发明名称 |
Voltage multiplier circuit and nonvolatile semiconductor memory device having voltage multiplier circuit |
摘要 |
A voltage multiplier circuit for raising an input voltage to a predetermined voltage is characterized in that a plurality of multiplier cells for raising an input voltage to be outputted, and a connection switching circuit for switching a connection state of these multiplier cells are provided, and the connection switching circuit connects multiplier cell groups formed by connecting one or a plurality of the multiplier cells, in parallel to an output, and varies the number of the multiplier cells of the multiplier cell groups and that of the multiplier cell groups.
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申请公布号 |
US5969988(A) |
申请公布日期 |
1999.10.19 |
申请号 |
US19960598071 |
申请日期 |
1996.02.07 |
申请人 |
KABUSHIKI KAISHA TOSHIBA |
发明人 |
TANZAWA, TORU;TANAKA, TOMOHARU;NAKAMURA, HIROSHI;TANAKA, YOSHIYUKI |
分类号 |
G11C17/00;G05F1/00;G11C5/14;G11C16/06;G11C16/30;H02M3/07;(IPC1-7):G11C16/06 |
主分类号 |
G11C17/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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