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The monotonic increasing relationship between average powers of CMOS VLSI circuits with and without delay and its applications
Luo, ZY; Min, YH; Yang, SY; Li, XW
2002-12-01
发表期刊SCIENCE IN CHINA SERIES F
ISSN1009-2757
卷号45期号:6页码:401-415
摘要The authors theoretically describe the monotonic increasing relationship between average powers of a CMOS VLSI circuit with and without delay. The power of an ideal circuit without delay, which can be fast computed, has been used as the evaluation criterion for the power of a practical circuit with delay, which needs more computing time, in such fields as fast estimation for the average power and the maximum power, and fast optimization for the low test power. The authors propose a novel simulation approach that uses delay-free power to compact a long input vector pair sequence into a short sequence and then, uses the compacted one to fast simulate the average (or maximum) power for a CMOS circuit. In comparison with the traditional simulation approach that uses an un-compacted input sequence to simulate the average (or maximum) power, experiment results demonstrate that in the field of fast estimation for the average power, the present approach can be 6-10 times faster without significant loss in accuracy (less than 3.5% on average), and in the field of fast estimation for the maximum power, this approach can be 6-8 times faster without significant loss in accuracy (less than 5% on average). In the field of fast optimization for the test power, the authors propose a novel delay-free power optimization approach for the test power. Experiment results demonstrate that, in comparison with the approach of direct optimization and the approach of Hamming distance optimization, this approach is of the highest optimization efficiency because it needs shorter time (16.84%) to obtain a better optimization effect (reducing 35.11% test power).
关键词CMOS VLSI power estimation test power
收录类别SCI
语种英语
WOS研究方向Computer Science
WOS类目Computer Science, Information Systems
WOS记录号WOS:000179596300001
出版者SCIENCE CHINA PRESS
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://119.78.100.204/handle/2XEOYT63/13575
专题中国科学院计算技术研究所期刊论文_英文
通讯作者Luo, ZY
作者单位1.Tsing Hua Univ, Dept Automat, Beijing 100084, Peoples R China
2.Chinese Acad Sci, Inst Comp Technol, Beijing 100080, Peoples R China
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GB/T 7714
Luo, ZY,Min, YH,Yang, SY,et al. The monotonic increasing relationship between average powers of CMOS VLSI circuits with and without delay and its applications[J]. SCIENCE IN CHINA SERIES F,2002,45(6):401-415.
APA Luo, ZY,Min, YH,Yang, SY,&Li, XW.(2002).The monotonic increasing relationship between average powers of CMOS VLSI circuits with and without delay and its applications.SCIENCE IN CHINA SERIES F,45(6),401-415.
MLA Luo, ZY,et al."The monotonic increasing relationship between average powers of CMOS VLSI circuits with and without delay and its applications".SCIENCE IN CHINA SERIES F 45.6(2002):401-415.
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