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An overview of charge pumping circuits for flash memory applications

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4 Author(s)
Oi-Ying Wong ; Dept. of Electron. Eng., City Univ. of Hong Kong, Kowloon, China ; Hei Wong ; Wing-Shan Tam ; Chi-Wah Kok

Charge pump is an indispensable component in flash memory systems in order to generate high operation voltages for programming flash memory cells. In this paper, we review some high-efficiency charge pump circuits that fulfill the stringent requirements in modern flash memory technology. The performance of these charge pump circuits will be compared in terms of voltage conversion efficiency, power efficiency, area, and process requirement. Some advanced charge pump circuits proposed recently will also be introduced.

Published in:

ASIC (ASICON), 2011 IEEE 9th International Conference on

Date of Conference:

25-28 Oct. 2011