CD74HC195NSR

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Logic - Shift Registers are the building blocks that are used in the design of digital systems, such as computers and automated control systems. The CD74HC195NSR is a specific type of logic - shift register that is used in a variety of applications, including system timing and control applications as well as clock generation. This article will discuss the application field of CD74HC195NSR and its working principle.

The CD74HC195NSR is a 16-bit, serial-in/serial-out shift register. It is a type of logic integrated circuit that utilizes the concepts of flip-flops, shift registers, and logic gates to perform functions. The device typically has an 8-bit parallel data input, a 1-bit synchronized parallel data output, and a 15-bit shift register for temporary data storage. The device also includes a clock, set, and reset pin, as well as a serial data input and output pin. The CD74HC195NSR is a synchronous device, meaning that any data applied to the input pins is synchronously shifted into the device with the clock. This ensures that the data is properly synchronized with other devices that are connected to the same clock.

The CD74HC195NSR can be used in a variety of application fields, including industrial process control and systems timing. The device can be used for data acquisition and control functions where the timing of the input data must be synchronized with the clock of the system. It can also be used for pulse-width modulation schemes for controlling stepper motors, servos, or other processes. The device can be used for a variety of other functions, including frequency division, in which the output clock is set to a specific frequency to drive other devices.

The working principle of the CD74HC195NSR is quite simple. The device takes data in on the parallel input pins at the rising and falling edges of the clock. The data is then shifted into the internal shift register, where it is held until the next clock edge. At the falling edge of the clock, the data in the shift register is shifted out, with the last bit being shifted out first. This process is repeated until all of the data in the shift register has been shifted out. The device features a reset pin which forces all of the data to be cleared before being shifted in, allowing the device to be reset in the middle of a data transfer.

In summary, the CD74HC195NSR is a versatile logic integrated circuit that can be used for a variety of applications. It is a 16-bit, serial-in/serial-out shift register, which can be used for data acquisition and control functions as well as frequency division. The device utilizes a simple working principle in which data is synchronized with the clock when it is shifted into the internal shift register, and then shifted out at the falling edge of the clock. This makes the device useful for a variety of systems timing and control applications.

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