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:
Nov. 24, 2020

Filed:

Dec. 13, 2018
Applicant:

SK Hynix Inc., Icheon-si, KR;

Inventors:

Yong Jun Kim, Icheon-si, KR;

Gae Hun Lee, Namyangju-si, KR;

Hea Jong Yang, Seongnam-si, KR;

Chan Lim, Seongnam-si, KR;

Min Kyu Jeong, Cheongju-si, KR;

Assignee:

SK hynix Inc., Icheon-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/04 (2006.01); G11C 16/14 (2006.01); H01L 27/11517 (2017.01); G11C 16/24 (2006.01); G11C 16/08 (2006.01);
U.S. Cl.
CPC ...
G11C 16/0483 (2013.01); G11C 16/08 (2013.01); G11C 16/14 (2013.01); G11C 16/24 (2013.01); H01L 27/11517 (2013.01);
Abstract

A semiconductor device includes a memory string coupled between a common source line and a bit line, the memory string including at least one first selection transistor, a plurality of memory cells, and a plurality of second selection transistors. The semiconductor device also includes selection lines respectively coupled to the second selection transistors. The semiconductor device further includes a control logic circuit configured to float a first group of selection lines from among the selection lines at a first time and configured to float a second group of selection lines from among the selection lines at a second time different from the first time.


Find Patent Forward Citations

Loading…