A1 Journal article (refereed)
Electron-Induced Upsets and Stuck Bits in SDRAMs in the Jovian Environment (2021)

Söderström, D., Matana Luza, L., Kettunen, H., Javanainen, A., Farabolini, W., Gilardi, A., Coronetti, A., Poivey, C., & Dilillo, L. (2021). Electron-Induced Upsets and Stuck Bits in SDRAMs in the Jovian Environment. IEEE Transactions on Nuclear Science, 68(5), 716-723. https://doi.org/10.1109/tns.2021.3068186

JYU authors or editors

Publication details

All authors or editors: Söderström, Daniel; Matana Luza, Lucas; Kettunen, Heikki; Javanainen, Arto; Farabolini, Wilfrid; Gilardi, Antonio; Coronetti, Andrea; Poivey, Christian; Dilillo, Luigi

Journal or series: IEEE Transactions on Nuclear Science

ISSN: 0018-9499

eISSN: 1558-1578

Publication year: 2021

Volume: 68

Issue number: 5

Pages range: 716-723

Publisher: Institute of Electrical and Electronics Engineers (IEEE)

Publication country: United States

Publication language: English

DOI: https://doi.org/10.1109/tns.2021.3068186

Publication open access: Not open

Publication channel open access:

Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/75181


This study investigates the response of synchronous dynamic random access memories to energetic electrons, and especially the possibility of electrons to cause stuck bits in these memories. Three different memories with different node sizes (63, 72 and 110 nm) were tested. Electrons with energies between 6 MeV and 200 MeV were used at RADEF in Jyväskylä, Finland, and at VESPER in CERN, Switzerland. Photon irradiation was also performed in Jyväskylä. In these irradiation tests, stuck bits originating from electron-induced single event effects were found, as well as single bit-flips from single electrons. To the best knowledge of the authors, this is the first time that stuck bits from single electron-events has been reported in the literature. It is argued in the paper that the single event bit-flips and stuck bits are caused by the same mechanism, large displacement damage clusters, and that they represent different amounts of damage to the memory cell. After a large particle fluence, a rapid increase in the error rate was observed, originating from the accumulation of smaller displacement damage clusters in the memory cells. The 110 nm memory was a candidate component to fly on the ESA JUICE mission, so the single event effect cross section as a function of electron energy was compared to the expected electron environment encountered by JUICE to estimate the error rates during the mission.

Keywords: radiation physics; ionising radiation; electrons; electronic components; random access memories; space technology

Free keywords: electron radiation; radiation effects; single event upsets; stuck bits; total ionizing dose

Contributing organizations

Related projects

Ministry reporting: Yes

Reporting Year: 2021

Preliminary JUFO rating: 1

Last updated on 2021-22-10 at 10:51