Boundary Scan with Built-In Self-Test

  • Authors:
  • Clay S. Gloster Jr.;Franc Brglez

  • Affiliations:
  • -;-

  • Venue:
  • IEEE Design & Test
  • Year:
  • 1989

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Abstract

The authors propose a way to merge boundary scan with the built-in self-test (BIST) of printed circuit boards. Their boundary-scan structure is based on Version 2.0 of the Joint Task Action Group's recommendations for boundary scan and incorporates BIST using a register based on cellular automata (CA) techniques. They examine test patterns generated from this register and the more conventional linear-feedback shift register. The advantages of the CA register, or CAR, are its modularity, which allows modification without major redesign, its higher stuck-at fault coverage, and its higher transition fault coverage.