1. In a memory device, a method comprising: receiving, at a controller, commands, addresses and data at the memory device via a defined interface for a first type of memory associated with the memory device; determining at the controller whether information received at the memory device corresponds to a second type of memory associated with the memory device, and if so, outputting signals to the second type of memory to communicate at least one command to the second type of memory and/or to perform at least one data input/output (I/O) operation on the second type of memory.