Test Sequence Generation for Test Time Reduction of IDDQ Testing
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- YOTSUYANAGI Hiroyuki
- Faculty of Engineering, University of Tokushima
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- HASHIZUME Masaki
- Faculty of Engineering, University of Tokushima
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- TAMESADA Takeomi
- Faculty of Engineering, University of Tokushima
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説明
In this paper, test time reduction for IDDQ testing is discussed. Although IDDQ testing is known to be effective to detect faults in CMOS circuit, test time of IDDQ testing is larger than that of logic testing since supply current is measured after a circuit is in its quiescent state. It is shown by simulation that test time of IDDQ test mostly depends on switching current. A procedure to modify test vectors and a procedure to arrange test vectors are presented for reducing the test time of IDDQ testing. A test sequence is modified such that switching current quickly disappears. The procedure utilizes a unit delay model to estimate the time of the last transition of logic value from L to H in a circuit. Experimental results for benchmark circuits show the effectiveness of the procedure.
収録刊行物
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- IEICE transactions on information and systems
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IEICE transactions on information and systems 87 (3), 537-543, 2004-03-01
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詳細情報 詳細情報について
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- CRID
- 1570009752557232384
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- NII論文ID
- 110003213908
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- NII書誌ID
- AA10826272
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- ISSN
- 09168532
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- 本文言語コード
- en
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- データソース種別
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- CiNii Articles