US 12,118,246 B2
Method of operating storage device for retention enhancement and storage device performing the same
Hyunjin Kim, Seongnam-si (KR); Hyunduk Cho, Yongin-si (KR); and Sangeun Lee, Hwaseong-si (KR)
Assigned to Samsung Electronics Co., Ltd., (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Jul. 25, 2022, as Appl. No. 17/872,162.
Claims priority of application No. 10-2021-0153052 (KR), filed on Nov. 9, 2021.
Prior Publication US 2023/0143943 A1, May 11, 2023
Int. Cl. G06F 3/06 (2006.01); G06F 11/10 (2006.01); G11C 16/22 (2006.01); G11C 16/30 (2006.01)
CPC G06F 3/0659 (2013.01) [G06F 3/0619 (2013.01); G06F 3/0673 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of operating a storage device including a storage controller and a nonvolatile memory, the method comprising:
powering on the storage device based on an activation of an external power supply voltage;
waiting for an establishment of communication with a host device based on a link signal between the storage device and the host device; and
without the establishment of communication with the host device, performing a retention enhancement operation on the storage device by entering a retention enhancement mode and by providing at least one command from the storage controller to the nonvolatile memory.