发明授权
- 专利标题： Method and apparatus for refreshing memory cells
- 专利标题（中）： 刷新存储单元的方法和装置
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申请号： US10284806申请日： 2002-10-31
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公开(公告)号： US06788606B2公开(公告)日： 2004-09-07
- 发明人: Heiko Fibranz , Helmut Fischer
- 申请人： Heiko Fibranz , Helmut Fischer
- 优先权： DE10153754 20011031
- 主分类号： G11C700
- IPC分类号： G11C700
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.
公开/授权文献
- US20030081488A1 Method and apparatus for refreshing memory cells 公开/授权日：2003-05-01
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