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A new BIST methodology for multi-clock system  

Seo, Il-Suk (SOC Technology TE Group, System LSI Division Samsung Electronics Co., LTD.)
Kang, Yong-Suk (System IC Division, SIC R&D Center, LG Electronics Inc.)
Kang, Sung-Ho (Dept. of Electrical Eng., Yonsei Univ.)
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Abstract
VLSI intergrated circuits like SOC(system on chip) often require a multi-clock design style for functional or performance reasons. The problems of the clock domain transition due to clock skew and clock ordering within a test cycle may result in wrong results. This paper describes a new BIST(Built-in Self Test) architecture for multi-clock systems. In the new scheme, a clock skew is eliminated by a multi-capture. Therfore, it is possible to perform at-speed test for both clock inter-domain and clock intra-domain.
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Times Cited By KSCI : 1  (Citation Analysis)
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