Hardware/Software Co-testing of Embedded Memories in Complex SOCs

  • Authors:
  • Bai Hong Fang;Qiang Xu;Nicola Nicolici

  • Affiliations:
  • McMaster University, Hamilton, Canada;McMaster University, Hamilton, Canada;McMaster University, Hamilton, Canada

  • Venue:
  • Proceedings of the 2003 IEEE/ACM international conference on Computer-aided design
  • Year:
  • 2003

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Abstract

A novel approach for testing embedded memories in complexsystems-on-a-chip (SOCs) is presented. The proposedsolution aims to balance the usage of the existing on-chipresources and dedicated design for test (DFT) hardwaresuch that the functional power constraints are not exceededduring test while trading-off the testing time againstDFT area and performance overhead. The suitability ofsoftware-centric and hardware-centric approaches for embeddedmemory testing is examined and to combine the advantagesof both directions, a new built-in self-test (BIST)-basedmethod, called hardware/software co-testing, is introduced.The proposed solution is programmable, scalableand guarantees low routing overhead.