Review and comparison of RSFQ asynchronous methodologies

Review and comparison of RSFQ asynchronous methodologies
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RSFQ 异步方法的回顾和比较

DOI:
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发表时间:
2008
期刊:
影响因子:
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通讯作者:
C. Fourie
C. Fourie
中科院分区:
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文献类型:
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作者:
L. C. Muller;H. R. Gerber;C. Fourie

文献摘要

被引文献

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通过同步时钟方案对RSFQ电路施加的各种设计限制使得异步时钟的使用具有吸引力。本文批判性地回顾和比较了广泛的异步方法,迄今已提出在已出版的文献。电路使用遗传算法优化器进行优化,然后在产量,临界裕度和延迟方面进行比较。一个全加器也设计和模拟每种方法,以获得有关实施以上的原始单元级的信息。
The various design limitations imposed on RSFQ circuits through synchronous clocking schemes, make the use of asynchronous clocking attractive. This paper critically reviews and compares a wide range of asynchronous methodologies that have thus far been proposed in the published literature. Circuits are optimized using a Genetic Algorithm optimizer and are then compared in terms of yield, critical margins and latency. A full-adder is also designed and simulated for each methodology to obtain information regarding implementation above the primitive cell level.