The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 27, 2009
Filed:
Oct. 17, 2005
Johannis F. R. Blacquiere, Eindhoven, NL;
Victor M. G. Van Acht, Waalre, NL;
Johannis F. R. Blacquiere, Eindhoven, NL;
Victor M. G. Van Acht, Waalre, NL;
NXP B.V., Eindhoven, NL;
Abstract
The present invention relates to a non-volatile memory device, comprising a memory array () with a plurality of memory cells () arranged in rows and columns, bit line conductors () coupled to said rows of memory cells, an averaging circuit () with inputs coupled to a plurality of said bit line conductors () and being arranged to determine an average level on respective analog signal levels on said plurality of bit line conductors (), a monitoring circuit () coupled to said averaging circuit () and being arranged to monitor said average level and to output a refresh command when said average level shows a predetermined behavior, and a refresh circuit () coupled to said monitoring circuit () and being arranged to refresh at least a selection of said plurality of memory cells () in response to said refresh command.