Part Number,XC3S50A,XC3S50AN,XC3S200A,XC3S200AN,XC3S400A,XC3S400AN,XC3S700A,XC3S700AN,XC3S1400A,XC3S1400AN,XC3SD1800A,XC3SD3400A System Gates,50K,,200K,,400K,,700K,,1400K,,1800K,3400K Logic Cells,1584,,4032,,8064,,13248,,25344,,37440,53712 CLBs,176,,448,,896,,1472,,2816,,4160,5968 Slices,704,,1792,,3584,,5888,,11264,,16640,23872 Distributed RAM Bits,11K,,28K,,56K,,92K,,176K,,260K,373K Block RAM Bits,54K,,288K,,360K,,360K,,576K,,1512K,2268K In-System Flash Bits,1M,,4M,,4M,,8M,,16M,,n/a,n/a Dedicated Multipliers,3,,16,,20,,20,,32,,n/a,n/a DSP48As,n/a,,n/a,,n/a,,n/a,,n/a,,84,126 DCMs,2,,4,,4,,8,,8,,8,8 Maximum User I/O,144,,248,,311,,372,,502,,519,469 ###,Available I/O Pins,,,,,,,,,,, VQ100,68,68,68,68, , , , , , , , VQG100,68,68,68,68, , , , , , , , TQ144,108,108, , , , , , , , , , TQG144,108,108, , , , , , , , , , FT256,144,144,195,195,195,195,161,161,161,161, , FTG256,144,144,195,195,195,195,161,161,161,161, , FG320, ,,248,248,251,251, , , , , , FGG320, ,,248,248,251,251, , , , , , FG400, ,, ,,311,311,311,311, , , , FGG400, ,, ,,311,311,311,311, , , , CS484, ,, ,, ,, , , , ,309,309 CSG484, ,, ,, ,, , , , ,309,309 FG484, ,, ,, ,,372,372,375,375, , FGG484, ,, ,, ,,372,372,375,375, , FG676, ,, ,, ,, ,,502,502,519,469 FGG676, ,, ,, ,, ,,502,502,519,469