Spartan-6 vs Spartan-7: Should I Stay or Should I Go?
Xilinx announced the Spartan-6 FPGA family in 2009, based on a 45 nm IC process technology. Over time, the family grew to encompass the standard LX version, with 3.84K to 147K logic cells, and as many as 576 I/O pins, 180 DSP slices, and 268 18-Kbit Block RAMs. Spartan-6 LXT FPGAs provide the same range…
Source: eejournal.com