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:
Feb. 21, 1989
Filed:
Feb. 25, 1987
Applicant:
Inventors:
Yoshihiro Takemae, Tokyo, JP;
Takeo Takematsu, Yokohama, JP;
Kimiaki Sato, Tokyo, JP;
Takashi Horii, Yokohama, JP;
Nobumi Kodama, Kawasaki, JP;
Makoto Yanagisawa, Kawasaki, JP;
Yasuhiro Takada, Yokohama, JP;
Assignee:
Fujitsu Limited, Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ; G11C / ;
U.S. Cl.
CPC ...
365205 ; 365189 ; 365233 ;
Abstract
A one-transistor one-capacitor type semiconductor memory device having a detection circuit for detecting the electric potential of a word line, to determine an appropriate timing for driving a sense amplifier, thereby improving the speed of memory operations.