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. 23, 1996
Filed:
Jun. 13, 1995
Applicant:
Inventors:
Akifumi Kawahara, Moriguchi, JP;
Toshiki Mori, Ibaraki, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365203 ; 365190 ; 365205 ; 365208 ; 36518909 ; 36518911 ;
Abstract
A column selection circuit of a semiconductor memory includes a plurality of transfer gates each of which is arranged between each sense amplifier and each column select gate for gating each column to an internal bus according to a difference between a potential of each bit line and a precharge potential of each data bus.