发明名称 |
Semiconductor memory device for enhancing refresh operation in high speed data access |
摘要 |
A semiconductor device for refreshing data stored in a memory device includes a cell area having N+1 number of unit cell blocks, each including M number of word lines which respectively are coupled to a plurality of unit cells; a tag block having N+1 number of unit tag blocks, each storing at least one physical cell block address denoting a row address storing a data; and a control block for controlling the tag block and the predetermined cell block table for refreshing the data in the plurality of unit cells coupled to a word line in response to the physical cell block address.
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申请公布号 |
US7174418(B2) |
申请公布日期 |
2007.02.06 |
申请号 |
US20030749766 |
申请日期 |
2003.12.30 |
申请人 |
HYNIX SEMICONDUCTOR INC. |
发明人 |
HONG SANG-HOON;AHN JIN-HONG;KO JAE-BUM;KIM SE-JUN |
分类号 |
G06F12/00;G11C11/401;G06F13/00;G11C11/406 |
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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