EPF10K20TI144-4IC FLEX 10K FPGA 20K 144-TQFP|ALTERA|Lead All|RoHS Mixed EPF10K20TI144-4N EPF10K20TI144-4NIC FLEX 10K FPGA 20K 144-TQFP|ALTERA|Lead free|RoHS Compliant EPF10K20TC144-4N