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:
Feb. 22, 2011
Filed:
Nov. 26, 2007
Applicants:
Tomofumi Watanabe, Gifu, JP;
Satoshi Noro, Gifu, JP;
Satoshi Yokoo, Ota, JP;
Inventors:
Assignees:
Sanyo Electric Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An efficient logic chip operating power supply having digital circuits in a multi-chip package is provided. A multi-chip package semiconductor device fabricated in common with a driver chip having analog circuits and a logic chip having digital circuits, a logic chip power supply circuit is provided in which a driver chip creates a logic chip power supply dedicated for the logic chip. The logic chip has internal logic circuitry operating by receiving a power supply from the logic chip power supply circuit via power input terminals.