发明名称 |
NONVOLATILE SEMICONDUCTOR STORAGE DEVICE |
摘要 |
A nonvolatile semiconductor storage device including memory cells for storing data; first reference cells; a check circuit for checking the threshold value of the first reference cells; and an erasing circuit for erasing the data of the memory cells in response to an event that the check circuit determines that the threshold value of the first reference cells is less than or approximately equal to a predetermined fixed value.
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申请公布号 |
WO2004077446(A8) |
申请公布日期 |
2004.11.11 |
申请号 |
WO2003JP02271 |
申请日期 |
2003.02.27 |
申请人 |
FUJITSU LIMITED;SUZUKI, ATSUHIRO |
发明人 |
SUZUKI, ATSUHIRO |
分类号 |
G06F12/14;G11C16/06;G11C16/16;G11C16/22;G11C16/34;H01L27/10;H01L29/78;H03K17/284;(IPC1-7):G11C16/06 |
主分类号 |
G06F12/14 |
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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