Presentation 2012-06-22
On Per-Cell Dynamic IR-Drop Estimation in At-Speed Scan Testing
Yuta YAMATO, Tomokazu YONEDA, Kazumi HATAYAMA, Michiko INOUE,
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Abstract(in English) It is well known that dynamic IR-drop analysis consumes large amount of time even for a few clock cycles. This paper addresses this issue with a novel per-cell dynamic IR-drop estimation method. Instead of performing time-consuming IR-drop analysis for each clock cycle one by one, the proposed method uses global cycle average power profile for each cycle and dynamic IR-drop profiles for a few representative cycles, thus total computation time is effectively reduced. Experimental results on a benchmark circuit demonstrate that the proposed method achieves both high accuracy and high time-efficiency.
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Keyword(in English) IR-drop / Scan testing / Test power / Test-induced yield loss
Paper # DC2012-15
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Committee DC
Conference Date 2012/6/15(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) On Per-Cell Dynamic IR-Drop Estimation in At-Speed Scan Testing
Sub Title (in English)
Keyword(1) IR-drop
Keyword(2) Scan testing
Keyword(3) Test power
Keyword(4) Test-induced yield loss
1st Author's Name Yuta YAMATO
1st Author's Affiliation Nara Institute of Science and Technology:Japan Science and Technology Agency, CREST()
2nd Author's Name Tomokazu YONEDA
2nd Author's Affiliation Nara Institute of Science and Technology:Japan Science and Technology Agency, CREST
3rd Author's Name Kazumi HATAYAMA
3rd Author's Affiliation Nara Institute of Science and Technology:Japan Science and Technology Agency, CREST
4th Author's Name Michiko INOUE
4th Author's Affiliation Nara Institute of Science and Technology:Japan Science and Technology Agency, CREST
Date 2012-06-22
Paper # DC2012-15
Volume (vol) vol.112
Number (no) 102
Page pp.pp.-
#Pages 6
Date of Issue