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:
May. 09, 2023
Filed:
Dec. 23, 2021
Applicant:
Renesas Electronics Corporation, Tokyo, JP;
Inventors:
Issei Kashima, Tokyo, JP;
Atsushi Tsuda, Tokyo, JP;
Assignee:
RENESAS ELECTRONICS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/22 (2006.01); H03K 5/24 (2006.01); H03K 17/60 (2006.01); H03K 17/687 (2006.01);
U.S. Cl.
CPC ...
H03K 17/22 (2013.01); H03K 5/24 (2013.01); H03K 17/60 (2013.01); H03K 17/687 (2013.01);
Abstract
To provide a technique for detecting a low voltage of a power-on reset circuit. A semiconductor device has a power-on reset circuit including: a first bipolar transistor; a second bipolar transistor formed by connecting a plurality of bipolar transistors in parallel; a detection-voltage adjusting resistance element; a temperature-characteristic adjusting resistance element; a current adjusting resistance element; and a comparator.