SN74LS161ADE4
SN74LS161ADG4
SN74LS161ADR
SN74LS161ADRE4
SN74LS161ADRG4
SN74LS161AJ
SN74LS161AN
SN74LS161ANE4
SN74LS161ANS
SN74LS161ANSE4
19129491934(手机优先微信同号)