型号 / 厂家，封装，批号，备注，订购

74AC191PCX / Fairchild Semiconductor,Datasheet,07+,IC SINGLE 4B 订购 PDF文档

74AC191SC_NL / FSC,,07+,全新原装热卖 订购 PDF文档

74AC191SCQR / National Semiconductor,Datasheet,07+,Up/Down with 订购 PDF文档

74AC191SC-R / ,,最新批号,原装现货 订购 PDF文档

74AC191-R / ,,最新批号,原装现货 订购 PDF文档

74AC191SCX_NL / Fairchild Semiconductor,Datasheet,07+,Up/Down with 订购 PDF文档

74AC191SCX_Q / FSC,,07+,全新原装热卖 订购 PDF文档

74AC192FC / Various,Datasheet,07+,BCD-Output Decade Up 订购 PDF文档

74AC191-SJX / ,,最新批号,原装现货 订购 PDF文档

74AC193DC / Various,Datasheet,07+,4-Bit Binary Up-Down 订购 PDF文档