Temporal analysis of SEU in SOI/GAA SRAMs
(1995) 32nd Annual International Nuclear and Space Radiation Effects Conference (NSREC) — Location: MADISON(Wi) (17.July.1995)
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- Abstract
- This paper analyzes the very strong SEU hardness of a 1k static random-access memory fabricated using the SOI/GAA technology, irradiated with a xenon ion beam at various angles of incidence. The memory has been shown to operate with a supply voltage as low as 2V while still presenting excellent SEU hardness. Since the different physical charge collection mechanisms are particularly slow in SOI devices, it is shown that collected and critical charges must be dynamically compared in order to determine the SEU threshold. A new approach is then proposed to evaluate the time-variable critical charge independently of the pulse shape generated by the incident ion, and a general analytical model is derived. Finally, predictions in good agreement with experimental data are obtained.
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Francis, P., Colinge, JP., & Berger, G. (1995). Temporal analysis of SEU in SOI/GAA SRAMs. IEEE Transactions on Nuclear Science, 42(6), 2127-2137. https://doi.org/10.1109/23.489263 (Original work published 1995)