Technical Specifications Comparison FeatureXC6SLX9-TQG144 (Spartan-6)XC3S500E (Spartan-3E) FPGA FamilySpartan-6 (45nm)Spartan-3E (90nm) Logic Cells9,1525,292 Slices1,430931 Block RAM (kb)576360 DSP Slices1620 Max User I/Os102172 Clock Ma...