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IEICE TRANSACTIONS on Electronics

A New Erasing and Row Decoding Scheme for Low Supply Voltage Operation 16-Mb/64-Mb Flash Memories

Yoshikazu MIYAWAKI, Takeshi NAKAYAMA, Shin-ichi KOBAYASHI, Natsuo AJIKA, Makoto OHI, Yasushi TERADA, Hideaki ARIMA, Tsutomu YOSHIHARA

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Summary :

To improve the performance of high-density flash memories, several circuit technologies have been developed. A word-line boost and clamp scheme realizes low supply voltage read operations. A flash programming scheme utilizing Fowler-Nordheim (F-N) tunneling for programming before erasure and a negative gate biased erasing scheme accomplish low-power, high-speed, and 5-V-only erase operations. The chip size penalty is estimated to be only 3% for the 16-Mb flash memories.

Publication
IEICE TRANSACTIONS on Electronics Vol.E75-C No.4 pp.481-486
Publication Date
1992/04/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Joint Special Issue on the 1991 VLSI Circuits Symposium)
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