15. A method for operating a memory device as defined in claim 13 , wherein selectively configuring the configurable port comprises generating a mask word including a plurality of mask bits, each mask bit being associated with a respective bit of the memory word and wherein, for each mask bit of the mask word, if the mask bit is equal to a first logic value, the respective bit of the memory word is written in the corresponding memory cell of the selected row, and if the mask bit is equal to a second logic value, the respective bit of the memory word is not written to the corresponding memory cell of the selected row.
13. A method for operating a memory device as defined in claim 12 , further comprising selectively configuring the configurable port, in response to a second configuration command, to disable writing of the at least one second word to the selected row and to enable writing of the at least one first word to the selected row.