Transient IR-Drop Analysis for At-Speed Testing Using Representative Random Walk

被引:4
|
作者
Tsai, Ming-Hong [1 ]
Ding, Wei-Sheng [1 ]
Hsieh, Hung-Yi [1 ]
Li, James Chien-Mo [2 ]
机构
[1] Natl Taiwan Univ, Grad Sch Elect, Taipei 10617, Taiwan
[2] Natl Taiwan Univ, Dept Elect Engn, Taipei 10617, Taiwan
关键词
At-speed testing; IR drop; transient analysis; POWER-SUPPLY NOISE; SIMULATION; REDUCTION;
D O I
10.1109/TVLSI.2013.2280616
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
This paper presents a representative random walk technique for fast transient IR-drop analysis. It selects only a small number of nodes to model the original network for simulation so that the memory and runtime are significantly reduced. Experimental results on benchmark circuits show that our proposed technique can be up to 330 times faster than a commercial simulator while the average error is less than 10%. Furthermore, the exhaustive simulation of all 26-K delay fault test patterns on a 400-K-gate design can be finished within a week. The proposed technique is very useful to simulate capture cycles for identifying the test patterns that cause excessive IR drop during at-speed testing.
引用
收藏
页码:1980 / 1989
页数:10
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