发明名称 |
Non-volatile semiconductor memory device |
摘要 |
A specific row of memory cells in a flash memory is set to be in a lock mode state, which affects reading of data in other rows of memory cells in a common memory array. Thus, a flash memory having a data concealing function is achieved.
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申请公布号 |
US6621740(B2) |
申请公布日期 |
2003.09.16 |
申请号 |
US20010977296 |
申请日期 |
2001.10.16 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
HOSOGANE AKIRA;DOHI YOSHITSUGU |
分类号 |
G11C16/02;G11C16/04;G11C16/06;G11C16/22;(IPC1-7):G11C16/06;G11C7/00 |
主分类号 |
G11C16/02 |
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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