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. 20, 2025
Filed:
Nov. 28, 2022
Applicant:
Renesas Electronics Corporation, Tokyo, JP;
Inventor:
Kosuke Yayama, Tokyo, JP;
Assignee:
RENESAS ELECTRONICS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 5/14 (2006.01); G06F 1/04 (2006.01); H03B 5/12 (2006.01); H03K 19/0944 (2006.01);
U.S. Cl.
CPC ...
G06F 1/04 (2013.01); G11C 5/145 (2013.01); H03B 5/1284 (2013.01); H03K 19/0944 (2013.01);
Abstract
A technique capable of detecting a substrate bias voltage at a low power consumption is provided. The technique including: a voltage boost circuit outputting a boost voltage based on a first clock signal having a first frequency; a voltage drop circuit outputting a drop voltage based on a second clock signal having a second frequency; and a logic circuit block comparing the first frequency and the second frequency and outputting a comparison result between the first frequency and the second frequency in accordance with predetermined criteria is provided.