The 28C010T (SMD# 5962-38267) from Data Device Corporation is a Space Qualified Memory with Storage Capacity 1 Mb, Read Access Time 120, 150, 200 ns, Write Access Time 10 ms, Radiation Dose 10 krad, 25 krad, 40 krad, 60 krad, Mass 7.4 gms, 2.7 gms, 10.9 gms. More details for 28C010T (SMD# 5962-38267) can be seen below.