US 12,443,351 B2
Memory system
Shohei Onishi, Kanagawa (JP); and Yohei Hasegawa, Tokyo (JP)
Assigned to Kioxia Corporation, Tokyo (JP)
Filed by Kioxia Corporation, Tokyo (JP)
Filed on Mar. 14, 2024, as Appl. No. 18/604,946.
Claims priority of application No. 2023-048421 (JP), filed on Mar. 24, 2023.
Prior Publication US 2024/0319891 A1, Sep. 26, 2024
Int. Cl. G06F 3/06 (2006.01)
CPC G06F 3/0619 (2013.01) [G06F 3/0659 (2013.01); G06F 3/0673 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A memory system comprising:
a first memory region;
a second memory region; and
a controller configured to:
control coupling between the first memory region and the second memory region at one end and a host device at another;
generate first interleave setting information corresponding to the first memory region;
select the first memory region based on the first interleave setting information when an access request is received from the host device; and
update the first interleave setting information to second interleave setting information corresponding to the second memory region and not corresponding to the first memory region based on an amount of accumulated wear in the first memory region.