MC-428LFC72 3.3 V Operation 4M-Word By 64-Bit Dynamic RAM Module(????????.3V?????AM???)
MC-428LFF721 3.3 V Operation 16M-Word By 72-Bit Dynamic RAM Module(????????.3V?????AM???)
MC-428LFG641 3.3 V Operation 8M-Word By 72-Bit Dynamic RAM Module(????????.3V??RAM???)
MC-428LFH641 3.3 V Operation 8M-Word By 72-Bit Dynamic RAM Module(????????.3V??RAM???)