Presentation 2012-06-22
A Study on Fault Tolerant Test Pattern Generators for Reliable Built-in Self Test
Yuki FUKAZAWA, Tsuyoshi IWAGAKI, Hideyuki ICHIHARA, Tomoo INOUE,
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Abstract(in English) In the BIST (built-in self-test) scheme, the occurrence of faults in BIST circuits, such as TPGs (test pattern generators) and test response analyzers, may cause unreliable testing of chips, so that it results in field defects and yield loss. If BIST circuits are fault-tolerant, faulty BIST circuits behave as fault-free ones. As a result, testing of chips becomes more reliable. In this paper, we propose two novel fault-tolerant TPGs for reliable BIST, and discuss the reliability of not only the two fault-tolerant TPGs but also the repairable TPG under the assumption where permanent or transient faults exist in the TPGs. Experimental results show that the proposed TPGs are effective under the assumption of permanent faults and transient faults, respectively.
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Keyword(in English) Built-in self-test / fault tolerance / test pattern generators / reliable test / cyclic code / reliability model
Paper # DC2012-11
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Committee DC
Conference Date 2012/6/15(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) A Study on Fault Tolerant Test Pattern Generators for Reliable Built-in Self Test
Sub Title (in English)
Keyword(1) Built-in self-test
Keyword(2) fault tolerance
Keyword(3) test pattern generators
Keyword(4) reliable test
Keyword(5) cyclic code
Keyword(6) reliability model
1st Author's Name Yuki FUKAZAWA
1st Author's Affiliation Graduate School of Information Sciences, Hiroshima City University()
2nd Author's Name Tsuyoshi IWAGAKI
2nd Author's Affiliation Graduate School of Information Sciences, Hiroshima City University
3rd Author's Name Hideyuki ICHIHARA
3rd Author's Affiliation Graduate School of Information Sciences, Hiroshima City University
4th Author's Name Tomoo INOUE
4th Author's Affiliation Graduate School of Information Sciences, Hiroshima City University
Date 2012-06-22
Paper # DC2012-11
Volume (vol) vol.112
Number (no) 102
Page pp.pp.-
#Pages 6
Date of Issue