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...

Abstract Quantum-dot cellular automata (QCA) is a likely candidate for future low power nano-scale electronic devices. Sequential circuits in QCA attract more attention due to its numerous application in digital industry. On the other hand, configurable devices provide low device cost and efficient utilization of device area. Since the fundamental building block of any sequential logic circuit ...

Low power dissipation, high packaging density and operation at Tera-hertz frequencies are highly desired features in the design and fabrication of logic circuits. Promising realization of these highly desired features have made Quantum dot Cellular Automata (QCA) a prospective replacement to the conventional CMOS technology for the fabrication of logic circuits in nano scale range. The traditio...

Molecular quantum-dot cellular automata (mQCA) has received considerable attention in nanoscience. Unlike the current-based molecular switches, where the digital data is represented by the on/off states of the switches, in mQCA devices, binary information is encoded in charge configuration within molecular redox centers. The mQCA paradigm allows high device density and ultra-low power consumpti...

In any wide-range processing system, rapid interconnecting networks are employed between the modules and embedded systems. This study deals with optimized design implementation of Switching Element (SE) which operates in four modes, accepting two inputs delivering outputs. The Shuffle-Exchange Network (SEN) can be used as a single-stage well multi-stage network. SEN is an interconnection archit...

Quantum-dot cellular automata (QCA) nanotechnology is a practical suggestion for replacing present silicon-based technologies. It provides many benefits, such as low power usage, high velocity, and an extreme density of logic functions on chip. In contrast, designing circuits with no waste information (reversible circuits) may further reduce energy losses. The Feynman gate has been recognized o...

Abstract In the design of digital logic circuits, QCA technology is an excellent alternative to CMOS technology. Its advantages over include low power consumption, fast circuit switching, and nanoscale design. Circuits that convert data between different formats are code converters. Code converters have essential role in high-performance computing signal processing. this paper, first, we propos...

Quantum-dot cellular automata (QCA) are an emerging technology and a possible alternative for semiconductor transistor based technologies. A novel fault-tolerant QCA full-adder cell is proposed: This component is simple in structure and suitable for designing fault-tolerant QCA circuits. The redundant version of QCA full-adder cell is powerful in terms of implementing robust digital functions. ...

Quantum dot cellular automata (QCA) introduces a pioneer technology in nano scale computer architectures. Employing this technology is one of the solutions to decrease the size of circuits and reducing power dissipation. In this paper, two new optimized FlipFlops with reset input are proposed in quantum dot cellular automata technology. In addition, comparison with related works is performed.Th...

Quantum-dot cellular automata (QCA) are an emerging technology and a possible alternative for semiconductor transistor based technologies. A novel fault-tolerant QCA full-adder cell is proposed: This component is simple in structure and suitable for designing fault-tolerant QCA circuits. The redundant version of QCA full-adder cell is powerful in terms of implementing robust digital functions. ...