The 3D2D4G72UB3652 from 3D Plus is a Space Qualified Memory with Storage Capacity 64 Mb, Bit Size 64 Mbit 72-Bit, 64 Mbit 16-Bit, Radiation Dose 80 krad (Si) (Read Mode), 25 krad (Si) (Write Mode), Voltage 1.7 to 1.9 V, Current 600 mA. More details for 3D2D4G72UB3652 can be seen below.