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:
Apr. 30, 2019
Filed:
Apr. 21, 2017
Huawei Technologies Co., Ltd., Shenzhen, Guangdong, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A reading circuit for a die ID in a chip is provided. The reading circuit includes a chip damage detection circuit, a switch selector, a fuse controller, and a fuse device, where the fuse device stores the die ID; the fuse controller reads the die ID from the fuse device; the chip damage detection circuit detects whether a processor in the chip is capable of operating properly, so as to obtain a detection result, and notify the switch selector of the detection result; and when the detection result is that the processor is capable of operating properly, the switch selector connects the processor and the fuse controller; and when the detection result is that the processor is not capable of operating properly, the switch selector connects the fuse controller and a maintenance device that is located outside the chip.