Single-event latchup modeling based-on coupled physical and electrical transient simulations in cmos technology

L. Artola (1) , G. Hubert (1) , T. Rousselin (1)

1 ONERA - The French Aerospace Lab [Toulouse]

This work presents a SEL modeling based on physical simulations performed by MUSCA SEP3 and electrical simulations. This approach leads to use the layout description and process information (from TCAD, design or ITRS hypotheses) of the CMOS inverter cell to extract the characteristics of the parasitic circuitry. This approach is totally compatible with the Monte Carlo tool, MUSCA SEP3, with the aim to propose estimations of SEL susceptibility as well in terms of cross section, as sensitivity mapping. The latchup transient response is calculated and compared with heavy ion and TPA experimental measurements. The good agreement is shown in terms of latchup current and the electrical steps leading to the SEL occurrence. Complementary comparisons of SEL sensitive area mapping for TPA irradiation is presented and assessed. The ability of the model to take into account the temperature impact on the SEL sensitivity is presented and discussed.

Mots clés: SINGLE EVENT LATCHUP; CIRCUIT MODEL; MUSCA SEP3; TEMPERATURE IMPACT; CMOS TECHNOLOGY

Domaines: Energie électrique

L. Artola, G. Hubert, T. Rousselin. Single-event latchup modeling based-on coupled physical and electrical transient simulations in cmos technology. NSREC 2014, Jul 2014, PARIS, France. ⟨hal-01070297⟩