IC快速检索：
型号 / 厂家，封装，批号，备注，订购
MM74HC221A / Fairchild Semiconductor,Datasheet,07+,Dual Non-Retriggerab 订购 PDF文档
MM74HC221ACW / Fairchild Semiconductor,Datasheet,06/07+,Dual Non-Retriggerab 订购 PDF文档
MM74HC244AWM / FSC,SOP-20,06+,0755-83980010 订购 PDF文档
MM74HC244N_F091 / FSC,,07+,全新原装热卖 订购 PDF文档
MM74HC221AMTC / Fairchild Semiconductor,Datasheet,06/07+,Dual Non-Retriggerab 订购 PDF文档
MM74HC244N_NF40 / FSC,,07+,全新原装热卖 订购 PDF文档
MM74HC244SJX_NF042 / FSC,,07+,全新原装热卖 订购 PDF文档
MM74HC240CW / FSC,,07+,全新原装热卖 订购 PDF文档