The HXNV01600 from Honeywell Aerospace is a Space Qualified Memory with Storage Capacity 16 Mb, Read Access Time 95 ns, Write Access Time 140 ns, Radiation Dose 1x106 rad (Si), 3x105 rad (Si), Voltage 2.5 to 3.3 V. More details for HXNV01600 can be seen below.