A memory module MM, in which a module wiring substrate 5 is equipped with function switching means KK1 and KK2 for arbitrarily switching function switching signals to be inputted to function switching pins FP0 and FP1 of memories 1. By these function switching means KK1 and KK2, moreover, the function...http://www.google.de/patents/US6288924?utm_source=gb-gplus-sharePatent US6288924 - Semiconductor device and process for manufacturing the same
