Electrical modeling of the photoelectric effect induced by a pulsed laser applied to an SRAM cell

A. Sarafianos 1 C. Roscian 2 Jean-Max Dutertre 2 M. Lisart 1 A. Tria 3
1 ST-TOURS - STMicroelectronics [Tours]
2 SAS-ENSMSE - Département Systèmes et Architectures Sécurisés
3 Laboratoire Systèmes et Architectures Sécurisés (LSAS)
SAS-ENSMSE - Département Systèmes et Architectures Sécurisés, CEA-TECH-Reg - CEA Tech en régions
Abstract : This abstract presents an electrical model of an SRAM cell exposed to a pulsed Photoelectrical Laser Stimulation (PLS), based on our past model of MOS transistor under laser illumination. The validity of our model is assessed by the very good correlation obtained between measurements and electrical simulation. These simulations are capable to explain some specific points. For example, in theory, a SRAM cell under PLS have four sensitive areas. But in measurements only three areas were revealed. A hypothesis was presented in this paper and confirm by electrical simulation. The specific topology of the cell masks one sensitive area. Therefore the electrical model could be used as a tool of characterization of a CMOS circuits under PLS.
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A. Sarafianos, C. Roscian, Jean-Max Dutertre, M. Lisart, A. Tria. Electrical modeling of the photoelectric effect induced by a pulsed laser applied to an SRAM cell. Microelectronics Reliability, Elsevier, 2013, 53 (9-11), pp.1300 - 1305. ⟨10.1016/j.microrel.2013.07.125⟩. ⟨emse-01100724⟩

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