US 12,443,265 B2
Storage device and operating method thereof
Woo Sick Choi, Gyeonggi-do (KR)
Assigned to SK hynix Inc., Gyeonggi-do (KR)
Filed by SK hynix Inc., Gyeonggi-do (KR)
Filed on Jun. 26, 2024, as Appl. No. 18/754,190.
Application 18/754,190 is a continuation of application No. 17/711,807, filed on Apr. 1, 2022, granted, now 12,050,503.
Claims priority of application No. 10-2021-0121731 (KR), filed on Sep. 13, 2021.
Prior Publication US 2024/0345648 A1, Oct. 17, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G11C 5/14 (2006.01); G06F 1/3225 (2019.01); G06F 1/3234 (2019.01)
CPC G06F 1/3275 (2013.01) [G06F 1/3225 (2013.01); G11C 5/147 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A storage device comprising:
a memory device;
a memory controller configured to control the memory device and comprising:
a plurality of operation modules configured to perform a function of the memory controller; and
a plurality of power switch cells configured to control power supplied to at least one operation module among the plurality of operation modules; and
a power management circuit configured to provide the memory device and the memory controller with a power voltage corresponding to the power and reduce a magnitude of the power voltage provided to the plurality of power switch cells in response to interrupting the power supplied to the at least one operation module.