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access icon free Innovative model for ternary QCA gates

© The Institution of Engineering and Technology
Received 25/06/2017, Accepted 19/10/2017, Revised 25/09/2017, Published 25/10/2017

Implementation of basic ternary logic gates is more complex than binary gates in quantum-dot cellular automata (QCA) technology. Several models have been presented for designing ternary logic gates. Most of these models are different solutions and are based on manual calculations. It seems that no simulation tool for designing ternary QCA (tQCA) logic gates has been presented. Unlike previous works, this study is an attempt to introduce an alternative model and the related software for tQCA logic gates. Prominent basic ternary logic gates – such as Min gate, Max gate and inverter – are proposed and simulated in the newly designed TQCAsim software which is an accurate simulation and design tool and is based on the algorithm proposed in this study. Unlike QCA designer software, which has been designed for binary QCA, TQCAsim is designed exclusively for tQCA. Thus, this software can be used to verify and implement the proposed tQCA gates and even earlier designs.

Inspec keywords: logic design; quantum dots; integrated circuit modelling; ternary logic

Other keywords: Min gate; Max gate; binary gates; TQCAsim software; tQCA logic gates; binary QCA; inverter; basic ternary logic gates; ternary logic gate design; QCA designer software; QCA technology; ternary QCA gates; innovative model; quantum-dot cellular automata technology

Subjects: Digital circuit design, modelling and testing; Logic circuits; Logic and switching circuits; Logic design methods

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