The STM32L552VE/ STM32L552VExxQ, STM32L552VCxxQ from STMicroelectronics is a Space Qualified Microcontroller with Clock Rate 32 kHz to 48 MHz, Operating Frequency 110 MHz, Internal RAM Memory SRAM : 128 kB, Flash Memory 256 to 512 kB, Supply Voltage 1.71 to 3.6 V. Tags: Surface Mount. More details for STM32L552VE/ STM32L552VExxQ, STM32L552VCxxQ can be seen below.