The CYRS1545AV18-250GCMB from Infineon Technologies is a Space Qualified Memory with Storage Capacity 72 Mb, Radiation Dose 300 krad, Voltage 1.7 to 1.9 V, Current 1275 mA, Operating Temperature -55 to 125 Degree C. More details for CYRS1545AV18-250GCMB can be seen below.