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.

Date of Patent:
Jan. 08, 1991

Filed:

Jun. 12, 1989
Applicant:
Inventors:

Kazuhiro Sawada, Yokohama, JP;

Takayasu Sakurai, Tokyo, JP;

Kazutaka Nogami, Kawasaki, JP;

Assignee:

Kabushiki Kaisha Toshiba, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ; G11C / ; G11C / ;
U.S. Cl.
CPC ...
365222 ; 36523006 ; 365233 ;
Abstract

A dynamic read/write memory in which refreshing is performed within a read/write cycle so that write recovery time is not prolonged. A word line corresponding to a current address is continuously rendered operative within a write period. When a write operation is completed, the word line is rendered operative so that refreshing is initiated. A word line is rendered operative only within a given period of a read period.


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