Andy Ye Jonathan Rose Using Bus-Based Connections to Improve Field-Programmable Gate-Array Density for Implementing Datapath Circuits. 462-473 2006 14 IEEE Trans. VLSI Syst. 5 http://doi.ieeecomputersociety.org/10.1109/TVLSI.2006.876095 db/journals/tvlsi/tvlsi14.html#YeR06