贴插MC74F112N/MC74AC02N/MC68901LC/MC68B54CS/MC74F244N/4

贴插MC74F174N/MC74AC04N/MC68185FN/MC68B54CS/MC74HC86N/4

丝印MC68E000FN10-MC68B701CS-1-MC68B54P1N6R-MC68B09PC65P

丝印MC68B54CS MC68B54CP MC68B50PD MC68B50FN MC68B50DW

原装MC68B40CS MC68B488P MC68B50CP MC68B54PD MC68B701S原装