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引用次数: 4
摘要
本文介绍了两种数字代码转换器,一种是过剩-3转换为十进制,另一种是十进制转换为过剩-3。在量子点元胞自动机(QCA)纳米技术中,利用tile方法设计了所提出的电路。tile方法为多数门和非门提供了一个独特的块。这一特性有利于集成电路,并且由于非门在tile方法中不使用,因此所提出的电路可以尽可能快地完成工作。所提出的两种代码转换器都具有1.75时钟周期延迟,能量损耗约为100meV。在小数-3码转十进制转换器中,使用516个单元,其面积等于0.43 μ m 2,同样用于小数-3码转换器。采用321个单元,面积为0.28µm 2。
Decimal to Excess-3 and Excess-3 to Decimal Code Converters in QCA Nanotechnology
In this paper, two digital code converters are presented, excess-3 to decimal, and decimal to excess-3. The tile method is used to design proposed circuits in quantum-dot cellular automata (QCA) nanotechnology. The tile method gives a unique block for the majority and NOT gates. This property facilitates integrating circuits and since the NOT gate is not used in the tile method, the proposed circuits can do their work as fast as possible. Both of the proposed code converters has 1.75 clock cycles delay and have an energy dissipation of about 100meV. In the excess-3 code to decimal converter 516 cells are used, which occupy an area equal to 0.43µm 2 also in the decimal to excess-3 code converter. 321 cells are used, which occupy an area equal to 0.28 µm 2 .
期刊介绍:
The objective of the International Journal of Engineering is to provide a forum for communication of information among the world''s scientific and technological community and Iranian scientists and engineers. This journal intends to be of interest and utility to researchers and practitioners in the academic, industrial and governmental sectors. All original research contributions of significant value in all areas of engineering discipline are welcome. This journal is published in two quarterly transactions. Transactions A (Basics) deals with the engineering fundamentals. Transactions B (Applications) are concerned with the application of engineering knowledge in the daily life of the human being and Transactions C (Aspects) - starting from January 2012 - emphasize on the main engineering aspects whose elaboration can yield knowledge and expertise that can equally serve all branches of engineering discipline. This journal will publish authoritative papers on theoretical and experimental researches and advanced applications embodying the results of extensive field, plant, laboratory or theoretical investigation or new interpretations of existing problems. It may also feature - when appropriate - research notes, technical notes, state-of-the-art survey type papers, short communications, letters to the editor, meeting schedules and conference announcements. The language of publication is English. Each paper should contain an abstract both in English and Persian. However, for the authors who are not familiar with Persian language, the publisher will prepare the translations. The abstracts should not exceed 250 words.