丝印MC68B54P MC68B54L MC68B54J MC68B52P MC68B50S

丝印MC68C681J MC68C50CP MC68B701S MC68B54PD MC68B54LD

贴插MC68HC05C08FN-DM54H72J/883B-AM29F016-90EC-B

贴插SN54F153J SN54LS20J M52300BSP MC68B50CP N

贴插54LS395J-54LS399J-MC68B54S-DG419BDQ-54HC50AJ-B