Design and Analysis of 16 Bit Reversible ALU
Journal Title: IOSR Journals (IOSR Journal of Computer Engineering) - Year 2012, Vol 1, Issue 1
Abstract
Reversible or information-lossless circuits have applications in digital signal processing, communication, computer graphics and cryptography. Reversibility plays an important role when energy efficient computations are considered. Reversible logic is used to reduce the power dissipation that occurs in classical circuits by preventing the loss of information. This paper proposes a reversible design of a 16 bit ALU. This ALU consists of eight operations, three arithmetic and five logical operations. The arithmetic operations include addition, subtraction, multiplication and the logical operations include NAND, AND, OR, NOT and XOR. All the modules are being designed using the basic reversible gates. The power and delay analysis of the various sub modules is performed and a comparison with the traditional circuits is also carried out
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