14 www.xilinx.com Spartan-6 FPGA PCB Design and Pin PlanningUG393 (v1.1) April 29, 2010Chapter 2: Power Distribution SystemRequired PCB Capacitor QuantitiesTable 2-1 lists the PCB decoupling capacitor guidelines per V CC supply rail.Table 2-1: Required PCB Capacitor Quantities per Device (1)Package Device(XC6S)V CCINTin μFVCCAUXin μFV CCOBank 0in μFV CCOBank 1in μFV CCOBank 2in μFV CCOBank 3in μFV CCOBank 4in μFV CCOBank 5in μF Total(2)100 4.7 0.47 100 4.7 0.47 100 4.7 0.47 100 4.7 0.47 100 4.7 0.47 100 4.7 0.47 100 4.7 0.47 100 4.7 0.47TQG144 LX4 0 5 1 0 7 3 0 1 2 0 1 2 0 1 2 0 1 2 28TQG144 LX9 1 1 2 0 7 3 0 1 2 0 1 2 0 1 2 0 1 2 26CPG196 LX4 0 5 1 1 1 3 1 1 2 1 1 2 1 1 2 1 1 2 27CPG196 LX9 1 1 2 1 1 3 1 1 2 1 1 2 1 1 2 1 1 2 25CPG196 LX16 1 2 4 1 1 3 1 1 2 1 1 2 1 1 2 1 1 2 28CSG225 LX4 0 5 1 1 2 4 1 2 3 1 2 3 1 2 3 1 2 3 37CSG225 LX9 0 1 2 1 2 4 1 2 3 1 2 3 1 2 3 1 2 3 34CSG225 LX16 1 2 4 1 2 4 1 2 3 1 2 3 1 2 3 1 2 3 38CSG324 LX9 1 1 2 1 3 5 1 2 3 1 2 4 1 2 3 1 2 4 39CSG324 LX16 1 2 4 1 3 6 1 2 4 1 2 4 1 3 4 1 2 4 46CSG324 LX25 1 3 7 1 3 6 1 2 4 1 2 4 1 3 4 1 2 4 50CSG324 LX25T 1 3 7 1 2 5 1 1 1 1 2 4 1 3 4 1 2 4 44CSG324 LX45 2 6 12 1 3 6 1 2 3 1 2 4 1 3 4 1 2 4 58CSG324 LX45T 2 6 12 1 2 5 1 1 1 1 2 4 1 3 4 1 2 4 53FT(G)256 LX9 1 1 2 1 2 5 1 2 3 1 2 4 1 2 3 1 2 4 38FT(G)256 LX16 1 2 4 1 2 5 1 2 3 1 2 4 1 2 3 1 2 4 41FT(G)256 LX25 1 3 7 1 2 5 1 2 3 1 2 4 1 2 3 1 2 4 45CSG484 LX45 2 6 12 1 4 8 1 2 3 1 4 8 1 2 4 1 4 7 71CSG484 LX45T 2 6 12 1 4 7 1 2 3 1 4 7 1 2 4 1 4 7 69CSG484 LX75 3 10 20 1 4 8 1 2 4 1 4 8 1 2 4 1 4 8 86CSG484 LX75T 3 10 20 1 4 7 1 2 3 1 4 7 1 2 4 1 4 7 82CSG484 LX100 4 13 27 1 4 9 1 2 4 1 4 8 1 3 5 1 4 8 100CSG484 LX100T 4 13 27 1 4 7 1 2 3 1 4 7 1 2 4 1 4 7 93CSG484 LX150 7 20 40 1 4 9 1 2 4 1 4 8 1 3 5 1 4 8 123CSG484 LX150T 7 20 40 1 4 7 1 2 3 1 4 7 1 2 4 1 4 7 116FG(G)484 LX25 1 3 7 1 3 7 1 2 4 1 3 4 1 3 6 1 3 4 55FG(G)484 LX25T 1 3 7 1 3 6 1 2 3 1 3 4 1 3 6 1 3 4 53FG(G)484 LX45 2 6 12 1 4 8 1 2 3 1 3 6 1 4 7 1 4 6 72FG(G)484 LX45T 2 6 12 1 4 7 1 2 3 1 3 6 1 3 6 1 3 6 68