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Research Paper | Electronics & Communication Engineering | India | Volume 3 Issue 7, July 2014 | Popularity: 7.3 / 10

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Low Power 8 Bit quantum ALU Implementation Using Reversible Logic Structure

Vijay G. Roy, P. R. Indurkar, D. M. Khatri

Abstract: Reversible computation emerged as a result of the utilization of quantum mechanics principles in the development of a universal computing machine. Reversible computing has a strong impact on digital logic designs. Reversible logic units are required to recover the state of inputs from its outputs. It will have an impact on instruction sets and high-level programming languages as well. Finally, these will also have to be reversible to produce optimal efficiency. Upcoming advancements in reversible logic allow new methods for computer architectures using improved quantum computer algorithms. Important contributions have been made in the literature based on the design of reversible logic gate structures and arithmetic units, however, there are not many efforts directed towards the design of reversible ALUs. In this work, novel programmable reversible logic gates are presented and utilized, and its implementation in the design of a reversible Arithmetic Logic Unit is illustrated. Using 1 bit ALU, an 8 bit ALU has been designed and verified. This proposed 8 bit ALU is also compared against the existing 8 bit ALU with reference to few important parameters such as power dissipation and propagation delay. The major advantage of proposed ALU is the increased number of operations with certain number of select inputs with low power consumption. This ALU can be utilized in low power VLSI design, nanotechnology, quantum computing and optical computing

Keywords: Quantum computing, Reversible logic structures, Arithmetic logic unit, VLSI, Low power dissipation

Edition: Volume 3 Issue 7, July 2014

Pages: 901 - 904

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