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A multiple bit upset tolerant SRAM memory

Published: 01 October 2003 Publication History

Abstract

SRAMs are used nowadays in almost every electronic product. However, as technology shrinks transistor sizes, single and multiple bit upsets only observable in space applications previously are now reported at ground level. This article presents a high level technique to protect SRAM memories against multiple upsets based on correcting codes. The proposed technique combines Reed Solomon code and Hamming code to assure reliability in presence of multiple bit flips with reduced area and performance penalties. Multiple upsets were randomly injected in various combinations of memory cells to evaluate the robustness of the method. The experiment was emulated in a Virtex FPGA platform. Results show that 100% of the injected double faults and a large amount of multiple faults were corrected by the method.

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cover image ACM Transactions on Design Automation of Electronic Systems
ACM Transactions on Design Automation of Electronic Systems  Volume 8, Issue 4
October 2003
194 pages
ISSN:1084-4309
EISSN:1557-7309
DOI:10.1145/944027
Issue’s Table of Contents
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 01 October 2003
Published in TODAES Volume 8, Issue 4

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Author Tags

  1. Fault tolerant memory
  2. Hamming and Reed-Solomon codes
  3. fault injection
  4. high-level protection technique
  5. protection against radiation

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  • (2024)Hybrid Hardware/Software Detection of Multi-Bit Upsets in Memory2024 54th Annual IEEE/IFIP International Conference on Dependable Systems and Networks Workshops (DSN-W)10.1109/DSN-W60302.2024.00029(94-97)Online publication date: 24-Jun-2024
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