The RT4G150 - FCG/FC1657 from Microchip Technology is a FPGA with RAM Storage 5.2 KB, Flash Memory Storage 381 KB, Radiation Tolerance 50 Krad, Supply Voltage 1.14 to 1.26 V, Operating Temperature -55 to 125 Degree C. More details for RT4G150 - FCG/FC1657 can be seen below.