A programmable logic block provides fast interconnect paths between carry multiplexer output terminals and the input terminals of function generators (e.g., lookup tables) in the same logic block. An integrated circuit includes an interconnect structure, a function generator, and a carry multiplexer...http://www.google.fr/patents/US7218140?utm_source=gb-gplus-shareBrevet US7218140 - Integrated circuit having fast interconnect paths between carry chain multiplexers and lookup tables
Integrated circuit having fast interconnect paths between carry chain ...