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.

Date of Patent:
Jan. 27, 2015

Filed:

Jun. 27, 2012
Applicants:

Chung-ji LU, Fongyuan, TW;

Hung-jen Liao, Hsinchu, TW;

Cheng Hung Lee, Hsinchu, TW;

Derek C. Tao, Fremont, CA (US);

Annie-li-keow Lum, San Jose, CA (US);

Hong-chen Cheng, Hsinchu, TW;

Inventors:

Chung-Ji Lu, Fongyuan, TW;

Hung-Jen Liao, Hsinchu, TW;

Cheng Hung Lee, Hsinchu, TW;

Derek C. Tao, Fremont, CA (US);

Annie-Li-Keow Lum, San Jose, CA (US);

Hong-Chen Cheng, Hsinchu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/02 (2006.01); G11C 7/06 (2006.01);
U.S. Cl.
CPC ...
G11C 7/067 (2013.01); G11C 7/065 (2013.01);
Abstract

A circuit includes a first node, a second node, a first current mirror circuit, and a second current mirror circuit. The first current mirror circuit has a reference end and a mirrored end. The reference end of the first current mirror circuit is coupled to the first node, and the mirrored end of the first current mirror circuit is coupled to the second node. The second current mirror circuit has a reference end and a mirrored end. The reference end of the second current mirror circuit is coupled to the second node, and the mirrored end of the second current mirror circuit is coupled to the first node.


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