A memory arrangement includes a plurality of switching elements arranged in the form of a binary tree. The oxygen reacts with the additional Mg and the Mg in the Mg layer to form a MgO tunnel barrier that enjoys excellent tunneling characteristics. The triggering results in a pending SR transmission. A method of assembling a microelectronic package includes preparing a wire interconnect template. In some embodiments, the membrane andor purification device forms a portion of a fuel processor, and in some embodiments, the membrane andor purification device forms a portion of a fuel processing or fuel cell system.