Improving the ability of Bulk Built-In Current Sensors to detect Single Event Effects by using triple-well CMOS
Abstract
Bulk Built-In Current Sensors (bbicss) were introduced to detect the anomalous transient currents induced in the bulk of integrated circuits when hit by ionizing particles. To date, the experimental testing of only one bbics architecture was reported in the scientific bibliography. It reports an unexpected weakness in its ability to monitor nmos transistors. Based on experimental measures, we propose an explanation of this weakness and also the use of triple-well cmos to offset it. Further, we introduce a new bbics architecture well suited for triple-well that offers high detection sensitivity and low area overhead.
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