SN74HCT157DR
SN74HCT157DRE4
SN74HCT157DRG4
SN74HCT157DRSOP16
SN74HCT157DT
SN74HCT157DTE4
SN74HCT157DTG4
SN74HCT157N
SN74HCT157NE4
SN74HCT164N
19129911934(手机优先微信同号)
19129491934(手机优先微信同号)