic - Counters, Dividers. The SN74HC4040N is a multi-function counter suitable for a wide range of applications such as timing, frequency division and count applications. The SN74HC4040N utilizes a master-slave counter design to provide a high-speed, low-power operation. Each of the 12 individual counters has separate clock and clear inputs which allows for a wide range of application flexibility.

The SN74HC4040N working principle is built on several fundamental stages, starting with the Clock signal. This clock signal is provided and the 12 stages of the counter are triggered and locked one after the other from the first stage. After the first stage has been set, the second stage is set, and so on until all stages are set. Upon the completion of all stages, the whole process is repeated again. The 12 stages of the counter provide a range of outputs which can be used in conjunction with other control circuits in order to create a highly efficient counter circuit.

The SN74HC4040N also includes a clear input which allows for resetting of the internal stages as and when required. The clear input is an active low input, as logic low signal triggers the clear signal clearing the whole counter circuit. The clear input is used for resetting the counter to 0 or for any other range of operations required by the user.

The SN74HC4040N has a wide range of applications in the industrial, automotive and consumer markets. It is most commonly used for timing and counting applications, such as in consumer-electronic products, industrial automation, automotive control systems and consumer products such as security systems, robotics, motor control and servo-motor systems. It is also suitable for frequency division, multiplexing and counting applications.

The SN74HC4040N boasts multiple features, among which include wide operating temperature range (-40°C to +85°C), very low quiescent current (≤ 10μA) and high operating speed (3.3MHz). This monolithic integrated circuit is guaranteed to offer a assured performance in various applications across the industrial, automotive and consumer markets. With its low power consumption and high-speed performance, the SN74HC4040N is able to provide excellent results in time-critical applications.

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