The R7FA2E2A3xxNK from Renesas is a Space Qualified Microcontroller with Clock Rate 32.76 kHz to 64 MHz, Operating Frequency 48 MHz, Internal RAM Memory SRAM : 8 kB, Flash Memory Code : 16 kB, Data : 2 kB, Supply Voltage 1.6 to 5.5 V. Tags: Surface Mount. More details for R7FA2E2A3xxNK can be seen below.