The 3DSR16M16CS4512 from 3D Plus is a Space Qualified Memory with Storage Capacity 16 Mb, Read Access Time 12 ns, Bit Size 16 Mbit, Radiation Dose 80 krad (Si) (Read Mode), 25 krad (Si) (Write Mode), Mass 4.5 gms. More details for 3DSR16M16CS4512 can be seen below.