US 12,169,649 B2
Storage device with improved read-ahead performance and operation method thereof
Chi Je Park, Icheon-si (KR); Jung Hyun Joh, Icheon-si (KR); and Hyeong Jae Choi, Icheon-si (KR)
Assigned to SK HYNIX INC., Icheon-si (KR)
Filed by SK hynix Inc., Icheon-si (KR)
Filed on Jul. 5, 2023, as Appl. No. 18/347,497.
Claims priority of application No. 10-2023-0003460 (KR), filed on Jan. 10, 2023.
Prior Publication US 2024/0231690 A1, Jul. 11, 2024
Int. Cl. G06F 12/00 (2006.01); G06F 3/06 (2006.01); G06F 12/02 (2006.01)
CPC G06F 3/0659 (2013.01) [G06F 3/061 (2013.01); G06F 3/0673 (2013.01); G06F 12/0215 (2013.01); G06F 2212/1016 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A memory controller, comprising:
a controller configured to:
receive a read command from an external device and determine whether the read command is a general read command or a read-ahead command;
continue an erase operation or a program operation currently in progress if the read command is the read-ahead command; and
temporarily suspend the erase operation or the program operation currently in progress and process the read command if the read command is the general read command.