A new programmable logic device architecture with an improved LAB and improved interconnection resources. For interconnecting signals to and from the LABs (200), the global interconnection resources include switch boxes (310), long lines (340 and 350), double lines (360 and 370), single lines (385),...http://www.google.fr/patents/US6122720?utm_source=gb-gplus-shareBrevet US6122720 - Coarse-grained look-up table architecture
