	US 12,112,046 B2
	Memory system and operation method thereof
Eujoon Byun, Gyeonggi-do (KR)
Assigned to SK hynix Inc., Gyeonggi-do (KR)
Filed by SK hynix Inc., Gyeonggi-do (KR)
Filed on May 8, 2023, as Appl. No. 18/313,372.
Application 18/313,372 is a division of application No. 16/922,583, filed on Jul. 7, 2020, granted, now 11,687,249.
Claims priority of application No. 10-2019-0168632 (KR), filed on Dec. 17, 2019.
Prior Publication US 2023/0350577 A1, Nov. 2, 2023
Int. Cl. G06F 11/10 (2006.01); G06F 3/06 (2006.01); G06F 11/30 (2006.01)

CPC G06F 3/0619 (2013.01) [G06F 3/0611 (2013.01); G06F 3/064 (2013.01); G06F 3/0656 (2013.01); G06F 3/0659 (2013.01); G06F 3/0679 (2013.01); G06F 11/1068 (2013.01); G06F 11/3037 (2013.01)]

10 Claims

1. An operation method of a memory system, comprising:

determining an access mode of an area in which data corresponding to a logical address is stored, when a read request with the logical address is received from a host;

performing an error correction operation to data from a first area when the data is stored in the first area having a first access mode and a second area having a second access mode; and

determining whether an error of the data from the first area is successfully corrected and transmitting the error-corrected data to the host when the error of the data from the first area is successfully corrected,

performing an error correction operation to data from the second area when the error of the data from the first area is not successfully corrected; and

transmitting the error-corrected data from the second area to the host.