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. 13, 2022
Filed:
May. 27, 2020
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventors:
Yucheon Ju, Suwon-si, KR;
Hosung Cho, Hwaseong-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01); G11C 29/38 (2006.01); G11C 29/36 (2006.01);
U.S. Cl.
CPC ...
G11C 29/38 (2013.01); G11C 29/36 (2013.01); G11C 2029/3602 (2013.01);
Abstract
A memory device includes a memory cell array, an input/output circuit, a test register circuit, and a test control block. The memory cell array is suitable for storing data. The input/output circuit is suitable for inputting and outputting the data stored in the memory cell array. The test register circuit is suitable for testing the input/output circuit. The test control block includes a replica circuit having a replica configuration of the test register circuit by modeling the test register circuit, and is suitable for generating the data to test the test register circuit.