All ProductsRamtronHarddrives - Memory Cards/modules Memory Cards, Modules RAMTRON Harddrives - Memory Cards/modules Memory Cards, ModulesMemory Modules FM25640-S SOP, SOP8,.25 MFR. Name: Ramtron FM25CL04-S MFR. Name: Ramtron FM25W256-S SOP, SOP8,.25 MFR. Name: Ramtron