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:
Nov. 21, 1995
Filed:
Sep. 13, 1994
Applicant:
Inventor:
Yoshiyuki Haraguchi, Hyogo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365200 ; 36518901 ;
Abstract
One transmission gate and one fuse are provided in series corresponding to a predecode signal. A fuse for turning on or off the transmission gate and a fuse for grounding an output are provided. When a redundancy memory cell row is not used, all the fuses are connected. The transmission gate is turned off, and the output is grounded. When the redundancy memory cell row is used, all the fuses excluding one fuse corresponding to the predecode signal to be transmitted are disconnected.