An Algorithm for Row-Column Self-Repair of RAMs and Its Implementation in the Alpha 21264

  • Authors:
  • Dilip K. Bhavsar

  • Affiliations:
  • -

  • Venue:
  • ITC '99 Proceedings of the 1999 IEEE International Test Conference
  • Year:
  • 1999

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Abstract

An innovative self-test and self-repairtechnique supports Built-in Self-test andBuilt-in Self-repair of large embedded RAMarrays with spare rows and columns. Thetechnique generates and analyzes the requiredfailure bitmap information on the fly duringself-test and then automatically repairs andverifies the repaired RAM arrays.