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. 19, 2011
Filed:
May. 18, 2010
Applicant:
Shi-hao Chen, Nantou, TW;
Inventor:
Shi-Hao Chen, Nantou, TW;
Assignee:
Global Unichip Corp., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 19/0175 (2006.01);
U.S. Cl.
CPC ...
Abstract
In one embodiment, a power domain isolation interface is disclosed. The interface has a level shifter having a signal input coupled to a first power domain and a memory element. The memory element has a signal input coupled to an output of the level shifter, an output coupled to a second power domain, and a hold enable input, wherein the memory element is configured to hold an input state when the hold enable input becomes asserted.