减少故障定位的观察点

2009 24th IEEE International Symposium on Defect and Fault Tolerance in VLSI Systems Pub Date : 2009-10-07 DOI:10.1109/DFT.2009.56

Snehal Udar, D. Kagaris

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引用次数: 15

摘要

我们研究了在电路中插入观测点以提高其诊断分辨率的好处。插入这些点是为了使每个故障在至少一个应用的测试模式下在这些点上具有唯一的签名。观察点是类似于扫描的元素，作为测试阶段的输出，可以在一个或多个链中组织和观察。实验结果表明，在需要插入的观测点数量和诊断分辨率之间取得了很好的平衡。

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Minimizing Observation Points for Fault Location

We investigate the benefit of inserting observation points in a circuit in order to improve its diagnostic resolution. The insertion of the points is done so that each fault has a unique signature on these points under at least one of the applied test patterns. The observation points are scan-like elements that serve as test-phase outputs and can be organized in and observed through one or multiple chains. Experimental results show good tradeoffs between number of observation points that need to be inserted and diagnostic resolution achieved.

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来源期刊

2009 24th IEEE International Symposium on Defect and Fault Tolerance in VLSI Systems

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