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Erschienen in: Journal of Electronic Testing 1/2011

01.02.2011

Optimization of Test Power and Data Volume in BIST Scheme Based on Scan Slice Overlapping

verfasst von: Bin Zhou, Li-yi Xiao, Yi-Zheng Ye, Xin-Chun Wu

Erschienen in: Journal of Electronic Testing | Ausgabe 1/2011

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Abstract

In order to further reduce test data storage and test power of deterministic BIST based on scan slice overlapping, this paper proposes a novel optimization approach. Firstly, a san cell grouping method considering layout constraint is introduced to shorten the scan chain. Secondly, a novel scan cell ordering approach considering layout constraint is proposed to optimize the order of scan chain. Lastly, the authors propose an improved test pattern partition algorithm which selects the scan slice with the most specified bits as the first scan slice of the current overlapping block. Experimental results indicate that the proposed optimization approach significantly reduces the scan-in transitions and test data storage by 73%–93% and 60%–87%, respectively.

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Metadaten
Titel
Optimization of Test Power and Data Volume in BIST Scheme Based on Scan Slice Overlapping
verfasst von
Bin Zhou
Li-yi Xiao
Yi-Zheng Ye
Xin-Chun Wu
Publikationsdatum
01.02.2011
Verlag
Springer US
Erschienen in
Journal of Electronic Testing / Ausgabe 1/2011
Print ISSN: 0923-8174
Elektronische ISSN: 1573-0727
DOI
https://doi.org/10.1007/s10836-010-5185-4

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