Found 3 alternatives for XC2S30-6CS144C by Xilinx Inc.. Embedded Fpgas Field Programmable Gate Array — 144-TFBGA, CSPBGA.
IC FPGA 86 I/O 144CSBGA
IC FPGA 113 I/O 144CSBGA
IC FPGA 94 I/O 144LCSBGA