Semiconductor integrated circuit and nonvolatile semiconductor memory
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 29, 2002
Grant Date -
Jan 3, 2002
app pub date -
Jun 19, 2001
filing date -
Jul 3, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
For a semiconductor integrated circuit having an internal booster circuit such as a flash memory, voltage booster circuits capable of generating a boosted voltage 10 times or more as high as a relatively low source voltage is to be realized. Charge pumps for carrying out first stage voltage boosting on the basis of a source voltage are configured of parallel capacity type units, and charge pumps for carrying out second stage voltage boosting on the basis of the boosted voltage generated by the first charge pumps are configured of serial capacity type units.
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