Test Scheduling and Test Access Architecture Optimization for System-on-Chip

  • Authors:
  • Huan-Shan Hsu;Jing-Reng Huang;Kuo-Liang Cheng;Chih-Wea Wang;Chih-Tsun Huang;Cheng-Wen Wu;Youn-Long Lin

  • Affiliations:
  • -;-;-;-;-;-;-

  • Venue:
  • ATS '02 Proceedings of the 11th Asian Test Symposium
  • Year:
  • 2002

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Abstract

We propose an efficient test scheduling and test access architecturefor system-on-chip. The test time and test controlcomplexity are optimized under the test power and TAM resourceconstraints. Using our heuristic algorithms, the testscheduling can be done rapidly with small test time penaltywhen compared with previous works. Under an existing SOCtest framework, the test access hardware can be generatedfrom the scheduling result. Experimental results show thatthe proposed scheduling is hardware efficient. The systemintegrator can evaluate the test access architecture and performtest scheduling systematically.