Patent ID: 11894088
Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 11:
12. A memory device, comprising:
a command receiving unit, configured to receive a read/write command;
a memory cell, configured to correspond to address information pointed to by the read/write command;
an execution unit, configured to perform a read/write operation on the memory cell;
a marking unit, configured to store address information and mark information corresponding to the address information, wherein the mark information records whether the address information is valid or invalid;
a non-volatile memory cell, configured to back up the address information and the mark information according to a preset rule; and
a loading unit, wherein the loading unit is connected to the marking unit and the non-volatile memory cell, the loading unit being configured to load the address information and the mark information backed up in the non-volatile memory cell into the marking unit.