型号 / 厂家，封装，批号，备注，订购

SN75C189D / TEXAS INSTRUMENTS,,,原装现货 订购 PDF文档

SN75C189D? / ,,,原装现货 订购 PDF文档

SN75C189DBR / ,,,原装现货 订购 PDF文档

SN75C189DE4 / Texas Instruments,Datasheet,06/07+,Quadruple Low-Power 订购 PDF文档

SN75C189DRE4 / Texas Instruments,Datasheet,06/07+,Quadruple Low-Power 订购 PDF文档

SN75C189N DIL / ,,,原装现货 订购 PDF文档

SN75C189NSE4 / ,,,原装现货 订购 PDF文档

SN75C189NSRE4 / Texas Instruments,Datasheet,06/07+,Quadruple Low-Power 订购 PDF文档

SN75C198 / TI,,,010-62106431 订购 PDF文档

SN75C198DE4 / Texas Instruments,Datasheet,06/07+,Quadruple Low-Power 订购 PDF文档