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:
Jun. 16, 2020

Filed:

Sep. 17, 2019
Applicant:

Realtek Semiconductor Corporation, Hsinchu, TW;

Inventors:

Chun-yi Kuo, Hsinchu County, TW;

Wen-Hsuan Hsu, Changhua County, TW;

Ying-Yen Chen, Chiayi County, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 5/135 (2006.01); H03K 5/00 (2006.01);
U.S. Cl.
CPC ...
H03K 5/135 (2013.01); H03K 2005/00019 (2013.01);
Abstract

Disclosed is a circuit operating speed detecting circuit configured to detect an operating speed of a target circuit during a monitor mode. The circuit operating speed detecting circuit includes a signal generator, an adjustable delay circuit, and a signal detector. During the monitor mode, the signal generator generates a predetermined signal in a current operating condition, the adjustable delay circuit generates a delay signal according to the predetermined signal in the current operating condition, and the signal detector detects the degree of delay of the delay signal in the current operating condition so as to generate a first result if the degree of delay is not greater than a predetermined threshold and generate a second result if the degree of delay is greater than the predetermined threshold, in which the first and the second results are related to the operating speed of the target circuit.


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