IC快速检索：
型号 / 厂家，封装，批号，备注，订购
SN75C189DR / TEXAS INSTRUMENTS,,,原装现货 订购 PDF文档
SN75C189N / TI,,04+,全新原装，深圳香港现货 订购 PDF文档
SN75C189NE4 / Texas Instruments,Datasheet,07+,Quadruple Low-Power 订购 PDF文档
SN75C189NS / T.I,SOP,05+,绝对全新原装货,部分现货 订购 PDF文档
SN75C189NSR / TI,,,010-66001623/66001621 订购 PDF文档
SN75C198D / TEXAS INSTRUMENTS,,,原装现货 订购 PDF文档
SN75C198DRE4 / Texas Instruments,Datasheet,07+,Quadruple Low-Power 订购 PDF文档
SN75C23243 / TI,DIP/SOP,05+,原装010-62106431 订购 PDF文档