The PSoC™ 4100S Plus from Infineon Technologies is a Space Qualified Microcontroller with Clock Rate 4 to 33 MHz, Operating Frequency 48 MHz, Internal RAM Memory SRAM : 16 kB, Flash Memory 128 kB, Supply Voltage 1.71 to 5.5 V. Tags: Surface Mount. More details for PSoC™ 4100S Plus can be seen below.