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Compaction of IDDQ Test Sequence Using Reassignment Method

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Abstract

IDDQ testing is an effective method for detecting short faults of CMOS circuits. Since IDDQ testing requires the measurement of current, the testing time of IDDQ testing is longer than that of logical testing. In this paper, we proposed an IDDQ test compaction method for internal short faults of gates in sequential circuits by using the reassignment method of signal values. Experimental results show that test sequences generated by weighted random vectors can be reduced to short sequences with less computation time.

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References

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Maeda, T., Kinoshita, K. Compaction of IDDQ Test Sequence Using Reassignment Method. Journal of Electronic Testing 16, 243–249 (2000). https://doi.org/10.1023/A:1008343431975

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  • DOI: https://doi.org/10.1023/A:1008343431975

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