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:
Jan. 03, 2017
Filed:
Apr. 04, 2014
Applicant:
Lattice Semiconductor Corporation, Hillsboro, OR (US);
Inventor:
Trent Whitten, Portland, OR (US);
Assignee:
LATTICE SEMICONDUCTOR CORPORATION, Hillsboro, OR (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 3/00 (2006.01); G05F 3/26 (2006.01);
U.S. Cl.
CPC ...
G05F 3/262 (2013.01);
Abstract
Systems and methods are provided for generating accurate current ratios from a current mirror including an array of output transistor and a corresponding array of switches. Each switch couples in series with its corresponding output transistor. A control logic circuit controls the switches to cancel mismatches for the output transistors.