SN74FB1650PCA
SN74FB1650PCAG4
SN74FB1651PCA
SN74FB1651PCAG4
SN74FB1653PCA
SN74FB1653PCAG4
SN74FB2031RC
SN74FB2031RCG3
SN74FB2031RCR
SN74FB2031RCRG3
19129491934(手机优先微信同号)