EP1K50TI144-2IC ACEX 1K FPGA 50K 144-TQFP|ALTERA|Lead All|RoHS Mixed EP1K50TI144-2N EP1K50TI144-2NIC ACEX 1K FPGA 50K 144-TQFP|ALTERA|Lead free|RoHS Compliant EP1K50TC144-2N