US 11,941,269 B2
Data storage device with enhanced power mode management
Niles Yang, Mountain View, CA (US); Sahil Sharma, San Jose, CA (US); and Phil D. Reusswig, Santa Clara, CA (US)
Assigned to Western Digital Technologies, Inc., San Jose, CA (US)
Filed by Western Digital Technologies, Inc., San Jose, CA (US)
Filed on Mar. 22, 2022, as Appl. No. 17/701,348.
Prior Publication US 2023/0305722 A1, Sep. 28, 2023
Int. Cl. G06F 3/06 (2006.01); G06F 1/3206 (2019.01)
CPC G06F 3/0634 (2013.01) [G06F 1/3206 (2013.01); G06F 3/0625 (2013.01); G06F 3/0679 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A data storage device, comprising:
a non-volatile memory device including one or more memory dies, wherein each of the one or more memory dies include a plurality of input-output (I/O) lines; and
a controller configured to:
enter a low-power operating mode by:
removing power from the one or more memory dies,
providing an output signal toggling between a logic high and a logic low at a predetermined frequency to the plurality of I/O lines for a predetermined period of time, and
operating in the low-power operating mode upon an expiration of the predetermined period of time.