The STM32F730V8 from STMicroelectronics is a Space Qualified Microcontroller with Clock Rate 32 kHz to 26 MHz, Operating Frequency 216 MHz, Internal RAM Memory SRAM : 4 to 256 kB, Flash Memory 64 kB, Supply Voltage 1.7 to 3.6 V. Tags: Surface Mount. More details for STM32F730V8 can be seen below.