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Design of a Half/Full Subtractor on Quantum-Dot Cellular Automata


Waseem H. Wani, Mohammad T. Banday, Saroj Patel
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Quantum-dot cellular automata (QCA) is a novel nanotechnology which promises molecular digital circuits with ultra-high clock frequencies, alternative solution to replace to replace the conventional CMOS technology which is reaching their physical limits. Despite a lot is still needed for the large scale utilization of the technology, there has been serious effort in digital design implementation in QCA. In this paper, a new architecture of Half and Full subtractor based on the QCA is proposed. The benefit of optimal FNZ universal gate is taken in demonstrating these arithmetic units, which has already designed based on the QCA. The design helps to reduce the complexity, then the conventional subtractors based on the QCA, in terms of covered area, count of the cells, and delay. The proposed subtractors are designed and simulated using QCA Designer tool version 2.0.3.

Waseem H. Wani, Mohammad T. Banday, Saroj Patel

Quantum dot cellular automata, Half subtractor, Full subtractor, FNZ universal gate

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Publication Details

Published in : Volume 2 | Issue 3 | May-June - 2016
Date of Publication Print ISSN Online ISSN
2016-06-30 2395-1990 2394-4099
Page(s) Manuscript Number   Publisher
133-136 IJSRSET1622418   Technoscience Academy

Cite This Article

Waseem H. Wani, Mohammad T. Banday, Saroj Patel, "Design of a Half/Full Subtractor on Quantum-Dot Cellular Automata ", International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 2, Issue 3, pp.133-136, May-June-2016.
URL : http://ijsrset.com/IJSRSET1622418.php