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:
Oct. 11, 2011
Filed:
Dec. 31, 2007
Applicants:
Andreas Scade, Dresden, DE;
Stefan Guenther, Dresden, DE;
Inventors:
Andreas Scade, Dresden, DE;
Stefan Guenther, Dresden, DE;
Assignee:
Cypress Semiconductor Corporation, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A memory circuit includes a high voltage region providing storage of a nonvolatile bit, and a low voltage region providing at least partial storage of a volatile bit. The high and low voltage regions are isolated from one another and formed by a plurality of transistors in series between a current source and a bit line.