MC74HC4538JD
MC74HC4538N
MC74HC4851AD
MC74HC4851ADG
MC74HC4851ADR2
MC74HC4851ADR2G
MC74HC4851ADTR2
MC74HC4851ADTR2G
MC74HC4851ADWR2
MC74HC4851ADWR2G
19129911934(手机优先微信同号)
19129491934(手机优先微信同号)