The R7FA4M3AF3CFM from Renesas is a Space Qualified Microcontroller with Clock Rate 15 kHz to 24 MHz, Operating Frequency 100 MHz, Internal RAM Memory SRAM : 64 to 128 kB, Flash Memory Code : 1 MB, Data : 8 kB, Supply Voltage 2.7 to 3.6 V. Tags: Surface Mount. More details for R7FA4M3AF3CFM can be seen below.