A memory interface device has an address input(s) configured to receive address information from an address stream of a host controller; an address output(s) configured to drive address information, and is coupled to a plurality of memory devices; an address match table comprising at least a revised address corresponding to a spare memory location; a control module configured to determine address information from an address stream from an address command bus coupled to a host controller during a run time operation; and a multiplexer coupled to the address input and coupled to the address output.