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:
May. 10, 2022
Filed:
Oct. 21, 2020
SK Hynix Inc., Icheon-si, KR;
SK hynix Inc., Icheon-si, KR;
Abstract
The memory device includes a memory block, a voltage generator, a pass switch group connecting or blocking the global lines and the local lines to each other or from each other in response to a block selection voltage, a decoder, and a logic circuit configured to control the decoder and the voltage generator so that the local lines are floated after initializing a channel of the strings and a voltage of the global lines is lower than a voltage of the global lines when initializing the channel of the strings, when a program operation of selected memory cells included in a selected page of the memory block is completed, the channels of the strings are initialized and the local lines are floated.