A Built-In Self-Repair Analyzer (CRESTA) for embedded DRAMs

  • Authors:
  • Tomoya Kawagoe;Jun Ohtani;Mitsutaka Niiro;Tukas Ooishi;Mitsuhiro Hamada;Hideto Hidaka

  • Affiliations:
  • -;-;-;-;-;-

  • Venue:
  • ITC '00 Proceedings of the 2000 IEEE International Test Conference
  • Year:
  • 2000

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Abstract

A new practical built-in self-repair analyzer algorithm forembedded DRAMs (e-DRAM) achieves 100% detectionability of the repairable chips with 1% area penalty of thetarget 32Mb embedded DRAM by 4 parallel analyzers. Itworks at as fast as 500MHz, well beyond targeted e-DRAMs' maximum operation speed around 200MHz+.