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IEICE TRANSACTIONS on Fundamentals

Minimization of Vote Operations for Soft Error Detection in DMR Design with Error Correction by Operation Re-Execution

Kazuhito ITO, Yuto ISHIHARA, Shinichi NISHIZAWA

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Summary :

As LSI chips integrate more transistors and the operating power supply voltage decreases, LSI chips are becoming more vulnerable to the soft error caused by neutrons induced from cosmic rays. The soft error is detected by comparing the duplicated operation results in double modular redundancy (DMR) and the error is corrected by re-executing necessary operations. In this paper, based on the error recovery scheme of re-executing necessary operations, the minimization of the vote operations for error checking with respect to given resource constraints is considered. An ILP model for the optimal solution to the problem is presented and a heuristic algorithm is proposed to minimize the vote operations.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E101-A No.12 pp.2271-2279
Publication Date
2018/12/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E101.A.2271
Type of Manuscript
Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category

Authors

Kazuhito ITO
  Saitama University
Yuto ISHIHARA
  Saitama University
Shinichi NISHIZAWA
  Saitama University

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