A programmable integrated circuit (IC) provides high routing flexibility without the use of an output multiplexer structure. According to one embodiment, an IC includes programmable tiles arrayed in rows and columns. Output multiplexer structures are not included in the programmable tiles. Routing flexibility...http://www.google.de/patents/US7253658?utm_source=gb-gplus-sharePatent US7253658 - Integrated circuit providing direct access to multi-directional interconnect lines in a general interconnect structure
