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:
Apr. 21, 2015
Filed:
Nov. 28, 2012
Applicant:
Panasonic Corporation, Osaka, JP;
Inventor:
Yoshinobu Yamagami, Osaka, JP;
Assignee:
Socionext Inc., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01); G11C 5/14 (2006.01); G11C 7/12 (2006.01); G11C 8/08 (2006.01); G11C 11/417 (2006.01);
U.S. Cl.
CPC ...
G11C 5/14 (2013.01); G11C 7/12 (2013.01); G11C 8/08 (2013.01); G11C 11/417 (2013.01);
Abstract
A semiconductor memory device includes a memory cell connected to a word line and a bit line, for storing and holding data, a word line driver circuit connected to the word line, a bit line precharge circuit connected to the bit line, and a peripheral control circuit. First power supply VDD is connected to the memory cell and the peripheral control circuit, and first power supply VDD is connected to word line driver circuit and bit line precharge circuit through switching element controlled by first control signal PD.