On-chip compression of output responses with unknown values using lfsr reseeding

On-chip compression of output responses with unknown values using lfsr reseeding
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使用 lfsr 重新播种对具有未知值的输出响应进行片上压缩

DOI:
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发表时间:
2003
期刊:
International Test Conference, 2003. Proceedings. ITC 2003.
影响因子:
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通讯作者:
S. Kundu
S. Kundu
中科院分区:
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文献类型:
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作者:
M. Naruse;I. Pomeranz;S. Reddy;S. Kundu

文献摘要

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我们提出了一个程序设计的LFSR为基础的电路屏蔽未知的输出值出现在输出响应的电路测试使用LBIST。该过程是基于LFSR的重新播种,以掩盖未知的输出值,同时允许故障影响传播。为了确定种子,电路的输出响应被划分为最小数量的片段,并且为每个片段计算种子。
We propose a procedure for designing an LFSRbased circuit for masking of unknown output values that appear in the output response of a circuit tested using LBIST. The procedure is based on reseeding of the LFSR to mask unknown output values while allowing fault effects to propagate. To determine the seeds, the output response of the circuit is partitioned into a minimal number of fragments, and a seed is computed for every fragment.