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:
Jul. 18, 1989
Filed:
Sep. 24, 1987
Applicant:
Inventors:
Masaya Muranaka, Akishima, JP;
Hiromi Matsuura, Tokorozawa, JP;
Kanehide Kenmizaki, Kodaira, JP;
Osamu Okayama, Tokyo, JP;
Assignees:
Hitachi, Ltd., Tokyo, JP;
Hitachi VLSI Engineering Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365200 ; 36523001 ; 365201 ; 371 10 ;
Abstract
A semiconductor memory having a memory array, a first and a second selection line which are connected to a memory cell, and a selection means which selects either one of the selection lines. The selection means includes a selection circuit which optionally selects the first selection line or the second selection line when an address signal corresponding to the first selection line is aligned with a predetermined address signal.