Presentation 2002/11/21
Hierarchical BIST : Test-Per-Clock BIST with Low Overhead
Ken-ichi YAMAGUCHI, Michiko INOUE, Hideo FUJIWARA,
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Abstract(in English) In this paper, we propose a DFT method for hierarchical BIST for RTL circuits. In the hierarchical BIST approach the fault coverage is the same as when the TPG and RA are directly connected to each of the combinational module. We consider the testability on each combinational module under test (MUT) at gate level, and explore the propagation paths from TPG to MUT and the justification paths from MUT to RA at register transfer level(RTL). The advantage of these methods are that they achieve high fault coverage and lower hardware overhead than other related methods. In this paper, we propose a new testability for hierarchical BIST, time division concurrent single control testability to reduce test application time and hardware overhead. Experimental results are presented to demonstrate the effectiveness of our new approach.
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Keyword(in English) design for testability / register transfer level / built-in self test / concurrent single-control testability
Paper # DC2002-39
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Conference Date 2002/11/21(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Hierarchical BIST : Test-Per-Clock BIST with Low Overhead
Sub Title (in English)
Keyword(1) design for testability
Keyword(2) register transfer level
Keyword(3) built-in self test
Keyword(4) concurrent single-control testability
1st Author's Name Ken-ichi YAMAGUCHI
1st Author's Affiliation Graduate School of Information Science, Nara Institute of Science and Technology()
2nd Author's Name Michiko INOUE
2nd Author's Affiliation Graduate School of Information Science, Nara Institute of Science and Technology
3rd Author's Name Hideo FUJIWARA
3rd Author's Affiliation Graduate School of Information Science, Nara Institute of Science and Technology
Date 2002/11/21
Paper # DC2002-39
Volume (vol) vol.102
Number (no) 479
Page pp.pp.-
#Pages 6
Date of Issue