Comparison of the transient current shapes obtained with the diffusion model and the double exponential law — Impact on the SER

Frédéric Wrobel 1 Luigi Dilillo 2 Antoine Touboul 3, 1 Frédéric Saigné 1
2 SysMIC - Conception et Test de Systèmes MICroélectroniques
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
3 RADIAC - Radiations et composants
IES - Institut d’Electronique et des Systèmes
Abstract : We calculated neutron induced Single Event Upset (SEU) cross-section as well as the Soft Error Rate (SER) at ground level. For this purpose, we first used an accurate model based on simulation of atmospheric neutron-induced transient currents in a 90-nm drain electrode, through a detailed diffusion model. Then, we performed the same simulations by replacing each transient current by a simple double exponential law model, for which the parameters were set in order to keep the same total charge as for the diffusion model, as well as the same value of maximum current and its corresponding occurrence time. Our results show a little increase of the cross section while using the double exponential law and we established a correlation between the parameters characterizing the double exponential and the diffusion model curves.
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Communication dans un congrès
RADECS: Radiation and Its Effects on Components and Systems, Sep 2013, Oxford, United Kingdom. 14th European Conference on Radiation and Its Effects on Components and Systems, 2013, 〈10.1109/RADECS.2013.6937441〉
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Frédéric Wrobel, Luigi Dilillo, Antoine Touboul, Frédéric Saigné. Comparison of the transient current shapes obtained with the diffusion model and the double exponential law — Impact on the SER. RADECS: Radiation and Its Effects on Components and Systems, Sep 2013, Oxford, United Kingdom. 14th European Conference on Radiation and Its Effects on Components and Systems, 2013, 〈10.1109/RADECS.2013.6937441〉. 〈lirmm-01237599〉

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