| 发明名称 |
Phase change memory having temperature budget sensor |
| 摘要 |
<p>A semiconductor device includes a plurality of memory cells, a temperature budget sensor, and a circuit. The circuit periodically compares a signal from the temperature budget sensor to a reference signal and refreshes the memory cells based on the comparison.</p> |
| 申请公布号 |
EP1858021(A2) |
申请公布日期 |
2007.11.21 |
| 申请号 |
EP20070009713 |
申请日期 |
2007.05.15 |
| 申请人 |
QIMONDA AG |
发明人 |
HAPP, THOMAS, DR.;PHILIPP, JAN MORIS |
| 分类号 |
G11C7/04;G11C16/02;G11C16/34 |
主分类号 |
G11C7/04 |
| 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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