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:
Sep. 10, 2024
Filed:
Jul. 05, 2022
Changxin Memory Technologies, Inc., Hefei, CN;
CHANGXIN MEMORY TECHNOLOGIES, INC., Hefei, CN;
Abstract
The present disclosure provides an electrostatic discharge (ESD) protection circuit for a chip, including: a monitoring unit, configured to generate a trigger signal when there is an ESD pulse on a power supply pad; a plurality of controllable drive units, connected to the monitoring unit, and each of the controllable drive units being configured to switch an operating state under a control of a control signal, wherein the operating state includes an output state, and the output state refers to generating a drive signal according to the trigger signal; and a discharge transistor, connected to the plurality of controllable drive units, and configured to be turned on under a drive of the drive signal so as to discharge an electrostatic charge to the ground pad.