Presentation 2007/2/2
An Extended Class of Sequential Circuits with Acyclical Testability
Nobuya OKA, ChiaYee OOI, Hideyuki ICHIHARA, Tomoo INOUE, Hideo FUJIWARA,
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Abstract(in English) The class of acyclically testable sequential circuits [7] is wider than that of acyclic sequential circuits, but its complexity is τ^2-bounded, which is equivalent to that of acyclic sequential circuits. In this work, we consider the extension of the class of acyclically testable sequential circuits. We propose a pair of justification thru trees and propagation thru trees instead of the thru trees presented in [7], and based on the thru tree pair, we show the extension of the class of acyclically testable sequential circuits. The class of extended acyclically testable sequential circuits properly includes that of acyclically testable sequential circuits. This implies that DFT for a given sequential circuit based on the extended acyclical testability requires small hardware overhead compared to that based on acyclical testability. Experimental results show the effectiveness of the DFT based on the extended acyclical testability.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) test generation / acyclic testability / design-for-testability / combinaitonal test generation complexity / τ^κ notation
Paper # DC2006-88
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Conference Date 2007/2/2(1days)
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Registration To Dependable Computing (DC)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) An Extended Class of Sequential Circuits with Acyclical Testability
Sub Title (in English)
Keyword(1) test generation
Keyword(2) acyclic testability
Keyword(3) design-for-testability
Keyword(4) combinaitonal test generation complexity
Keyword(5) τ^κ notation
1st Author's Name Nobuya OKA
1st Author's Affiliation Guraduate of Information Sciences, Hiroshima City University()
2nd Author's Name ChiaYee OOI
2nd Author's Affiliation Faculty of Electrical Engineering, University of Technology Malaysia
3rd Author's Name Hideyuki ICHIHARA
3rd Author's Affiliation Faculty of Information Sciences, Hiroshima City University
4th Author's Name Tomoo INOUE
4th Author's Affiliation Faculty of Information Sciences, Hiroshima City University
5th Author's Name Hideo FUJIWARA
5th Author's Affiliation Graduate School of Information Science Nara Institute
Date 2007/2/2
Paper # DC2006-88
Volume (vol) vol.106
Number (no) 528
Page pp.pp.-
#Pages 6
Date of Issue