Influence of triple-well technology on laser fault injection and laser sensor efficiency

Nicolas Borrel 1, 2 Clément Champeix 3, 2 Edith Kussener 1 Wenceslas Rahajandraibe 1 Mathieu Lisart 2 Alexandre Sarafianos 2 Jean-Max Dutertre 3
1 IM2NP - Institut des Matériaux, de Microélectronique et des Nanosciences de Provence
2 ST-CROLLES - STMicroelectronics [Crolles]
3 SAS-ENSMSE - Département Systèmes et Architectures Sécurisés
Abstract : This study is driven by the need to understand the influence of a Deep-Nwell implant on the sensitivity of integrated circuits to laser-induced fault injections. CMOS technologies can be either dual-well or triple-well. Triple-well technology has several advantages compared to dual-well technology in terms of electrical performances. Single-event responses have been widely studied in dual-well whereas SEE (single event effects) in triple-well is not well understood. This paper presents a comparative analysis of soft error rate and countermeasures sensors with for these two techniques in 40 nm and 90 nm CMOS technology. First, laser fault injection on registers were investigated, showing that triple-well technology is more vulnerable. Similarly, we studied the efficiency of Bulk Built-In Current Sensors (BBICS) in detecting laser induced fault injection attempts for both techniques. This sensor was found less effective in triple-well. Finally, a new BBICS compliant with body-biasing adjustments is proposed in order to improve its detection efficiency.
Keywords : countermeasure body biasing Bulk Built-In Current Sensor Laser fault injection triple-well
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Conference papers
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https://hal-emse.ccsd.cnrs.fr/emse-01227366
Contributor : Jean-Max Dutertre <>
Submitted on : Thursday, August 9, 2018 - 11:37:15 AM
Last modification on : Monday, March 4, 2019 - 9:56:01 AM
Long-term archiving on : Saturday, November 10, 2018 - 12:49:13 PM

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Nicolas Borrel, Clément Champeix, Edith Kussener, Wenceslas Rahajandraibe, Mathieu Lisart, et al.. Influence of triple-well technology on laser fault injection and laser sensor efficiency. IEEE International Symposium on Defect and Fault Tolerance in VLSI and Nanotechnology Systems (DFTS 2015), Oct 2015, Amherst, MA, United States. ⟨10.1109/DFT.2015.7315141⟩. ⟨emse-01227366⟩

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