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:
Mar. 16, 2004
Filed:
Nov. 13, 2002
Applicant:
Inventor:
Katsuo Komatsuzaki, Ibaraki, JP;
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 1/122 ;
U.S. Cl.
CPC ...
G11C 1/122 ;
Abstract
Memory apparatus and methods are provided for storing data in a semiconductor device, comprising volatile and non-volatile portions, where the non-volatile portion comprises two ferroelectric capacitors coupled with one of two internal nodes in the volatile memory portion. Apparatus is also disclosed wherein first and second ferroelectric capacitors are coupled with the first internal node of the volatile portion, and third and fourth ferroelectric capacitors are coupled with the second internal node of the volatile portion.