Design of 1-bit Comparator using 2 Dot 1 Electron Quantum-Dot Cellular Automata

In nanotechnologies, quantum-dot cellular automata (QCA) offer promising and attractive features for nano-scale computing. QCA effectively overcomes the scaling shortfalls of CMOS technology. One of the variants of QCA is 4 Dot 2 Electron QCA which is well explored and researched. The main concentration of this study is on 2 Dot 1 Electron QCA, an emerging variant of QCA. A novel and efficient XOR gate based on 2 Dot 1 Electron QCA is designed. Moreover a comparator using the proposed novel XOR gate is presented in this present scope. The proposed architecture is justified using a well-accepted standard mathematical function based on Coulomb’s law. Energy and power dissipation of the architecture are analyzed using different energy parameters. AS the compactness of proposed design is 76.4% the design met high degree of compactness and better efficiency.

@article{Sarker2017,
  title     = {Design of 1-bit Comparator using 2 Dot 1 Electron  Quantum-Dot Cellular Automata},
  journal   = {International Journal of Advanced Computer Science and Applications},
  volume    = {8},
  number    = {3},
  year      = {2017},
  publisher = {The Science and Information Organization},
  author    = {Angona Sarker and Md. Badrul Alam Miah and Ali Newaz Bahar},
  doi       = {10.14569/IJACSA.2017.080366},
  url       = {https://doi.org/10.14569/IJACSA.2017.080366}
}