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:
Dec. 27, 2016

Filed:

Apr. 23, 2015
Applicant:

Marvell International Ltd., Hamilton, BM;

Inventor:

Tao Zhang, Campbell, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 5/22 (2006.01); H03K 5/125 (2006.01);
U.S. Cl.
CPC ...
H03K 5/125 (2013.01);
Abstract

An apparatus includes an input difference determination circuit configured to determine a digital value based on a difference between first and second input signals, and a charge pump configured to provide a supply voltage to the first and second transistors to determine the digital value. The input difference determination circuit includes a first transistor and a second transistor cross-coupled to each other. A method includes generating a voltage using a charge pump, providing the voltage to an input difference determination circuit, and determining a digital value based on a difference between first and second input signals by the input difference determination circuit.


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