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:
May. 18, 2021

Filed:

Jul. 06, 2020
Applicant:

Realtek Semiconductor Corporation, Hsinchu, TW;

Inventors:

Chia-Ling Hsu, Taoyuan, TW;

Ting-Hsiung Wang, Kaohsiung, TW;

Meng-Jung Lee, Taoyuan, TW;

Yu-Lan Lo, Hsinchu County, TW;

Shu-Yi Kao, Hsinchu County, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 30/3312 (2020.01); G06F 30/398 (2020.01); G06F 30/3315 (2020.01); G06F 119/12 (2020.01);
U.S. Cl.
CPC ...
G06F 30/3312 (2020.01); G06F 30/3315 (2020.01); G06F 30/398 (2020.01); G06F 2119/12 (2020.01);
Abstract

A method of detecting the relations between the pins of a circuit and a computer program product thereof are provided. The method includes: retrieving a circuit description file describing a circuit; retrieving at least one data pin and at least one clock pin of the circuit; converting the circuit to a cell level; and tracing the circuit in the cell level to identify multiple flip-flops coupled to the clock pin; tracing the circuit in the cell level to identify a target flip-flop coupled to the data pin; and determining whether the data pin is related to the clock pin according to the data signal and the clock signal of the target flip-flop.


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