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Multi-level programming of NOR flash EEPROMs by CHISEL mechanism
Published in
2004
Pages: 635 - 636
Abstract
The performance and reliability of flash EEPROM under multilevel CHannel Initiated Secondary ELectron (CHISEL) programming operation, were analyzed. Six different bitcell doping schemes were studied and optimized doping was identified based on their program and drain-disturb performance. Isolated and fully scaled (W=0.3μm) bitcells using 0.18μm technology were used, having floating gate length of 0.2-0.26μm, tunnel oxide and IPD thickness of 12nm and 20nm respectively. Cycling induced degradation was only occurred for the erased VT and not for any of the programmed VT levels.
About the journal
JournalAnnual Proceedings - Reliability Physics (Symposium)
ISSN00999512
Open AccessNo