The 3DMR64M08VS4476 from 3D Plus is a Space Qualified Memory with Storage Capacity 64 Mb, Read Access Time 35 ns, Write Access Time 35 ns, Bit Size (8M x 8 Bits), Radiation Dose 80 krad(Si) (Read Mode), 25 krad(Si) (Write Mode). Tags: Surface Mount. More details for 3DMR64M08VS4476 can be seen below.