1. A method for forming an integrated memory module, comprising: forming a plurality of data memory cells; forming a control device for controlling access to the plurality of memory cells; and forming a command decoding device for receiving external operation commands and selectively providing received operation commands to the control device, wherein the command decoding device is programmable to a predetermined specification from a plurality of different specifications available on the memory module, each of the plurality of different specifications setting an operating state of the memory module for carrying out the received operation commands.