US 11,698,739 B2
Memory system and operating method thereof
Soon Yeal Yang, Gyeonggi-do (KR)
Assigned to SK hynix Inc., Gyeonggi-do (KR)
Filed by SK hynix Inc., Gyeonggi-do (KR)
Filed on Oct. 20, 2021, as Appl. No. 17/506,281.
Claims priority of application No. 10-2021-0073582 (KR), filed on Jun. 7, 2021.
Prior Publication US 2022/0391092 A1, Dec. 8, 2022
Int. Cl. G06F 3/06 (2006.01)
CPC G06F 3/064 (2013.01) [G06F 3/0604 (2013.01); G06F 3/0652 (2013.01); G06F 3/0659 (2013.01); G06F 3/0683 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A memory system comprising:
a plurality of memory devices each including zone blocks; and
a controller configured to evenly distribute open zone blocks within the memory devices by referring to an activated zone block count table and a full zone block count table,
wherein the activated zone block count table includes an activated zone block count of each of the memory devices, and the full zone block count table includes a full zone block count of each of the memory devices.