US 12,032,854 B2
Memory system and operating method thereof
Beom Rae Jeong, Icheon-si (KR)
Assigned to SK HYNIX INC., Icheon-si (KR)
Filed by SK hynix Inc., Icheon-si (KR)
Filed on Feb. 1, 2022, as Appl. No. 17/590,538.
Claims priority of application No. 10-2021-0100795 (KR), filed on Jul. 30, 2021.
Prior Publication US 2023/0033610 A1, Feb. 2, 2023
Int. Cl. G06F 12/00 (2006.01); G06F 3/06 (2006.01)
CPC G06F 3/0659 (2013.01) [G06F 3/0604 (2013.01); G06F 3/061 (2013.01); G06F 3/0631 (2013.01); G06F 3/0656 (2013.01); G06F 3/0673 (2013.01); G06F 3/0679 (2013.01)] 18 Claims
OG exemplary drawing
 
10. An operating method of a memory system having a controller for controlling one or more data storage devices that store data, comprising:
storing first data in a cache memory of the controller;
transferring the first data to one or more of page buffers in a first data storage device from a portion of the cache memory, wherein the page buffers include a least significant bit page buffer, a center significant bit page buffer, and a most significant bit page buffer; and
allocating the portion of the cache memory as a temporary buffer for storing valid data of background operations.