发明名称 |
Semiconductor device for performing a refresh operation |
摘要 |
A semiconductor device according to the present invention has an address scrambling circuit for performing address scrambling operation of an address and a redundancy judging circuit for judging that redundancy judgment is performed about the address scrambled by the address scrambling circuit. This structure makes it possible to completely refresh operation concerned with normal word lines and redundancy word lines. |
申请公布号 |
US8274855(B2) |
申请公布日期 |
2012.09.25 |
申请号 |
US201113168804 |
申请日期 |
2011.06.24 |
申请人 |
OKAHIRO TETSUAKI;NODA HIROMASA;NOGUCHI KATSUNOBU;ELPIDA MEMORY, INC. |
发明人 |
OKAHIRO TETSUAKI;NODA HIROMASA;NOGUCHI KATSUNOBU |
分类号 |
G11C7/00 |
主分类号 |
G11C7/00 |
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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