74LVCH16540ADGGR
74LVCH16540ADGGRE4
74LVCH16540ADGGRG4
74LVCH16540ADGVR
74LVCH16540ADGVRE4
74LVCH16540ADGVRG4
74LVCH16540ADL
74LVCH16540ADLG4
74LVCH16540ADLR
74LVCH16540ADLRG4
19129491934(手机优先微信同号)