دانلود رایگان ترجمه مقاله جمع کننده آتوماتای کوانتومی سلولی هم صفحه بر اساس سه ورودی مفید XOR – الزویر ۲۰۱۷
دانلود رایگان مقاله انگلیسی جمع کننده اتوماتای سلولی کوانتومی هم صفحه بر اساس سه داده مفید مدخل XOR به همراه ترجمه فارسی
عنوان فارسی مقاله: | جمع کننده اتوماتای سلولی کوانتومی هم صفحه بر اساس سه داده مفید مدخل XOR |
عنوان انگلیسی مقاله: | Towards coplanar quantum-dot cellular automata adders based on efficient three-input XOR gate |
رشته های مرتبط: | فیزیک، فیزیک محاسباتی، فیزیک کاربردی، فیزیک اتمی مولکولی، نانو فیزیک |
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نشریه | الزویر – Elsevier |
کد محصول | F485 |
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بخشی از ترجمه فارسی مقاله: مقدمه مدخل سه داده جدید QCA XOR در بخش ” معماری پیشنهادی ” پیشنهاد شده است. علاوه بر این، ما یک سلول جمع کننده کامل تک بیتی QCA جدید و یک RCA 4 بیتی جدید بر اساس این دروازه XOR جدید ایجاد می کنیم. بخش «نتایج شبیه سازی و مقایسه» معماری پیشنهادی را با معماری دیگر از QCA مقایسه می کنیم. در نهایت بخش «نتیجه» این مقاله، نتیجه گیری می کند. شکل ۲ روش های عبور سیم در تکنولوژی QCA را نشان می دهد. |
بخشی از مقاله انگلیسی: Introduction The conventional technologies such as CMOS technology have faced with problems such as high-noise absorption, high-power consumption, short circuit effects [1], and reducing gate control [2]. As a result, the possibility of constructing VLSI with lowpower consumption, high-speed, high-density and easily build has become more difficult. Thus, the researchers are required to use the substitute technologies. Single electron transistors [3], molecular devices [4], Spintronics [5], Quantum-dot cellular automata (QCA) [1,6,7] and Carbon-Nano-Tube Field Effect Transistors (CNTFETs) [8,9] are considered as replaced technologies [10,11]. Based on three criteria power, area and delay time, QCA can be considered as an alternative for CMOS technology. In this paper, we propose an efficient 3-input QCA XOR gate using explicit interactions between QCA cells. In addition, we have use a half distance. To show the suitable functionality of the proposed XOR gate, a one-bit full adder and a 4-bit QCA Ripple Carry Adder (RCA) is constructed based on the proposed QCA XOR gate. The proposed architectures are simulated using QCADesigner. The simulation results show that the proposed architectures have advantages compared to other QCA architectures. The rest of this paper is organized as follows. In Section ‘‘Back ground”, an over view of the QCA and related works are presented. A novel 3-input QCA XOR gate is proposed in Section ‘‘The proposed architectures”. In addition, we construct a new QCA onebit full adder cell and a new 4-bit RCA based on this novel XOR gate. Section ‘‘Simulation and Comparison Results” compares the proposed architectures to other QCA architectures. Finally, Sectio n ‘‘Conclusion” concludes this paper. Back ground Quantum cells Quantum cells are tunneling elements that act on the transaction and interaction between quantum dots. Quantum cells form as square blocks that are two electrons within them. Unlike conventional structures, the logical values in this structure are not displayed using voltage levels, but they are determined according to the position of electrons in quantum dots. This notion was proposed in 1993 by Lent et al. [6]. Using QCA, the chip area and powerconsumption are significantly reduced and the operating frequency are considerably increased. Fig. 1 shows a simplified quantum cell. As it is shown in Fig. 1, a square space with two free electrons constitute quantum cell. There is a point in every corner called quantum dots. Electron pairs in each cell can move by the tunneling quantum dots, but due to coulomb interaction between them, that are always located in diameter, position of electrons in the cell determines the cell polarity. This polarization has two values +1 and ۱, which are interpreted in binary logic one and zero. So, if one cell with polarity +1 is placed near other cells, due to the repulsion between the electrons of two adjacent cells, the cell polarity also changes to +1. QCA contact wires Fig. 2 shows wire crossing methods in the QCA technology. In this technology, wires which are formed from the same quantum cells, interact with each other to transmit information. This means that the polarization of adjacent cells is transmitted along the wire due to coulomb interactions. |