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:
Jan. 08, 1991
Filed:
Jul. 28, 1988
Applicant:
Inventors:
Shuuichi Miyaoka, Ohme, JP;
Nobuo Tamba, Ohme, JP;
Toshikazu Arai, Maebashi, JP;
Hiroshi Higuchi, Takasaki, JP;
Hisayuki Higuchi, Kokubunji, JP;
Assignees:
Hitachi Microcomputer Engineering, Ltd., Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Akita Electronics Co., Ltd., Akita, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 68 ; 357 71 ; 357 40 ; 357 45 ;
Abstract
In a semiconductor integrated circuit device having memory cell arrays, power source wirings are provided on the memory cell array in parallel with the long side of the memory cell array, thereby strengthening the power source wirings without increasing a chip size and planning reduction in power source impedances.