Non-volatile semiconductor memory device and electric device...

Details Non-volatile semiconductor memory device and electric device... Non-volatile semiconductor memory device and electric device...

2008-01-01

2008-01-01

Kim, Matthew (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

Reexamination Certificate

active

10950416

ABSTRACT:
A non-volatile semiconductor memory device includes: a cell array having electrically rewritable and non-volatile memory cells arranged therein, the cell array being divided into a plurality of blocks, each the block being divided into a plurality of sub-blocks each having one or plural and continuous pages; and a controller for controlling data erasure of the cell array in a way that each the sub-block serves as a unit of data erasure, wherein each the sub-block in the cell array stores the number of data erasure which is renewed by each data erasure, and the number of data erasure is limited for each the sub-block to a permissible maximum value stored in a certain block in the cell array.

REFERENCES:
patent: 5428569 (1995-06-01), Kato et al.
patent: 5457658 (1995-10-01), Niijima et al.
patent: 5485595 (1996-01-01), Assar et al.
patent: 5544356 (1996-08-01), Robinson et al.
patent: 5841699 (1998-11-01), Miyauchi
patent: 5963970 (1999-10-01), Davis
patent: 6175517 (2001-01-01), Jigour et al.
patent: 6513095 (2003-01-01), Tomori
patent: 6591329 (2003-07-01), Kakinuma et al.
patent: 2003/0133338 (2003-07-01), Kanda et al.
patent: 2004/0039870 (2004-02-01), Roohparvar
patent: 2005/0047216 (2005-03-01), Kojima
patent: 2005/0144357 (2005-06-01), Sinclair
patent: 2005/0144363 (2005-06-01), Sinclair
patent: 2005/0144367 (2005-06-01), Sinclair
patent: 8-153398 (1996-06-01), None
U.S. Appl. No. 11/227,516, filed Sep. 16, 2005, Tanaka.
U.S. Appl. No. 11/610,193, filed Dec. 13, 2006, Fukuka et al.

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