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Analyse statique de l'effet des erreurs de configuration dans des FGPA configurés par SRAM et amélioration de robustesse

Abstract : This thesis deals primarily with the analysis of the functionaleffects of errors in the configuration ofSRAM-based FPGAs. These errors can be due either to naturalperturbations (radiations, particles) orto malicious attacks, for example with a laser. The Xilinx Virtex IIfamily is used as first case study,then a comparison is made with the ATMEL AT40K family. This workallowed us a betterunderstanding of the real impact of perturbations, and of the errorpatterns that need to be taken intoaccount when improving the robustness of a circuit implemented on thistype of technology. Thisstudy required the development of specific design tools to automatethe analyses. An innovativemethodology is proposed for the evaluation of the configuration memorysensitivity to SEUs: aclassification of configuration bits is made with respect to theeffects produced on the application by asingle bit-flip. This enables us to identify the most critical areas,and to propose selective hardeningsolutions, improving the global reliability of the application at low cost.
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Submitted on : Monday, July 30, 2012 - 11:27:10 AM
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  • HAL Id : tel-00721752, version 1

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Jean-Baptiste Ferron. Analyse statique de l'effet des erreurs de configuration dans des FGPA configurés par SRAM et amélioration de robustesse. Autre. Université de Grenoble, 2012. Français. ⟨NNT : 2012GRENT003⟩. ⟨tel-00721752⟩

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