发明名称 |
Refresh circuit and refresh method in semiconductor memory device |
摘要 |
A refresh method for a semiconductor memory device having more than one bank group is provided. The refresh method may include applying an all-refresh command to one the bank groups, determining if one of the bank groups includes a bank undergoing a refresh operation when the all-refresh command is received, and performing an all-refresh operation based on the determination.
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申请公布号 |
US7844773(B2) |
申请公布日期 |
2010.11.30 |
申请号 |
US20070730275 |
申请日期 |
2007.03.30 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
SUNWOO JUNG;LEE YUN-SANG;CHUNG HOE-JU |
分类号 |
G06F12/00 |
主分类号 |
G06F12/00 |
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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