SN74HC595DR
SN74HC595DRE4
SN74HC595DRG3
SN74HC595DRG4
SN74HC595DT
SN74HC595DTE4
SN74HC595DTG4
SN74HC595DW
SN74HC595DWE4
SN74HC595DWG4
19129491934(手机优先微信同号)
0755-83259964