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<p>Low power and high speed are the expected qualities of today’s computing machines. Researchers present many architectural and technological solutions. One such possibility is a reversible logic-based implementation for energy-efficient and high-speed computing. In this research, a review of reversible logic-based combinational circuits is discussed. The combinational circuits considered are adder/subtractor, comparators, multiplexer/ demultiplexer, code converters, and encoder/decoder. These circuits are analyzed based on the circuit’s construction, reversible gates used for construction, size of the gates used, parity preservation, performance improvements, the technology used, and critical evolution. Finally, some of the significant pitfalls of the existing methods and possible research directions are revealed. It is observed that the reversible logic needs enhancement in parity preservation and part reduction in quantum dot cellular automata (QCA). It offers insights on how to use reversible QCA technology to create energy-efficient, scalable, and high-density nanoelectronic structures. The discoveries help advance next-generation computing paradigms that emphasize efficiency, scalability, and high-performance operation.</p>

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Reviewing the design and qualitative analysis of reversible combined circuits

  • 期刊论文

  • 发表日期：

    2026年2月19日

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  • Ying Wang

摘要

Low power and high speed are the expected qualities of today’s computing machines. Researchers present many architectural and technological solutions. One such possibility is a reversible logic-based implementation for energy-efficient and high-speed computing. In this research, a review of reversible logic-based combinational circuits is discussed. The combinational circuits considered are adder/subtractor, comparators, multiplexer/ demultiplexer, code converters, and encoder/decoder. These circuits are analyzed based on the circuit’s construction, reversible gates used for construction, size of the gates used, parity preservation, performance improvements, the technology used, and critical evolution. Finally, some of the significant pitfalls of the existing methods and possible research directions are revealed. It is observed that the reversible logic needs enhancement in parity preservation and part reduction in quantum dot cellular automata (QCA). It offers insights on how to use reversible QCA technology to create energy-efficient, scalable, and high-density nanoelectronic structures. The discoveries help advance next-generation computing paradigms that emphasize efficiency, scalability, and high-performance operation.