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Design and Development of a Shift Register : A Review

Paramasivam Kumar

Abstract


Quantum-dot Cellular Automata (QCA) Technology is an emerging alternative to CMOS technology for constructing digital circuits. Future nano digital circuits based on QCA technology will be particularly favorable in terms of power consumption, device density, and speed. Shift registers are commonly used and considered in digital design, to serve as basic memory devices. Majority Gate (MG) and Inverter are the standard logic elements of QCA. In this paper, the implementation of an 8-bit universal shift register using 4 to 1 multiplexers and D-FF in QCA approach with the least amount of complexity and delay is shown.


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References


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