The TC290 from Infineon Technologies is a Space Qualified Microcontroller with Clock Rate 4 to 40 MHz, Operating Frequency 300 MHz, Internal RAM Memory SRAM : 32 to 24 kB, Flash Memory Program : 8 Mb, Data : 768 kB, Supply Voltage 1.17 to 1.43 V. Tags: Die. More details for TC290 can be seen below.