US 12,067,247 B2
Method of managing independent word line read operation in flash memory and related memory controller and storage device
Tzu-Yi Yang, Hsinchu County (TW)
Assigned to Silicon Motion, Inc., Hsinchu County (TW)
Filed by Silicon Motion, Inc., Hsinchu County (TW)
Filed on Dec. 8, 2022, as Appl. No. 18/078,077.
Prior Publication US 2024/0192856 A1, Jun. 13, 2024
Int. Cl. G06F 3/06 (2006.01)
CPC G06F 3/0613 (2013.01) [G06F 3/0659 (2013.01); G06F 3/0679 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A method of managing operation commands for a flash memory, comprising:
providing a first command queue for receiving and storing a plurality of normal operation commands;
providing at least one word line read (IWLR) command queue for receiving and storing a plurality of IWLR operation commands;
issuing a lock state command between each two consecutive IWLR operation commands to the at least one IWLR command queue;
determining a selected command queue from the first command queue and the at least one IWLR command queue according to the lock state command; and
delivering an operation command from the selected command queue to the flash memory.