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:
Jul. 09, 2019

Filed:

May. 30, 2018
Applicant:

Xilinx, Inc., San Jose, CA (US);

Inventors:

Paolo Novellini, Gorgonzola, IT;

Antonello Di Fresco, Abbiategrasso, IT;

Assignee:

XILINX, INC., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/081 (2006.01); H03L 7/08 (2006.01); H03L 7/091 (2006.01); H04L 1/20 (2006.01); G11C 7/22 (2006.01); H04L 7/033 (2006.01);
U.S. Cl.
CPC ...
H03L 7/0807 (2013.01); G11C 7/222 (2013.01); H03L 7/081 (2013.01); H03L 7/091 (2013.01); H04L 1/205 (2013.01); H04L 7/0331 (2013.01); H03L 2207/06 (2013.01); H03L 2207/50 (2013.01);
Abstract

A circuit for receiving data is described. The circuit comprises a phase detector circuit comprising a detector having a first input configured to receive a sum of an oscillator phase and a phase error, and a second input coupled to an output of a first sample selector; a second sample selector having an input coupled to receive the input data and generate output data; and an eye detection circuit comprising a third sample selector having an input coupled to receive the input data and a comparator for comparing outputs of the second sample selector and the third sample selector to determine how much an eye is open for a plurality of channels. A method of implementing a receiver is also described.


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