منابع مشابه
On Fault-Tolerant Design of Exclusive-OR Gates in QCA
Design paradigms of logic circuits with Quantum-dot Cellular Automata (QCA) have been extensively studied in the recent past. Unfortunately, due to the lack of mature fabrication support, QCA-based circuits often suffer from various types of manufacturing defects and variations, and therefore, are unreliable and error-prone. QCA-based Exclusive-OR (XOR) gates are frequently used in the construc...
متن کاملQuantification of Priority-OR Gates in Temporal Fault Trees
Fault Tree Analysis has been used in reliability engineering for many decades and has seen various modifications to enable it to analyse fault trees with dynamic and temporal gates so it can incorporate sequential failure in its analysis. Pandora is a technique that analyses fault trees logically with three temporal gates (PAND, SAND, POR) in addition to Boolean gates. However, it requires exte...
متن کاملNew Modules for Quantum - dot Cellular Automata AND & OR Gates
Among emerging technologies, Quantum-dot Cellular Automata (QCA) is an attractive alternative for transistor based technologies. In this paper, novel efficient Quantum-dot Cellular Automata (QCA) devices are proposed that provide 3-input and 4-input AND & OR gates. These gates have simple structure and are efficient in term of cell counts, complexity and latency. These components are suitable f...
متن کاملGates
Gates are a new notation for representing mixture models and context-sensitive independence in factor graphs. Factor graphs provide a natural representation for message-passing algorithms, such as expectation propagation. However, message passing in mixture models is not well captured by factor graphs unless the entire mixture is represented by one factor, because the message equations have a c...
متن کاملLow Delay Time All Optical NAND, XNOR and OR Logic Gates Based on 2D Photonic Crystal Structure
Background and Objectives: Recently, photonic crystals have been considered as the basic structures for the realization of various optical devices for high speed optical communication. Methods: In this research, two dimensional photonic crystals are used for designing all optical logic gates. A photonic crystal structure with a triangular lattice is proposed for making NAND, XNOR, and OR optica...
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ژورنال
عنوان ژورنال: Critical Quarterly
سال: 2009
ISSN: 0011-1562,1467-8705
DOI: 10.1111/j.1467-8705.2009.01888_1.x