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The Quantum Cost Optimized Design of 2:4 Decoder Using the New Reversible Logic Block


Heranmoy Maity *, Arindam Biswas, Anup Bhattacharjee and Anita Pal   Pages 1 - 3 ( 3 )


This paper presents the quantum cost (QC), garbage output (GO), constant input (CI) and number of reversible gate (GC) optimized 2:4 decoder using 4×4 new reversible logic gate which is named as reversible decoder gate or RD gate. The proposed gate is implemented with quantum circuit, QC of the proposed RD gate is 8. The proposed decoder can be design using only one new proposed gate. The QC, GO, CI and GC of the proposed 2:4 decoder is 9, 0, 2 and 1. Which is better w.r.t previously reported work. The improvement % of QC, GO, CI and GC are 12.5 – 77.148 %, 100 %, 33.33 – 75 % and 0 – 85.71 %.


Reversible logic gate, decoder, quantum cost, garbage output, constant input


Dept. of ECE, NSHM Knowledge Campus Durgapur Durgapur, West Bengal 713212, School of Mines & Metallurgy Kazi Nazrul University Asansol, West Bengal 713305, Dept. of ECE, National Institute of Technology Durgapur, West Bengal 713209, Dept. of Mathematics, National Institute of Technology Durgapur, West Bengal 713209

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