SN74HC165DBR

Series:	74HC
Packaging:	Tape & Reel (TR)
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:	2 V ~ 6 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	16-SSOP (0.209", 5.30mm Width)
Supplier Device Package:	16-SSOP
Base Part Number:	74HC165

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Introduction to SN74HC165DBR Logic - Shift Registers

Logic - Shift Registers are one of the most important and versatile parts of digital electronics. A shift register is a device that stores multiple bits of data in a set of memory elements, and each element can be shifted into the next position. This allows the registers to shift data from one end to the other, and in complex systems, multiple registers can be connected together to form “shift networks” that can move data among multiple distinct internal or external modules. The SN74HC165DBR is one such set of registers, and it is used widely in many applications.

Overview of SN74HC165DBR

The SN74HC165DBR is a low-power, 8-bit, parallel-to-serial shift register that operates from a single 3V to 5.5V supply. It is made up of 8 flip-flops, which are enabled when the chip select (CS) signal is low. Each of the flip-flops has its own positive edge-triggered clock (CLK) and data inputs (D0–D7). The device also includes a chip enable (EN) signal that is used to enable the output stage (Q0–Q7) at any time.The shift register transfers the data from D0 to D7 to the output (Q0–Q7) when the CLK signal is high. The data is shifted into the register on the rising edge of the CLK signal and is then transferred to the output on the falling edge of the CLK signal. The EN signal can be used to stop the data from being shifted into the register. The SN74HC165DBR also includes an asynchronous reset signal (RST) that can be used to reset the state of the register at any time.

Applications of SN74HC165DBR

The SN74HC165DBR is used in many different applications, such as design automation and robotics. In design automation, the register is used to store large amounts of data and transfer it between different modules. This can include design rules, detailed design specifications and chip programming.In robotics, the register can be used to store commands and to transfer the data between the controller and the robotic arm. The data can be used to control the arms movements and provide feedback to the controller.The SN74HC165DBR can also be used in medical and military applications. In medical applications, the register can be used to store medical information, such as patient history, medical images and measurements. In military applications, the register can be used to store and transfer information about target locations and battlefield terrain.

Working Principle of SN74HC165DBR

The SN74HC165DBR is a shift register that operates on the principle of parallel input and serial output. The device consists of eight flip-flops, and each one has its own independent data input, clock input and reset signal. The data is shifted into the register on the rising edge of the CLK signal and is then transferred to the output on the falling edge of the CLK signal. The EN signal can be used to stop the data from being shifted into the register. The device also includes an asynchronous reset signal (RST) that can be used to reset the state of the register at any time.Once the data is shifted into the register, it is then transferred out in serial fashion on the falling edge of the CLK signal. The register shifts out the data in the same order that it was shifted in. This allows the data to be transferred from one module to another, allowing for greater flexibility and more complex operations.

Conclusion

The SN74HC165DBR is one of the most important and versatile parts of digital electronics. It is a low-power, 8-bit, parallel-to-serial shift register that operates from a single 3V to 5.5V supply and is used in a variety of applications, such as design automation and robotics. The shift register transfers the data from D0 to D7 to the output (Q0–Q7) when the CLK signal is high, and the data is shifted into the register on the rising edge of the CLK signal and is then transferred to the output on the falling edge of the CLK signal. The EN signal can be used to stop the data from being shifted into the register, and the RST signal can be used to reset the state of the register at any time.

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