Nano Science and Technology Institute
Nanotech 2010 Vol. 2
Nanotech 2010 Vol. 2
Nanotechnology 2010: Electronics, Devices, Fabrication, MEMS, Fluidics and Computational
 
Chapter 1: Electronics & Photonics
 

Enhancement of Defect Tolerance in the QCA-based Programmable Logic Array (PLA)

Authors:T. Notsu, K. Miura, K. Nakamae
Affilation:Osaka University, JP
Pages:29 - 32
Keywords:QCA, PLA, simulation, defect tolerance
Abstract:In this study we analyze the precedent AND/OR plane cell of a programmable logic array (PLA) based on the quantum-dot cellular automata (QCA), then propose a modified layout that has better defect tolerance. We analyzed which QCA device (quantum-dot cell) limits the defect tolerance of the precedent AND/OR plane cell by a simulator. It was found that the crossing-point of a wire and an inverter-chain causes degradation of the defect tolerance. We propose a new layout of the AND/OR plane cell that improves the defect tolerance of QCA-based PLA. The defect tolerance of the QCA-based PLA with the precedent AND/OR plane cells and that with the proposed cells are evaluated by a simulator. The results show that our PLA have better defect tolerance.
ISBN:978-1-4398-3402-2
Pages:862
Hardcopy:$189.95
 
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