发明名称 |
Refreshing ferroelectric capacitors. |
摘要 |
<p>The invention relates in general to refreshing of ferroelectric capacitors. In one aspect, the invention relates to methods and apparatus for refreshing memory arrays having ferroelectric capacitors cells to increase the long-term endurance thereof. In order to refresh the ferroelectric material a voltage greater than the normal operational voltage across the capacitor is applied. <IMAGE></p> |
申请公布号 |
EP0495572(A2) |
申请公布日期 |
1992.07.22 |
申请号 |
EP19920300099 |
申请日期 |
1992.01.07 |
申请人 |
NATIONAL SEMICONDUCTOR CORPORATION |
发明人 |
MOAZZAMI, REZA N.M.I.;JAFFEE, JAMES M. |
分类号 |
G11C11/409;G11C11/22;G11C11/406;G11C14/00 |
主分类号 |
G11C11/409 |
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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