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�������պ����ѧѧ�� 2008, Vol. 34 Issue (10) :1200-1203    DOI:
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Fast diagnosis algorithm for interconnect faults on system buses
Zhong Bo, Meng Xiaofeng, Ji Hong, Chen Xiaomei*
School of Instrument Science and Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� The interconnect test and fault diagnosis for system buses are important to the manufacturing and maintenance of electronic products. The previous test algorithms which are proposed in literatures have some problems, such as existing redundant test vectors and having long test time etc. An adaptive and fast diagnosis algorithm was proposed according to the analysis of the interconnect-fault syndromes on system buses. The test process was divided into two phases. In the first phase, the short and stuck-at faults on supernets were diagnosed and then the supernets were divided into several groups according to the diagnosed short faults. In the second phase, the "parallel walking 1" test vectors were applied to the grouped supernets to diagnose the open faults. The results show that the proposed algorithm can support maximal diagnosis, remove the redundant test vectors, shorten the test time and realize fast diagnosis.
Keywords�� system buses   interconnect   fault diagnosis   adaptive     
Received 2007-09-27;


About author: �� ��(1980-),��,������,��ʿ��,buaa_zb@aspe.buaa.edu.cn.
�� ��, ������, �� ��, ����÷.���߻������ϵ�һ�ֿ�������㷨[J]  �������պ����ѧѧ��, 2008,V34(10): 1200-1203
Zhong Bo, Meng Xiaofeng, Ji Hong, Chen Xiaomei.Fast diagnosis algorithm for interconnect faults on system buses[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2008,V34(10): 1200-1203
http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2008/V34/I10/1200
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