SN74LV165AMPWREP

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SN74LV165A is a logic-shift register integrated circuit (IC) designed for low-voltage and low-power applications. This device is comprised of 8-bit shift register with eight 3-state outputs and a clock input, and operates at a voltage ranging from 2.3V to 3.6V. SN74LV165A is able to rapidly shift data and provide access to any register bit at any time, making it a perfect choice for data control and sequential logic applications. It is also ideal for applications where direct control of a logic state is not critical, making it suitable for memory applications and serial-parallel conversion.

The SN74LV165A shift register\'s functions and features include: four clock modes: falling edge triggered, rising edge triggered, data synchronized latch and inverted data synchronized latch, synchronous parallel loading functionality, programmable clock rate and a clocking option for both low to high and high to low outputs. The device has an eight-bit storage capacity with eight 3-state outputs and a clock input that can be used to shift in data by applying a digital waveform to the clock input. The 8 output lines are all open drain type, meaning the output can be tri-stated by driving the output low. The transfer of data from the inputs to the outputs is done serially, and the speed of data transfer is determined by the clock frequency and can be programmed to suit the application.

The working principle of the SN74LV165A shift register is quite simple. Data is entered into the device on the 8-bit inputs which then gets shifted out on the 8-bit output pins in response to the clock input. In other words, when a clock pulse is initially applied, the state of the 8-bit inputs gets shifted out in sync with the clock input. When there are 8 clock pulses provided (1 bit transferred per pulse), all 8 bits of the previous input are shifted out and the 8-bit inputs are now all zeros (or other pre-programmed values). As long as the clock pulses keep on ticking, all 8 bits of the inputs will be shifted out one at a time.

The SN74LV165A shift register is commonly used in applications such as data acquisition and storage, digital clock circuits and programmable timers, digital compensation and calibration, motor control, digital filters, computer/microcontroller/microprocessor interfacing, communications and data transmission, and data flow control.

In summary, the SN74LV165A is a versatile logic-shift register IC that is ideal for applications that require rapid, reliable and cost-effective data transfer. Its small size, low power requirement, and simple programming make it a top choice for various applications, ranging from communications to motor control.

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