Patent ID: 11869609
Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G  Y | IPC G

Claim 17:
18. An electronic device comprising:
a processor; and
a memory configured to store executable instructions of the processor;
wherein the processor is configured to perform a method for testing a memory by executing the executable instructions, the method comprising:
writing first data into each of memory cells of a memory array having a plurality of columns;
enabling a data mask mode, and latching the first data into predetermined memory cells;
writing second data only into other memory cells other than the predetermined memory
cells ;
enabling a leakage mode, and writing the first data into a memory cell corresponding to a column under test of the plurality of columns; and
after preset leakage time, disabling the leakage mode, and reading data from the memory cell corresponding to the column under test for testing;
reading data from the memory cells corresponding to columns of the plurality of columns; and
determining whether at least two columns of the plurality of columns include first data.