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:
Jun. 12, 2012
Filed:
Feb. 10, 2009
Applicants:
Chang-hee Shin, Cheongju-si, KR;
Ki-seok Cho, Cheongju-si, KR;
Seong-do Jeon, Cheongju-si, KR;
Inventors:
Assignee:
Magnachip Semiconductor, Ltd., Cheongju-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A One-Time Programmable (OTP) unit cell and a nonvolatile memory device having the same are disclosed. A unit cell of a nonvolatile memory device includes: an anti-fuse connected between an output terminal and a ground voltage terminal; a first switching unit connected to the output terminal to transfer a write voltage to the output terminal; and a second switching unit connected to the output terminal to transfer a read voltage to the output terminal.