SN74HC4538N
SN74HC4851
SN74HC4851D
SN74HC4851DE4
SN74HC4851DG4
SN74HC4851DGVR
SN74HC4851DGVRE4
SN74HC4851DGVRG4
SN74HC4851DR
SN74HC4851DRE4
19129911934(手机优先微信同号)