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:
Nov. 01, 2005
Filed:
Dec. 24, 2002
Applicants:
Hitoshi Ikeda, Kawasaki, JP;
Yasuharu Sato, Kawasaki, JP;
Takaaki Suzuki, Kawasaki, JP;
Toshiya Uchida, Kawasaki, JP;
Kotoku Sato, Kawasaki, JP;
Inventors:
Hitoshi Ikeda, Kawasaki, JP;
Yasuharu Sato, Kawasaki, JP;
Takaaki Suzuki, Kawasaki, JP;
Toshiya Uchida, Kawasaki, JP;
Kotoku Sato, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F013/28 ;
U.S. Cl.
CPC ...
Abstract
A semiconductor memory device has a burst write mode in which predetermined plural command signals are input through a plurality of command pads and a mask control operation in the burst write mode is performed in response to the command signals. Therefore, the mask control in burst write mode is increased in speed to give an improved data transfer rate.