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:
Jun. 28, 2011
Filed:
Mar. 05, 2008
Wolfgang Hokenmaier, Burlington, VT (US);
Farrukh Aquil, Essex Junction, VT (US);
Steffen Loeffler, Essex Junction, VT (US);
Wolfgang Hokenmaier, Burlington, VT (US);
Farrukh Aquil, Essex Junction, VT (US);
Steffen Loeffler, Essex Junction, VT (US);
Qimonda AG, Munich, DE;
Abstract
A memory including an array of memory cells and a control circuit. The control circuit is configured to control partial array self refreshes and to switch from one partial array self refresh to another partial array self refresh. Data in memory cells that are refreshed via the one partial array self refresh and refreshed via the other partial array self refresh is retained in the memory cells from before a first switch from the one partial array self refresh to the other partial array self refresh to after the first switch.