74HCT165PW,112

Series:	74HCT
Packaging:	Tube
Part Status:	Active
Logic Type:	Shift Register
Output Type:	Complementary
Number of Elements:	1
Number of Bits per Element:	8
Function:	Parallel or Serial to Serial
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	16-TSSOP
Base Part Number:	74HCT165

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Introduction
Logic - Shift Registers are an electronic logic circuit designed to store a fixed number of bits, in this case 8, and to shift these bits along the register, usually either left or right, one bit at a time. The 74HCT165PW,112 is a kind of Shift Registers which is widely used for serial communication interface for automation technology. These registers make it easier for shift data by making it possible to do push or pop operations to insert or delete information without shuffling data around.Application Field
The main applications of 74HCT165PW,112 shift registers include digital communications, digital control systems and a wide range of industrial electronics. It can also be used in point-to-point digital communication systems, serial-to-parallel conversion of digital data and LED used to display binary data in digital control systems. This registers can also serve as a data store counter, a shift register, an input register or even an output register, allowing it to be used in automation operations such as digital logic gates, encoders and decoders, and multiplexers.Working Principle
The working principle of the 74HCT165PW,112 involves passing a bit from a Shift In pin or from a register within the shift register to the Output pin or to the other registers inside the circuit. This process is called shifting. The shift in pin is at the left side of the circuit and the new bit enters from this side of the circuit. It can be used in two commonly used modes: serial-in/serial-out (SISO) or serial-in/parallel-out (SIPO). In the SISO mode, the bit entered through the shift in pin is then moved into the other registers within the circuit, and it will move out of the circuit through the output pin. Similarly, in the SIPO Mode, the bit introduced to the shift in pin will move in to all other registers in the circuit, and the outputs of all the registers will be used as the outputs of the circuit.Control & Data Flow
In addition to the movement of the bits, input is also required to control the operations of the 74HCT165PW,112. The two types of control required for this shift registers to work effectively is the Clock Input and the Serial Load (S/L) Control Line. The clock input is used to determine when the shift is occurredi.e when a new data should enter into the circuit or when an existing data should exit. The Serial Load Control Line is used to introduce data into the circuit and for the SISO mode, this line will be used to indicate when the data should enter or exit the shift register.Advantages
The 74HCT165PW,112 shift registers offer many advantages such as low power consumption, wide operating voltage range, fast operation and low power consumption. It can also be used as an output register, allowing it to be used in automation operations. The main advantage is that data can be quickly shifted in and out of the shift register, allowing more efficient data storage and making it easier to move data around quickly.Conclusion
The 74HCT165PW,112 is a kind of Shift Registers which is widely used for various digital communication, control systems and industrial electronics. It is an effective way to store and shift bits and can be used in SISO and SIPO modes. It has low power consumption, wide operating voltage range, fast operation and low power consumption. Through the use of the appropriate control inputs, the shift register can quickly and effectively move bits to and from the registers.

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