NDLI: Redundancy based interconnect duplication to mitigate soft errors in SRAM-based FPGAs

Content Provider	IEEE Xplore Digital Library
Author	Naifeng Jing Jiacheng Zhou Jianfei Jiang Xin Chen Weifeng He Zhigang Mao
Copyright Year	2015
Description	Author affiliation: Sch. of Electron. & Inf. Eng., Tongji Univ., Shanghai, China (Xin Chen) \|\| Dept. of Micro-Nano Electron., Shanghai Jiao Tong Univ., Shanghai, China (Naifeng Jing; Jiacheng Zhou; Jianfei Jiang; Weifeng He; Zhigang Mao)
Abstract	Soft error induced reliability problem has already become a major concern for modern SRAM-based FPGAs (Field Programmable Gate Arrays) even at the ground level. In this paper, we propose a duplication-with-recovery (DWR) technique to recover the configuration bit faults on interconnects, which contribute to the majority of soft errors in FPGAs. Based on a study on the detailed routing structure in real FPGAs, DWR leverages redundant resources for interconnect duplication and enables fault recovery with lightweight circuit-level support. Compared with traditional fault tolerant techniques, DWR retains the fault recovering capability but eliminates expensive copies. The experimental results show that a large portion of the interconnects can be protected, which in consequence significantly reduces the vulnerable configuration bits. In addition, DWR does not alter the placement and routing from standard design flow, and therefore does not affect the design closure but greatly improves the design reliability in a cost-effective way.
Starting Page	764
Ending Page	769
File Size	757268
Page Count	6
File Format	PDF
e-ISBN	9781467383882
DOI	10.1109/ICCAD.2015.7372647
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-11-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Circuit faults Field programmable gate arrays Routing Integrated circuit interconnections Switches Wires Table lookup
Content Type	Text
Resource Type	Article

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