74LV164PW,118

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Shift Registers are a type of sequential logic circuit, which is used to shift and store data within a specific register. The 74LV164PW,118 is part of a family of logic ICs that are used to shift and store data, or to provide data conversion between serial and parallel data formats. This shift register has an 8-bit capacity. It contains 8 x active-low serial data inputs (S_IN) and 8 x active-low parallel data outputs (P_OUT). The chip has an active-low clock input (CLK) and an active-low reset input (RES). It also features an active-high Phase Extension input (PE) and an active-high Serial Enable input (SE).

The 74LV164PW,118 is a synchronous register in which all operations are controlled by a single external clock. The register is able to accept up to 8-bits of parallel data on S_IN and store it in the shift register on a positive transition at the clock input (CLK). This stored data can then be shifted out serially on the P_OUT output with each positive transition at the clock input. The active-high Serial Enable (SE) input allows the user to choose to either input or output serial data.

The 74LV164PW,118 can be used in many applications such as data acquisition, data conversion, communications and process control. In data acquisition, the register can be used to acquire digital samples from a source such as a sensor, instrumentation, or storage device and systematically store them in the register. In data conversion applications, the device is used to convert data from serial data inputs to parallel data outputs. In communications applications, the register is used to convert individual data bits from a serial or parallel source into a serial data stream or serial data into a parallel data stream. In process control applications, the register is used to control the sequence of operations of a programmable logic controller using the serial data inputs and parallel data outputs.

The 74LV164PW,118 shift register operates by first receiving data at the active-low serial data inputs (S_IN). This data is then clocked into the register on a positive transition at the clock input (CLK). The data is then stored in the register. On a subsequent positive transition at the clock input (CLK) this stored data is shifted out serially, while new data is stored in the register. This process is repeated until all data stored in the register has been shifted out. This data can then be transferred to the active-high parallel data outputs (P_OUT) by the active-high Serial Enable (SE) input.

The 74LV164PW,118 shift register provides a convenient and versatile way of transferring and storing data. The device’s synchronous operation and active-low data inputs and outputs make it ideal for a wide range of applications from data acquisition and conversion, communications and process control.

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