The R7FA2A1AB3CFM from Renesas is a Space Qualified Microcontroller with Clock Rate 32.76 kHz to 20 MHz, Operating Frequency 48 MHz, Internal RAM Memory SRAM : 32 kB, Flash Memory Code : 256 kB, Data : 8 kB, Supply Voltage 1.6 to 5.5 V. Tags: Surface Mount. More details for R7FA2A1AB3CFM can be seen below.