Semiconductor storage device

Details Semiconductor storage device Semiconductor storage device

2008-09-22

2011-11-15

Trimmings, John (Department: 2117)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Error count or rate

C714S710000, C714S723000, C714S025000, C714S718000, C711S136000, C711S160000, C711S159000, C365S201000, C365S185330, C365S185010

Reexamination Certificate

active

08060797

ABSTRACT:
A semiconductor storage device can efficiently perform a refresh operation. A semiconductor storage device is provided which includes a non-volatile semiconductor memory storing data in blocks, the block being a unit of data erasing. A controlling unit is further included monitoring an error count of data stored in a monitored block selected from the blocks and for refreshing data in the monitored block in which the error count is equal to or larger than a threshold value.

REFERENCES:
patent: 5475693 (1995-12-01), Christopherson et al.
patent: 5732092 (1998-03-01), Shinohara
patent: 5963473 (1999-10-01), Norman
patent: 6151246 (2000-11-01), So et al.
patent: 6728913 (2004-04-01), Parker
patent: 7496811 (2009-02-01), Kanno
patent: 2003/0007402 (2003-01-01), Chevallier
patent: 2003/0033567 (2003-02-01), Tamura et al.
patent: 2003/0206460 (2003-11-01), Katayama et al.
patent: 2004/0153902 (2004-08-01), Machado et al.
patent: 2005/0248999 (2005-11-01), Tamura et al.
patent: 2007/0130496 (2007-06-01), Kanno
patent: 2008/0205145 (2008-08-01), Kanno et al.
patent: 2009/0177944 (2009-07-01), Kanno
patent: 2009/0183052 (2009-07-01), Kanno et al.
patent: 8 279295 (1996-10-01), None
patent: 2003 58432 (2003-02-01), None
patent: 2004 326867 (2004-11-01), None
patent: 2007 58966 (2007-03-01), None
patent: 2008 90778 (2008-04-01), None
patent: 97 32253 (1997-09-01), None
patent: WO 98/08166 (1998-02-01), None
U.S. Appl. No. 12/713,631, filed Feb. 26, 2010, Fukutomi, et al.
U.S. Appl. No. 12/552,330, filed Sep. 2, 2009, Yano, et al.
U.S. Appl. No. 12/529,228, filed Aug. 31, 2009, Yano, et al.
U.S. Appl. No. 12/542,222, filed Aug. 17, 2009, Yano, et al.
U.S. Appl. No. 12/529,126, filed Aug. 28, 2009, Yano, et al.
U.S. Appl. No. 12/529,139, filed Aug. 28, 2009, Yano, et al.
U.S. Appl. No. 12/529,193, filed Aug. 31, 2009, Yano, et al.
U.S. Appl. No. 12/529,270, filed Aug. 31, 2009, Yano, et al.
U.S. Appl. No. 12/529,192, filed Aug. 31, 2009, Yano, et al.
U.S. Appl. No. 12/555,274, filed Sep. 8, 2009, Kanno, et al.
U.S. Appl. No. 12/563,856, filed Sep. 21, 2009, Yano, et al.
U.S. Appl. No. 12/566,236, filed Sep. 24, 2009, Yano, et al.
U.S. Appl. No. 12/513,860, filed May 7, 2009, Nagadomi, et al.
U.S. Appl. No. 12/883,796, filed Sep. 16, 2010, Fukutomi, et al.
U.S. Appl. No. 12/884,844, filed Sep. 17, 2010, Yano, et al.
European Search Report issued Mar. 11, 2011 in European Patent Application No. EP 08 872498.
U.S. Appl. No. 13/052,146, filed Mar. 21, 2011, Ootsuka, et al.

Affiliated with

Also associated with

Rating

Semiconductor storage device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Semiconductor storage device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Semiconductor storage device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4306907