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MBM27C512-25 - C-MOS 512K-BIT EPROM
MBM27C512-20-x - CMOS 512K-Bit UV EPROM
MBM27C512 - CMOS 512K-Bit UV EPROM
MBM27C512-17 - CMOS UV EROM
MBM27C512-15 - CMOS UV EROM