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:
Aug. 23, 2011
Filed:
Jan. 07, 2010
Mihoko Akiyama, Itami, JP;
Futoshi Igaue, Itami, JP;
Kenji Yoshinaga, Itami, JP;
Masashi Matsumura, Itami, JP;
Fukashi Morishita, Chiyoda-ku, JP;
Mihoko Akiyama, Itami, JP;
Futoshi Igaue, Itami, JP;
Kenji Yoshinaga, Itami, JP;
Masashi Matsumura, Itami, JP;
Fukashi Morishita, Chiyoda-ku, JP;
Renesas Electronics Corporation, Kanagawa, JP;
Abstract
A semiconductor integrated circuit device has a negative voltage generation circuit provided at each power supply circuit unit for six memory macros. Therefore, the response with respect to variation in a negative voltage is increased. In a standby mode, a negative voltage supply line for the six memory macros is connected by a switch circuit, and only a negative voltage generation circuit of one power supply circuit unit among six negative voltage generation circuits of the six power supply circuit units is rendered active. Thus, increase in standby current can be prevented.