Analysis And Design Of Priority Encoder Circuit Using Quantum Dot Cellular Automata

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Authors : P. Ilanchezhian, Dr. R. M. S. Parvathi
Publication Date: 08-03-2013


Author(s):  P. Ilanchezhian, Dr. R. M. S. Parvathi

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Vol.2 - Issue 3 (March - 2013)

e-ISSN:   2278-0181


Today digital circuits play a prominent role in most of the communication applications. In this paper an effective approach to analysis and design of priority encoder using quantum dot cellular automata is explored in nanoscale. This paper we use three input majority gate is the fundamental component of the QCA circuit implementation. The proposed priority encoder circuit is designed and simulated using quantum dot cellular automata designer tool for the four input levels and also this simulator tool is more useful for building a complex priority encoder input levels. The proposed structure of encoder required only less number of majority gate functions compared to previous structures because of its three input levels.


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