Xilinx FPGA Comparison

XC5200 XC4000E XC4000X SPARTAN

Function Generators/CLB 4 3 3 3

Flip-flops/CLB 4 2 2 2

Global Nets 4 8 20 8

Extended Routing No No Yes No

Global Three-State Control Yes Yes Yes Yes

Wide Decode Capability Cascade Dedicated Yes No

Carry Logic Yes Yes Yes Yes

On-Chip Memory No Yes Yes Yes

Wired-AND Function No Yes Yes No

Internal Three-State Buffers Yes Yes Yes Yes

Output Slew Rate Control Yes Yes Yes Yes

Boundary Scan Logic Yes Yes Yes Yes

Output Drive (Sink) 8 mA 12 mA 12 mA 12 mA

Power-Down Option No No No No

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