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:
May. 10, 2022

Filed:

Jul. 07, 2020
Applicant:

SK Hynix Inc., Icheon-si, KR;

Inventors:

Jong Kyung Park, Icheon-si, KR;

Ji Hyun Seo, Icheon-si, KR;

Assignee:

SK hynix Inc., Icheon-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/04 (2006.01); G11C 11/56 (2006.01); G11C 16/10 (2006.01);
U.S. Cl.
CPC ...
G11C 11/5628 (2013.01); G11C 11/5671 (2013.01); G11C 16/0483 (2013.01); G11C 16/10 (2013.01);
Abstract

A semiconductor memory apparatus includes a memory cell array, a peripheral circuit, and control logic. The memory cell array may include a plurality of memory cells. The peripheral circuit performs a program operation on selected memory cells among the plurality of memory cells. The control logic controls an operation of the peripheral circuit. The control logic controls the peripheral circuit to perform a pre-program operation on first memory cells to be programmed to an upper programmed state among the selected memory cells and perform a normal program operation on the selected memory cells after the pre-program operation.


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