全新SN74HC245D SN74HC244N SN74HC244M SN74HC244J SN74HC244D

74HC244 MC74HC244J MM74HC244J SN74HC244J 进口20插脚CDIP陶封

MC74HC244J SN74HC244J进口现货，集成电路IC 批量供应

SN54HC244J MC54HC244J 74HC244进口现货，集成电路IC

CD54HC244F MC54HC244AJ SN54HC244J 进口20插脚DIP陶封 74HC244

贴插SN74F244J-CS5324-BL-AD7722BSZ-74HC299WM