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:
Aug. 07, 2001
Filed:
Oct. 22, 1999
Applicant:
Inventors:
Hiroki Yamamoto, Kyoto, JP;
Yoshihiro Tada, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 1/604 ;
U.S. Cl.
CPC ...
G11C 1/604 ;
Abstract
In a semiconductor storage device comprising a plurality of memory cells P formed in a matrix form in a semiconductor substrate, write and read for each of which is carried out through a word line and bit line, wherein each said memory cells includes a first and a second memory transistor MT,and MT,connected in series. In this configuration, the semiconductor storage device with high reliability which produces abnormality in operation can be provided.