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:
Feb. 18, 2025
Filed:
Jan. 13, 2023
Applicant:
SK Keyfoundry Inc., Cheongju-si, KR;
Inventors:
Seongjun Park, Suwon-si, KR;
Soyeon Kim, Seoul, KR;
Sungbum Park, Seongnam-si, KR;
Keesik Ahn, Hwaseong-si, KR;
Assignee:
SK keyfoundry Inc., Cheongju-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 17/00 (2006.01); G11C 7/24 (2006.01); G11C 17/16 (2006.01); G11C 17/18 (2006.01);
U.S. Cl.
CPC ...
G11C 17/16 (2013.01); G11C 7/24 (2013.01); G11C 17/18 (2013.01);
Abstract
A memory device includes an eFuse cell array in which unit cells of different types are alternately disposed, and each of the unit cells of different types includes a PN diode, a first NMOS transistor, and a fuse, wherein a first type unit cell and a second type unit cell are connected to each other through a common node, and the first type unit cell and the second type unit cell are disposed in a bilaterally symmetrical structure with respect to the common node.