US 11,656,790 B2
Memory system, memory controller, and operation method of memory system
Seung Gu Ji, Icheon-si (KR); and Hyung Min Lee, Icheon-si (KR)
Assigned to SK HYNIX INC., Icheon-si (KR)
Filed by SK hynix Inc., Icheon-si (KR)
Filed on Mar. 8, 2022, as Appl. No. 17/654,052.
Application 17/654,052 is a continuation of application No. 17/095,175, filed on Nov. 11, 2020, granted, now 11,307,794.
Claims priority of application No. 10-2020-0072729 (KR), filed on Jun. 16, 2020.
Prior Publication US 2022/0188017 A1, Jun. 16, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G06F 3/06 (2006.01)
CPC G06F 3/0655 (2013.01) [G06F 3/0604 (2013.01); G06F 3/0652 (2013.01); G06F 3/0679 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A memory system comprising:
a memory device including memory cells to store data and operable to perform an operation on one or more memory cells; and
a memory controller in communication with the memory device and configuredto control the memory device to perform an operation,
wherein the memory controller is configured to:
suspend a target operation that is being executed by the memory device based on i) whether or not to execute a first operation of resetting a reference read bias, and ii) a number of times the target operation is suspended, upon receiving a request for suspending the target operation or a read request from a host.