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:
Dec. 06, 1988
Filed:
Nov. 24, 1986
Applicant:
Inventor:
Hideyuki Ozaki, Itami, JP;
Assignee:
Mitsubishi Denki Kabushiki, Hyogo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ; G11C / ; G11C / ;
U.S. Cl.
CPC ...
365189 ;
Abstract
In a semiconductor memory device comprising a memory cell array and array control circuit for controlling the memory cell array and being operable in a page mode or a nibble mode, a mode selection circuit is provided for selective connection for operation in the page mode or for operation in the nibble mode. The mode selection circuit of the invention comprises fuse means which can be blown or left unblown for the selective connection.