SN74LS145D
SN74LS145DB
SN74LS145DBE4
SN74LS145DBG4
SN74LS145DBR
SN74LS145DE4
SN74LS145DG4
SN74LS145DR
SN74LS145DRE4
SN74LS145DRG4
19129491934(手机优先微信同号)