A dynamically reconfigurable array logic (DRAL) is capable of in-system logical reconfiguration in real time and comprises a RAM programmable logic array of bits, each bit comprising a fuse connection between logic elements. I/O means are coupled to the RAM programmable logic array for logical selection...http://www.google.com/patents/US4791603?utm_source=gb-gplus-sharePatent US4791603 - Dynamically reconfigurable array logic