发明名称 |
Method and apparatus for refreshing memory cells |
摘要 |
In a memory element with a first number of memory cells having a first retention time for holding a content of the memory cells and a second number of memory cells having a second retention time for holding the content of the memory cell, a method for refreshing the memory cells comprises a step of refreshing the first number of memory cells when reaching the first retention time and a step of refreshing the second number of memory cells when reaching the second retention time. An apparatus for refreshing the memory cells of the memory element is provided for refreshing the first number of memory cells when reaching the first retention time, and for refreshing the second number of memory cells when reaching the second retention time.
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申请公布号 |
US6788606(B2) |
申请公布日期 |
2004.09.07 |
申请号 |
US20020284806 |
申请日期 |
2002.10.31 |
申请人 |
INFINEON TECHNOLOGIES AG |
发明人 |
FIBRANZ HEIKO;FISCHER HELMUT |
分类号 |
G11C11/406;(IPC1-7):G11C7/00 |
主分类号 |
G11C11/406 |
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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