Patent ID: 11914479
Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 9:
10. 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 preset memory space, configured to store address information corresponding to a memory cell with data error;
a non-volatile memory cell, configured to back up the address information stored in the preset memory space according to a preset rule; and
a comparison unit, wherein the comparison unit is connected to the command receiving unit and the preset memory space, and the comparison unit is configured to compare the address information pointed to by the read/write command with the address information stored in the preset memory space;
wherein the execution unit is further connected to the comparison unit, and the execution unit is configured to perform a read/write operation on the memory cell corresponding to the address information pointed to by the read/write command, or to stop performing the read/write operation on the memory cell corresponding to the address information pointed to by the read/write command according to a result outputted by the comparison unit.