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. 31, 2012
Filed:
Dec. 04, 2009
Applicants:
Toshikazu Nakamura, Tokyo, JP;
Atsushi Takeuchi, Tokyo, JP;
Atsushi Nakakubo, Tokyo, JP;
Inventors:
Assignee:
Fujitsu Semiconductor Limited, Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 5/14 (2006.01); G11C 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor memory includes: a voltage supply circuit which supplies a first voltage to a word line when an internal circuit is in a standby state, and supplies a second voltage higher than the first voltage to the word line when the internal circuit is in an active state; and a control circuit changes a drive capacity of the voltage supply circuit when changing from the standby state to the active state and the second voltage is supplied to the word line.