SN74LS605N
SN74LS607N
SN74LS612N
SN74LS623DW
SN74LS623DWE4
SN74LS623DWG4
SN74LS623DWR
SN74LS623DWRE4
SN74LS623DWRG4
SN74LS623N
19129491934(手机优先微信同号)