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. 02, 2024
Filed:
Jul. 29, 2021
Applicant:
Texas Instruments Incorporated, Dallas, TX (US);
Inventor:
Ryan Alexander Smith, Lucas, TX (US);
Assignee:
TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/099 (2006.01); G04F 10/00 (2006.01); H03K 3/037 (2006.01); H03K 19/0175 (2006.01); H03M 7/16 (2006.01);
U.S. Cl.
CPC ...
H03L 7/0995 (2013.01); G04F 10/005 (2013.01); H03K 3/037 (2013.01); H03K 19/017509 (2013.01); H03M 7/16 (2013.01); H03L 2207/50 (2013.01);
Abstract
A system includes a ring oscillator including an odd number of inverters arranged in a ring. The system also includes a time to digital converter including an odd number of flops, where each of the flops is coupled to an output of a different inverter. The system includes a level shifter coupled to the inverters and to the flops. The system also includes a Gray counter coupled to at least one of the flops. The system includes a decoder coupled to the time to digital converter. The system also includes a phase frequency detector coupled to the decoder.