The 3DSD2G64VB4488 from 3D Plus is a Space Qualified Memory with Storage Capacity 32 Mb, Bit Size 32 Mbit 64-Bit, 32 Mbit 16-Bit, Radiation Dose 80 krad (Si) (Read Mode), 25 krad (Si) (Write Mode), Mass 7.70 gms, Voltage 3 to 3.6 V. More details for 3DSD2G64VB4488 can be seen below.