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. 24, 1989
Filed:
Aug. 13, 1987
Applicant:
Inventors:
Yasuo Itoh, Kawasaki, JP;
Fumio Horiguchi, Kawasaki, JP;
Shigeyoshi Watanabe, Yokohama, JP;
Kazunori Ohuchi, Yokohama, JP;
Mitsugi Ogura, Yokohama, JP;
Assignee:
Kabushiki Kasiha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ; G11C / ;
U.S. Cl.
CPC ...
365189 ; 365230 ; 365233 ;
Abstract
A dynamic random access memory system comprises first and second memory banks. A plurality of memory cells connected to a word line are grouped into first and second groups. The first group is arranged in the first memory bank and the second group is arranged in the second memory bank. Read/write means is provided in which each n bits from and to the first group and each n bits from and to the second group are read and written alternatively. Each bit is read and written in synchronism with the toggles of a column address strobe signal.