Exploration of the synchronization constraint in quantum-dot cellular automata
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Universidade Federal de Minas Gerais
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Quantum-dot Cellular Automata (QCA) is a field-coupled nanotechnology which might enable design with high performance and extraordinary low energy dissipation. Infor-mation processing and flow in QCA is controlled by external clocks, which requires a proper synchronization already during circuit design phase. In this paper, we discuss the fundamental differences between local and global synchronicity in QCA circuits. Further, we show that it is possible to relax the global synchronicity constraint and discuss the consequent impact on the design performance. Simulation results indicate that the design size can be reduced by about 70% while the throughput performance declines by similar values.
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Sistemas especialistas (Computação), Processamento eletrônico de dados, Sistemas operacionais (Computadores)
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Clocks , Logic gates , Synchronization , Quantum dots , Automata , Wires , Switches, Quantum-dot Cellular Automata, Synchronicity, Place and Route, Synchronization , Cellular Automata , Synchronization Constraint , Quantum-dot Cellular Automata , Throughput , Circuit Design , External Clock , Absolute Difference , Loss Of Generality , Input Signal , Cell Polarity , Flow Data , Inverter , Equal Length , Boolean Logic , Cells In Zone , Node Level , Global Behavior , Clock Cycles , Clock Signal , Global Synchronization , Phase Switching , Clock Phase , Routing Algorithm , Binary Ones , Primary Output, A Cellular Automaton (CA) is a discrete model used in computational and mathematical research to simulate complex systems. It consists of a grid of cells, each of which can be in one of a finite number of states. The state of each cell changes over time according to a set of rules that depend on the states of neighboring cells
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https://ieeexplore.ieee.org/document/8491880