A novel FPGA-programmable switch matrix interconnection element in quantum-dot cellular automata

Journal Publication ResearchOnline@JCU
Hashemi, Sara;Rahimi Azghadi, Mostafa;Zakerolhosseini, Ali;Navi, Keivan
Abstract

The Quantum-dot cellular automata (QCA) is a novel nanotechnology, promising extra low-power, extremely dense and very high-speed structure for the construction of logical circuits at a nanoscale. In this paper, initially previous works on QCA-based FPGA's routing elements are investigated, and then an efficient, symmetric and reliable QCA programmable switch matrix (PSM) interconnection element is introduced. This element has a simple structure and offers a complete routing capability. It is implemented using a bottom-up design approach that starts from a dense and high-speed 2:1 multiplexer and utilise it to build the target PSM interconnection element. In this study, simulations of the proposed circuits are carried out using QCAdesigner, a layout and simulation tool for QCA circuits. The results demonstrate high efficiency of the proposed designs in QCA-based FPGA routing.

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Volume

102

ISBN/ISSN

1362-3060

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Issue

4

Pages Count

22

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Publisher

Taylor & Francis

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DOI

10.1080/00207217.2014.936526