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IEICE TRANSACTIONS on Fundamentals

A Design Scheme for Delay Testing of Controllers Using State Transition Information

Tsuyoshi IWAGAKI, Satoshi OHTAKE, Hideo FUJIWARA

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Summary :

This paper presents a non-scan design scheme to enhance delay fault testability of controllers. In this scheme, we utilize a given state transition graph (STG) to test delay faults in its synthesized controller. The original behavior of the STG is used during test application. For faults that cannot be detected by using the original behavior, we design an extra logic, called an invalid test state and transition generator, to make those faults detectable. Our scheme allows achieving short test application time and at-speed testing. We show the effectiveness of our method by experiments.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E87-A No.12 pp.3200-3207
Publication Date
2004/12/01
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category
Test

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