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. 13, 1994
Filed:
Aug. 06, 1992
Applicant:
Inventor:
Koichi Nagase, Hyogo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365222 ; 36523003 ;
Abstract
A refresh mode switching signal generating circuit generates a refresh mode switching signal of an H level or an L level depending on whether a particular bonding pad is wire-bonded to a power supply terminal of a package. In response to the refresh mode switching signal, the refresh mode switching circuit switches a cycle number in a refresh mode of a semiconductor memory device, so that the cycle number in a refresh mode can be changed according to requirements of users.
Quick Actions:
Nagase, Koichi. (1994). Semiconductor device in which the number of word lines selected (U.S. Patent No. 5373475). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5373475
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