发明名称 |
Memory device having programmable access protection and method of operating the same |
摘要 |
A memory device comprises a memory array having corresponding first access control bits to control access thereto. A second set of access control bits is provided to control write access to the first access control bits. The memory array is divided into memory blocks, each block having a corresponding access control bit. At least one such block is further subdivided into pages, each page having a corresponding control bit.
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申请公布号 |
US5974500(A) |
申请公布日期 |
1999.10.26 |
申请号 |
US19970971117 |
申请日期 |
1997.11.14 |
申请人 |
ATMEL CORPORATION |
发明人 |
MALETSKY, KERRY D.;WARD, JAMES P.;STEINMETZ, MICHAEL J.;CROMER, DARYL C.;PRUETT, GREGORY |
分类号 |
G06F1/00;G06F7/00;G06F12/14;G06F21/00;G06F21/02;G06K19/07;G11C7/24;G11C8/20;G11C16/06;G11C16/22;(IPC1-7):G06F13/00;G11C16/04 |
主分类号 |
G06F1/00 |
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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