Semiconductor device and method of refreshing the same

Details Semiconductor device and method of refreshing the same Semiconductor device and method of refreshing the same

2009-01-14

2011-11-29

Yoha, Connie (Department: 2827)

Static information storage and retrieval

Read/write circuit

Data refresh

C365S185090, C365S200000, C365S230030, C365S230060

Reexamination Certificate

active

08068375

ABSTRACT:
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.

REFERENCES:
patent: 6597607 (2003-07-01), Koshita
patent: 6819671 (2004-11-01), Chen et al.
patent: 7003622 (2006-02-01), Shinohara et al.
patent: 7159156 (2007-01-01), Beer
patent: 2005/0010789 (2005-01-01), Liang
patent: 2004-055005 (2004-02-01), None

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