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Journal of Computational Electronics
Published in: Journal of Computational Electronics 1/2018

03-10-2017

A signal calculation grid for quantum-dot cellular automata

Authors: Douglas Tougaw, Sami Khorbotly, Justin Szaday, Jeffrey D. Will

Published in: Journal of Computational Electronics | Issue 1/2018

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Abstract

The quantum-dot cellular automata (QCA) computing paradigm presents great promise as a potential strategy for future nanocomputing devices. Perhaps the greatest challenge facing the QCA architecture is finding a robust wire crossing strategy. In this paper, the recently introduced QCA signal distribution grid is extended to carry out generalized sum-of-products and product-of-sums calculations that are performed concurrently with signal distribution. The new signal calculation grid is capable of performing an arbitrary number of simultaneous programmable Boolean operations on an arbitrary number of inputs, and the time required to perform all of these parallel calculations is just seven clock cycles.
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Metadata
Title
A signal calculation grid for quantum-dot cellular automata
Authors
Douglas Tougaw
Sami Khorbotly
Justin Szaday
Jeffrey D. Will
Publication date
03-10-2017
Publisher
Springer US
Published in
Journal of Computational Electronics / Issue 1/2018
Print ISSN: 1569-8025
Electronic ISSN: 1572-8137
DOI
https://doi.org/10.1007/s10825-017-1075-7

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