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Russian Physics Journal

, Volume 62, Issue 5, pp 827–834 | Cite as

Applying ROBDDs for Logical Circuit Delay Testing

  • A. Yu. MatrosovaEmail author
  • V. V. Andreeva
  • V. Z. Tychinskiy
  • G. G. Goshin
MATHEMATICAL PROCESSING OF PHYSICS EXPERIMENTAL DATA
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Increasing frequency of functioning and decreasing transistor sizes in high performance logical circuits may result in illegal capacities, inductivities, resistances, and so on that generate decreasing estimated circuit frequency. These defects cannot be detected by physical methods. The main way of solving the problem is based on delay testing of logical circuits within the path delay fault (PDF) model. In this paper, facilities of enhancing PDF test sequence quality based on application of Reduced Ordered Binary Decision Diagrams (ROBDDs) that compactly represent all test pairs of neighbor test patterns for the circuit path are studied. Test patterns (Boolean vectors) are neighbor if they differ by only one component. It is established that using of these ROBDDs cut the lengths of test sequences by more than 1/3 in comparison with traditional scan test sequences simultaneously enhancing test sequence quality. In particular, we derive test sequences for robust testable PDFs of sequential circuits decreasing their power consumption and peak power values.

Keywords

combinational and sequential circuits Reduced Ordered Binary Decision Diagram (ROBDD) Disjoint Sum of Product (DSoP) Equivalent Normal Form (ENF) robust testable path delay fault (robust testable PDF) 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • A. Yu. Matrosova
    • 1
    Email author
  • V. V. Andreeva
    • 1
  • V. Z. Tychinskiy
    • 1
  • G. G. Goshin
    • 2
  1. 1.National Research Tomsk State UniversityTomskRussia
  2. 2.Tomsk State University of Control Systems and RadioelectronicsTomskRussia

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