Presentation 2004/11/25
On the Extraction of a Minimum Cube to Justify Signal Line Values
Kohei MIYASE, Shinobu NAGAYAMA, Seiji KAJIHARA, Xiaoqing Wen, Sudhakar M. REDDY,
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Abstract(in English) When there are internal logic values in a combinational circuit that must be justified by a given input vector, necessary input values to justify them are expressed as a cube. In this paper we propose methods to extract a cube with the minimum number of specified values from an input vector. One is the case of justifying a single line value and the other is the case when the number of signal values to be justified is more than one. In the latter case, we utilize a BDD to extract the cube, and we reduce the problem to a shortest path problem. We also present how to reduce the size of BDDs used. The method can be used for finding test cubes with minimal numbers of specified bits in test vectors. Such test cubes can be used to achieve higher test data compression.
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Keyword(in English) Justification / BDD / Shortest path problem / Test data compression
Paper # VLD2004-77,ICD2004-163,DC2004-63
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Conference Date 2004/11/25(1days)
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Registration To Integrated Circuits and Devices (ICD)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) On the Extraction of a Minimum Cube to Justify Signal Line Values
Sub Title (in English)
Keyword(1) Justification
Keyword(2) BDD
Keyword(3) Shortest path problem
Keyword(4) Test data compression
1st Author's Name Kohei MIYASE
1st Author's Affiliation Kyushu Institute of Technology()
2nd Author's Name Shinobu NAGAYAMA
2nd Author's Affiliation Kyushu Institute of Technology
3rd Author's Name Seiji KAJIHARA
3rd Author's Affiliation Kyushu Institute of Technology
4th Author's Name Xiaoqing Wen
4th Author's Affiliation Kyushu Institute of Technology
5th Author's Name Sudhakar M. REDDY
5th Author's Affiliation University of Iowa
Date 2004/11/25
Paper # VLD2004-77,ICD2004-163,DC2004-63
Volume (vol) vol.104
Number (no) 480
Page pp.pp.-
#Pages 6
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