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. 24, 2025
Filed:
Sep. 18, 2023
Lapis Technology Co., Ltd., Yokohama, JP;
Ryuu Soga, Yokohama, JP;
Tomoyuki Maeda, Yokohama, JP;
LAPIS Technology Co., Ltd., Yokohama, JP;
Abstract
A semiconductor device includes: a storage circuit configured to be connected to a regulator circuit having characteristics to be identified using one or more values and store values identifying characteristics of the regulator circuit; and an electronic fuse controller including an input configured to be connected to an electronic fuse circuit including one or more electronic fuses, an output configured to be connected to the storage circuit, a reading control circuit, and a characteristic control circuit, in which the reading control circuit includes a reading circuit configured to read values from at least part of the electronic fuses through the input in a reading period, and the characteristic control circuit is configured to generate identification data configured to identify the characteristics based on a signal from the reading circuit and supply the identification data to the storage circuit through the output in an identifying period different from the reading period.