Off-line testing of asynchronous circuits

被引:3
|
作者
Koppad, D [1 ]
Bystrov, A [1 ]
Yakovlev, A [1 ]
机构
[1] Newcastle Univ, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
关键词
D O I
10.1109/ICVD.2005.126
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
A new technique to test asynchronous circuits obtained by direct mapping technique from 1-safe Petri nets is proposed. Low-level physical faults in the cells implementing Petri net places are analysed and mapped into high-level specification, a Petri net. A "pseudo clock" is used to handle hazards and activate faults which exhibit themselves only under particular arrangements. Asynchronous citcuit obtained by Direct mapping technique can be made 100% testable for stuck-at-faults by implementing testability features. An algorithm to insert testability features and generate test sequences is presented using a benchmark.
引用
收藏
页码:730 / 735
页数:6
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