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:
Jul. 09, 1991
Filed:
Jul. 17, 1989
Applicant:
Inventors:
Keiji Maruyama, Kawasaki, JP;
Ryosuke Matsuo, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
36518907 ; 365222 ; 3401462 ;
Abstract
A semiconductor memory comprises a semiconductor memory circuit, a counter section for causing at least a part of counters to operate in association with an operation of the semiconductor memory circuit, and a counter comparator for comparing the logic state outputs of two independent counters of the counter section with each other, the output of the counter comparator being used to control the semiconductor memory circuit.