Static information storage and retrieval – Read/write circuit – Data refresh
Reexamination Certificate
2005-12-20
2005-12-20
Nguyen, VanThu (Department: 2824)
Static information storage and retrieval
Read/write circuit
Data refresh
C365S230030, C714S764000
Reexamination Certificate
active
06977858
ABSTRACT:
A semiconductor device comprises, a plurality of memory cells, and an error-correction circuit, wherein write operation is performed by a late-write method, and ECC processing is executed in parallel with writing, and thereby cycle time is shortened. Moreover, it is better that when a memory cell is power supplied through a well tap, the same address is not assigned while the memory cell is power supplied through the well tap.
REFERENCES:
patent: 4748627 (1988-05-01), Ohsawa
patent: 6026014 (2000-02-01), Sato et al.
patent: 6714471 (2004-03-01), Kono
patent: 61-50295 (1984-08-01), None
patent: 7-45096 (1993-08-01), None
Kawahara Takayuki
Kitai Naoki
Osada Kenichi
Saito Yoshikazu
Yamaguchi Ken
A. Marquez, Esq. Juan Carlos
Fisher Esq. Stanley P.
Hitachi Ulsi Systems Co., Ltd.
Nguyen Van-Thu
Reed Smith LLP
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