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:
Sep. 11, 2018

Filed:

Aug. 09, 2017
Applicant:

Texas Instruments Incorporated, Dallas, TX (US);

Inventors:

Srikanth Manian, Bangalore, IN;

Srinivas Theertham, Bangalore, IN;

Jagdish Chand, Bangalore, IN;

Dinesh Jain, Bangalore, IN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/66 (2006.01); H03K 5/26 (2006.01); H03K 5/135 (2006.01); H03L 7/081 (2006.01); H03L 7/08 (2006.01); H03L 7/07 (2006.01); H03L 7/18 (2006.01); H03K 5/15 (2006.01);
U.S. Cl.
CPC ...
H03K 5/26 (2013.01); H03K 5/135 (2013.01); H03K 5/1502 (2013.01); H03L 7/07 (2013.01); H03L 7/081 (2013.01); H03L 7/0805 (2013.01); H03L 7/18 (2013.01);
Abstract

In some embodiments, an apparatus comprises a device clock configured to generate a device clock signal a synchronization (SYSREF) clock generation circuit configured to receive the device clock signal from the device clock. The SYSREF clock generating circuit comprises a SYSREF divider configured to generate a SYSREF clock at least partially according to the device clock signal, an interpolator configured to generate a shifted clock at least partially according to the device clock signal, and a latch coupled to the SYSREF divider and the interpolator and configured to sample the SYSREF clock at a rising edge of the shifted clock.


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