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Molecular quantum-dot cellular automata (QCA) is an emerging computing paradigm which utilizes electrostatic coupling between electronic configurations in neighboring molecules to perform information processing. A simulation tool for this technology, QCADesigner, exists and allows designers to quickly layout and simulate QCA circuits constructed with up to thousands of QCA cells. However, in general,...
In this paper, we present an extension to the existing PODEM algorithm to include the ability to generate test patterns for majority and minority networks, specifically targeting quantum-dot cellular automata (QCA), but that is directly applicable to other emergent nanotechnologies such as single electron tunneling (SET) and tunneling phase logic (TPL). A dynamic probability-based controllability...
This paper analyzes the effect of random phase shifts in the underlying clock signals on the operation of several basic quantum-dot cellular automata (QCA) building blocks. Such phase shifts can result from manufacturing variations or from uneven path lengths in the clocking network. While previous literature has proposed various clock distribution architectures and also provided analysis of manufacturing...
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