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:
Oct. 17, 1989
Filed:
Dec. 28, 1987
Applicant:
Inventor:
Machio Segawa, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365207 ; 365210 ; 365222 ;
Abstract
A dynamic type semiconductor memory having an improved operation speed and operable by a small power consumption is disclosed. The memory cell includes a pair of bit lines which are divided into a plurality of sections, a plurality of first amplifiers provided for the sections, a second amplifier provided for the pair of bit lines. The first sense amplifier amplifies the signal at the relevant section and the second amplifier amplifies the signal from the first sense amplifier to drive a bus lines.