BIST-Based Delay Path Testing in FPGA Architectures

  • Authors:
  • Ian G. Harris;Premachandran R. Menon;Russell Tessier

  • Affiliations:
  • -;-;-

  • Venue:
  • ITC '01 Proceedings of the 2001 IEEE International Test Conference
  • Year:
  • 2001

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Abstract

The widespread use of field programmablegate arrays (FPGAs) as components in high-performance systems has increased the significance of path delay faults in FPGAs. Wepresent a technique for FPGA path delay faultdetection which integrates test insertion withthe FPGA placement and routing stages toaccomplish testing with low test applicationtime. An accurate static timing analyzer isused to identify critical paths and built-in self-test (BIST) hardware is inserted using a placement and routing tool. Initial experimental results show that testing is accomplished with lowtest application time for several benchmark designs.