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:
Jun. 25, 2024
Filed:
Aug. 16, 2022
Shanghai Biren Technology Co.,ltd, Shanghai, CN;
Kai Lei, Shanghai, CN;
Yikai Liang, Shanghai, CN;
Yudan Deng, Shanghai, CN;
Linglan Zhang, Shanghai, CN;
Jinfu Ye, Shanghai, CN;
Huan Liu, Shanghai, CN;
Shanghai Biren Technology Co., Ltd, Shanghai, CN;
Abstract
A chip and a chip test method are provided. The chip includes a receiver circuit and a test circuit. The receiver circuit includes a signal receiving unit and a signal bump. The signal bump is coupled to the signal receiving unit. The test circuit is coupled to a circuit node between the signal receiving unit and the signal bump. The test circuit includes a digital-to-analog converter, a first resistor, and a unit gain buffer. A first terminal of the first resistor is coupled to the circuit node. An output terminal of the unit gain buffer is coupled to a second terminal of the first resistor. A first input terminal of the unit gain buffer is coupled to an output terminal of the digital-to-analog converter. A second input terminal of the unit gain buffer is coupled to an output terminal of the unit gain buffer.