US 12,014,054 B2
Memory system and operating method thereof for performing re-ordering operation based on temperature increment
Sung Yeob Cho, Gyeonggi-do (KR)
Assigned to SK hynix Inc., Gyeonggi-Do (KR)
Filed by SK hynix Inc., Gyeonggi-do (KR)
Filed on Aug. 30, 2022, as Appl. No. 17/898,997.
Claims priority of application No. 10-2021-0143459 (KR), filed on Oct. 26, 2021.
Prior Publication US 2023/0127204 A1, Apr. 27, 2023
Int. Cl. G06F 3/06 (2006.01)
CPC G06F 3/0616 (2013.01) [G06F 3/0653 (2013.01); G06F 3/0659 (2013.01); G06F 3/0679 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A memory system comprising:
a memory device; and
a controller suitable for enqueuing operation requests provided from a host device into a request queue and controlling the memory device according to the operation requests,
wherein the controller estimates temperature increments respectively corresponding to the operation requests; and
performs a re-ordering operation for re-arranging the operation requests enqueued in the request queue based on the temperature increments, and
wherein the controller performs the re-ordering operation by re-arranging a random request and a sequential request among the operation requests such that the random request is re-arranged to be dequeued earlier than the sequential request from the request queue when the temperature increments respectively corresponding to the random request and the sequential request have the same value.