najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2018-9-4-473-483najo-712Research ArticlePHYSICSФИЗИКАA new efficient non-reversible 4 bit binary to gray and 4 bit gray to binary converter in QCAIslamMd. T.

Md. Tajul Islam, Department of Information and Communication Technology

Santosh, Tangail-1902

tajulmbstu@gmail.comJahanG. S.

Golam Sarwar Jahan, Department of Information and Communication Technology

Santosh, Tangail-1902

sarwar13040@gmail.comBaharA. N.

Ali Newaz Bahar, Department of Information and Communication Technology

Santosh, Tangail-1902

baharmitdu@yahoo.comAhmedK.

Kawsar Ahmed, Department of Information and Communication Technology

Santosh, Tangail-1902

kawsar.ict@mbstu.ac.bdAbdullah-Al-ShafiMd.

Dhaka-1000

alshafi08@gmail.comMawlana Bhashani Science and Technology UniversityBangladeshInstitute of Information Technology (IIT), University of DhakaBangladesh20181308202594473483Copyright © Islam M.T., Jahan G.S., Bahar A.N., Ahmed K., Abdullah-Al-Shafi M., 20252025Islam M.T., Jahan G.S., Bahar A.N., Ahmed K., Abdullah-Al-Shafi M.Islam M.T., Jahan G.S., Bahar A.N., Ahmed K., Abdullah-Al-Shafi M.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/712

The present Very Large Scale Integration (VLSI) technology is based on Complementary Metal-oxide-Semiconductor (CMOS) technology. The development of the VLSI technology has reached its peak due to the fundamental physical limits of CMOS technology. The recent challenges, as well as the physical limitation of the traditional CMOS technology, has overcome by the Quantum-dot Cellular Automata (QCA) which is first introduced by C. S. Lent. The nanoscale size quantum cell is a feature of QCA technology. In this paper, we propose a new QCA structure for 4-bit binary to 4-bit gray and 4-bit gray to 4-bit binary using two input XOR gate. These structures are designed and simulated with QCA designer and compared with previous structure.

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The authors declare that there are no conflicts of interest present.