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. 27, 1990
Filed:
Jun. 05, 1987
Applicant:
Inventors:
Tsuyoshi Ohira, Kawasaki, JP;
Tomio Nakano, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ; G11C / ;
U.S. Cl.
CPC ...
36523003 ; 36523008 ; 36518908 ; 365233 ;
Abstract
A semiconductor memory device having a memory cell array constituted by a plurality of memory cell blocks includes a clock generator unit constituted by a plurality of clock generator sections, each of the clock generator sections corresponding to each of the memory cell blocks, and a block selector unit for selecting one of the clock generator sections in correspondence with the row address of a designated address. Accordingly, only a clock generator section corresponding to the selected memory cell block is operated by the designated address.