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. 01, 2013
Filed:
Aug. 18, 2009
Applicants:
Jie LI, Jiangsu, CN;
NA Bai, Jiangsu, CN;
Ming Ling, Jiangsu, CN;
Aiguo Bu, Jiangsu, CN;
Chao Wang, Jiangsu, CN;
Chen HU, Jiangsu, CN;
Inventors:
Assignee:
Southeast University, Jiangsu, CN;
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A capacity and density enhancement circuit for a sub-threshold memory unit array which can decrease the drain current in the bit lines and enhance the pull-up capability of memory cells. The capacity and density enhancement circuit is composed of a first enhancement transistor, a second enhancement transistor, a first mask transmission gate, a second mask transmission gate, a first logic memory capacitor and a second logic memory capacitor.