نتایج جستجو برای: quantum dot cellular automata qca
تعداد نتایج: 760114 فیلتر نتایج به سال:
Evolution of microelectronics towards miniaturization is one of the main motivations for Nanotechnology. CMOS Technology has been targeted to integrate more and more Devices per unit area of Silicon-substrate, but there is limitation in scaling-down CMOS Circuits/Devices. Like Nanotechnology, QCA (Quantum-Dot Cellular Automata) is another alternate Technology having ability to reduce the Device...
Quantum-dot Cellular Automata (QCA) as a nanoscale transistor-less device technology offers distinguishing advantages over the limitations of CMOS circuits. While more than 2 decades of design progress have been achieved with QCA, a comprehensive composition approach for the layout design in this technology is needed. In this study, the Priority-Phased Decomposition-Driven (PPDD) QCA logic desi...
Quantum cellular automata (QCA) is a new technology in nanometre scale (<18nm) to support nano technology. QCA is very effective in terms of high space density and power dissipation and will be playing a major role in the development of the Quantum computer with low power consumption and high speed. This paper describes the design and layout of a 2-bit ALU based on quantum-dot cellular automata...
Quantum-dot Cellular Automata (QCA) technology is attractive due to its low power consumption, fast speed and small dimension; therefore it is a promising alternative to CMOS technology. Additionally, multiplexer is a useful part in many important circuits. In this paper we propose a novel design of 2:1 MUX in QCA. Moreover, a 4:1 multiplexer, an XOR gate and a latch are proposed based on our 2...
Quantum-dot cellular automata (QCA) is a novel, current-free approach to computing at the nanoscale, which, if realized in computing devices, will have broad-reaching effects in the electronics industry. First, the concept of QCA is outlined. Next, personal research topics are proposed, to include the development of theoretical quantum-dynamic models of switching QCA cells; the development of a...
<p>The limitations related to CMOS such as power consumption and parasitic capacitance lead scientists search for new technologies. Quantum-dot cellular automata (QCA) is a alternative technology that uses charges instead of voltage level binary representation. In QCA, many metrics are used circuit differentiation delay, complexity area. this work, simple block 2:1 QCA-Multiplexer propose...
Having a reliable simulation tool for evaluating the performance of each design is indispensable. Designing multiple-valued logic (MVL) systems help to overcome limitations existing in binary systems. Quantum-dot cellular automata (QCA) technology that can be substituted CMOS MVL designs. This paper represents an exquisite software platform designing and simulating circuits which are restricted...
Physical limitations of Complementary Metal-Oxide-Semiconductors (CMOS) technology at nanoscale and high cost of lithography have provided the platform for creating Quantum-dot Cellular Automata (QCA)-based hardware. The QCA is a new technology that promises smaller, cheaper and faster electronic circuits, and has been regarded as an effective solution for scalability problems in CMOS technolog...
Quantum-dot cellular automata (QCA) is an approach to computing that eliminates the need for current switches by representing binary information as the configuration of charge among quantum dots. For molecular QCA, redox sites of molecules serve as the quantum dots. The Coulomb interaction between neighboring molecules provides device–device coupling. By introducing clocked control of the QCA c...
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