Exploration of the Synchronization Constraint in Quantum-dot Cellular Automata

被引：11
|
作者：
Torres, Frank Sill [1 ,2 ]
Silva, Pedro A. [3 ]
Fontes, Geraldo [3 ]
Nacif, Jose Augusto M. [3 ]
Ferreira, Ricardo Santos [3 ]
Vilela Neto, Omar Paranaiba [4 ]
Chaves, Jeferson F. [4 ,5 ]
Drechsler, Rolf [1 ,2 ]
机构：
[1] DFKI GmbH, Cyber Phys Syst, Bremen, Germany
[2] Univ Bremen, Grp Comp Architecture, Bremen, Germany
[3] Univ Fed Vicosa, Vicosa, MG, Brazil
[4] Univ Fed Minas Gerais, Belo Horizonte, MG, Brazil
[5] Ctr Fed Educ Tecnol Minas Gerais, Belo Horizonte, MG, Brazil
来源：
2018 21ST EUROMICRO CONFERENCE ON DIGITAL SYSTEM DESIGN (DSD 2018) | 2018年
关键词：
Quantum-dot Cellular Automata; Synchronicity; Place and Route;
D O I：
10.1109/DSD.2018.00109
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Quantum-dot Cellular Automata (QCA) is a field-coupled nanotechnology which might enable design with high performance and extraordinary low energy dissipation. Information processing and flow in QCA is controlled by external clocks, which requires a proper synchronization already during circuit design phase. In this paper, we discuss the fundamental differences between local and global synchronicity in QCA circuits. Further, we show that it is possible to relax the global synchronicity constraint and discuss the consequent impact on the design performance. Simulation results indicate that the design size can be reduced by about 70% while the throughput performance declines by similar values.
引用
收藏
页码：642 / 648
页数：7
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