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Single-event upset in flash memories

By: Nichols, D.K.; Schwartz, H.R.; Johnston, A.H.;

1997 / IEEE


This item was taken from the IEEE Periodical ' Single-event upset in flash memories ' Single-event upset was investigated in high-density flash memories from two different manufacturers. Many types of functional abnormalities can be introduced in these devices by heavy-ions because of their complex internal architecture. Changes in the stored memory contents sometimes occurred, even when devices were irradiated in a read mode with the internal charge pump inactive. For one device technology, unusually high currents were observed during post-irradiation cycling that were high enough to cause catastrophic failure.