2013 IEEE International Integrated Reliability Workshop Final Report 2013
DOI: 10.1109/iirw.2013.6804186
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Investigation of TID degradation of high voltage circuits in flash memory

Abstract: the total ionizing dose (TID) radiation response of a flash memory circuit including high voltage (HV) periphery was studied. We show that functional failure of the charge pumps (CP) is mostly caused by an increased load current, due to radiation induced leakage current in the HV pass transistors. This leads to a failure to program/erase the array in turn.

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“…In addition, the inherent robustness of the cell and the possibility of supply voltage level-program and erase (set and reset) make this type of memory especially interesting for high reliability, low power and extreme environment applications. The supply voltage program and erase offer a path to eliminate the charge pumps, which are known to contribute significantly to power consumption [3] [4]and radiation induced failures [5] [6]for flash memories.…”
Section: Introductionmentioning
confidence: 99%
“…In addition, the inherent robustness of the cell and the possibility of supply voltage level-program and erase (set and reset) make this type of memory especially interesting for high reliability, low power and extreme environment applications. The supply voltage program and erase offer a path to eliminate the charge pumps, which are known to contribute significantly to power consumption [3] [4]and radiation induced failures [5] [6]for flash memories.…”
Section: Introductionmentioning
confidence: 99%