Electrical computers and digital processing systems: support – Clock – pulse – or timing signal generation or analysis
Reexamination Certificate
2011-03-15
2011-03-15
Patel, Nitin C (Department: 2116)
Electrical computers and digital processing systems: support
Clock, pulse, or timing signal generation or analysis
C713S502000, C713S503000, C713S401000, C365S189150, C365S193000, C365S195000, C365S196000
Reexamination Certificate
active
07908507
ABSTRACT:
To provide a data fetch circuit, which reliably cuts off transmission of a high impedance state of a data strobe signal even if a manufacture condition or an operation condition is changed, and a control method thereof. The data fetch circuit includes an RL measuring part10measuring a latency measurement value RLB from an input of a read instruction signal RD to a valid edge of a data strobe signal DQS and an RL count comparing part30outputting a BL count start signal BST giving an instruction of a cancel of the cut-off of the data strobe signal DQS after standing by during the time based on the latency measurement value RLB in accordance with an input of a delay read instruction signal RDD.
REFERENCES:
patent: 6600681 (2003-07-01), Korger et al.
patent: 6621760 (2003-09-01), Ahmad et al.
patent: 6680866 (2004-01-01), Kajimoto
patent: 6785189 (2004-08-01), Jacobs et al.
patent: 6853594 (2005-02-01), Wu et al.
patent: 7038953 (2006-05-01), Aoki
patent: 7177230 (2007-02-01), Huang
patent: 7619404 (2009-11-01), LaBerge
patent: 2005/0152209 (2005-07-01), Shin et al.
patent: 2003-085974 (2003-03-01), None
Fujitsu Patent Center
Fujitsu Semiconductor Limited
Patel Nitin C
LandOfFree
Apparatus and method for masking input of invalid data... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus and method for masking input of invalid data..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for masking input of invalid data... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2742953