The SAMRH71 from Microchip Technology is a Space Qualified Microcontroller with Clock Rate 3 to 20 MHz, Operating Frequency 100 MHz, Internal RAM Memory SRAM : 384 to 768 kB, Flash Memory 128 kB, Supply Voltage 3 to 3.6 V. Tags: Surface Mount. More details for SAMRH71 can be seen below.