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.

Date of Patent:
Feb. 11, 2025

Filed:

Jul. 14, 2021
Applicant:

Changxin Memory Technologies, Inc., Hefei, CN;

Inventor:

Qian Xu, Hefei, CN;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 27/02 (2006.01); H02H 9/04 (2006.01); H03K 17/081 (2006.01);
U.S. Cl.
CPC ...
H01L 27/0266 (2013.01); H01L 27/0288 (2013.01); H02H 9/045 (2013.01); H03K 17/08104 (2013.01);
Abstract

An electrostatic discharge protection circuit includes: a pulse detection unit, a delay unit, a control unit, and a discharge unit. The pulse detection unit is configured to detect an electrostatic pulse signal; the delay unit is configured to delay or enhance driving capability of the pulse detection signal output by the pulse detection unit; the control unit is configured to generate a control signal based on a first delay signal and a second delay signal output by the delay unit; and the discharge unit is configured to open or close an electrostatic charge discharge passage based on the control signal output by the control unit.


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Xu, Qian. (2025). Electrostatic discharge protection circuit including a pulse detection circuit (U.S. Patent No. 12224280). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12224280

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