2024
DOI: 10.1088/1402-4896/ad48e8
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QCA-based fault-tolerant XOR Gate for reliable computing with high thermal stability

Syed Farah Naz,
Ambika Prasad Shah,
Suhaib Ahmed

Abstract: The XOR gate is an essential element in the design of digital circuits due to its versatility and usefulness. The design of XOR gate in this paper is based on Quantum-dot Cellular Automata (QCA) 2D planner technology with no line-to-line intersections. The output amplitude is improved by redundant cell-based design, which also helped reliability and fault tolerance outperform. The proposed XOR gate achieves fault tolerance to single-cell addition and missing-cell defects from 68.48% to 95.33%. In addition, the… Show more

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