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IEICE TRANSACTIONS on Information

A Test Compaction Oriented Don't Care Identification Method Based on X-bit Distribution

Hiroshi YAMAZAKI, Motohiro WAKAZONO, Toshinori HOSOKAWA, Masayoshi YOSHIMURA

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Summary :

In recent years, the growing density and complexity of VLSIs have led to an increase in the numbers of test patterns and fault models. Test patterns used in VLSI testing are required to provide high quality and low cost. Don't care (X) identification techniques and X-filling techniques are methods to satisfy these requirements. However, conventional X-identification techniques are less effective for application-specific fields such as test compaction because the X-bits concentrate on particular primary inputs and pseudo primary inputs. In this paper, we propose a don't care identification method for test compaction. The experimental results for ITC'99 and ISCAS'89 benchmark circuits show that a given test set can be efficiently compacted by the proposed method.

Publication
IEICE TRANSACTIONS on Information Vol.E96-D No.9 pp.1994-2002
Publication Date
2013/09/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E96.D.1994
Type of Manuscript
Special Section PAPER (Special Section on Dependable Computing)
Category

Authors

Hiroshi YAMAZAKI
  Nihon University
Motohiro WAKAZONO
  Nihon University
Toshinori HOSOKAWA
  Nihon University
Masayoshi YOSHIMURA
  Kyushu University

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