A general-purpose logic cell used in a general-purpose logic cell array for a logic circuit, includes a plurality of kinds of logic circuit elements, each of which has a plurality of terminals with no connection. The plurality of kinds of logic circuit elements includes a flip-flop and a first inverter...http://www.google.de/patents/US7161382?utm_source=gb-gplus-sharePatent US7161382 - General-purpose logic cell, general-purpose logic cell array using the same, and ASIC using general-purpose logic cell array
