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:
Dec. 03, 2013
Filed:
Dec. 17, 2012
Applicant:
Huabin Du, Suzhou, CN;
Inventor:
Huabin Du, Suzhou, CN;
Assignee:
Freescale Semiconductor, Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/455 (2006.01); G06F 17/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
A level shifter physical verification system identifies missing level shifters in a multi-voltage domain integrated circuit design. The system analyzes a physical layout design data file for design to identify domains and signals that cross domains, and connected nets of devices within the IC design having one or more missing level shifters.