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首页> 外文期刊>Microelectronic Engineering >A novel controllable inverter and adder/subtractor in quantum-dot cellular automata using cell interaction based XOR gate
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A novel controllable inverter and adder/subtractor in quantum-dot cellular automata using cell interaction based XOR gate

机译：基于细胞交互的XOR门的量子点蜂窝自动机中的一种新型可控逆变器和加法器/减法器

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摘要

A promising nanotechnology, quantum-dot cellular automata (QCA), offers a new method for implementing digital systems at a nano-scale with significant improvements. In this paper, a novel three-input XOR gate that is based on a cell-interaction design is proposed. It can be used as a multifunctional gate by fixing one of the structure's inputs, which allows two-input XOR or XNOR gates to be easily implemented. By utilizing the three-input XOR gate, a coplanar compact full adder is created. Additionally, this paper focuses on an 8-bit adder/subtractor design using QCA. Novel design for an 8-bit adder and 8-bit controllable inverter are also proposed. The functionality and performance of the designs are demonstrated using the QCADesigner tool and by comparison with other existing designs. Moreover, a comprehensive power dissipation analysis is also conducted by QCAPro simulator.
机译：一个有前途的纳米技术，量子点蜂窝自动机（QCA），提供了一种以显着改进的纳米级实现数字系统的新方法。本文提出了一种基于细胞交互设计的新型三输入XOR门。它可以通过固定结构的输入之一来用作多功能门，这允许易于实现两个输入XOR或XNOR栅极。通过利用三输入XOR门，创建了共面紧凑的完整加法器。此外，本文侧重于使用QCA的8位加法器/减法器设计。还提出了8位加法器和8位可控变频器的新颖设计。使用QCadesigner工具和与其他现有设计进行比较来演示设计的功能和性能。此外，QCAPro模拟器还进行了全面的功耗分析。

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