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應用於鰭式場效電晶體邏輯製程之新型電阻式隨機選取記憶體
Thesis

應用於鰭式場效電晶體邏輯製程之新型電阻式隨機選取記憶體

潘信瑋
Masters, 國立清華大學, 電子工程研究所
2014

Abstract

鰭式電晶體 記憶體 電阻式記憶體 FinFET Memory RRAM
Recently,due to the rapidly developing of commercial electronics, the demands of fast and mass storage devices increase. Flash memory dominates the market of nonvolatile memory. However with the technology scaling down, flash memory come up with many challenge, such as inadequate charge storage, high operation voltage and physical limit, which urges the study of novel nonvolatile memory. In which, RRAM is the most promising candidate for the next generation. In this studies, we propose a novel FINFET Dielectric (FIND) RRAM, which is fully compatible with FinFET CMOS logic process without extra mask or additional process flow. The cell size of the FIND RRAM is only 0.07632μm2, which is highly competitive. The electrical analysis shows low operation voltage and short switching time. Moreover, excellent set/reset disturb immunity and data retention at 150oC for 1000 hours further prove its superior reliability. In this dissertation, a highly dense 1kb NOR-type FIND RRAM array is successfully demonstrated.. Without the requirement of extra masks, this cell featuring fast operation speed, extremely small and outstanding reliability and scalability is one of the promising solutions for nonvolatile memory in the near future.

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