Algorithm Level Re-Computing with Allocation Diversity: A Register Transfer Level Time Redundancy Based Concurrent Error Detection Technique

  • Authors:
  • Kaijie Wu;Ramesh Karri

  • Affiliations:
  • -;-

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

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Abstract

In this paper we propose an algorithm-level time redundancybased CED scheme that exploits the hardware allocationdiversity at the Register Transfer (RT) level. Although thenormal computation and the re-computation are carried outon the same data path, the operation-to-operator allocationfor the normal computation is different from the operation-to-operatorallocation for the re-computation. We show thatproposed scheme provides very good CED capability withvery low area overhead.