型号 / 厂家，封装，批号，备注，订购

SN74LS193DRE4 / Texas Instruments,Datasheet,07+,SYNCHRONOUS 4-Bit UP 订购 PDF文档

SN74LS193J / Motorola,,08/09+,全新原装 订购 PDF文档

SN74LS193N (PB FREE) / TI,,08/09+,原装现货，特价热卖 订购 PDF文档

SN74LS193N (PB FREE) / TI,16PIN,08/09+,全新库存特价 订购 PDF文档

SN74LS193NE4 / Texas Instruments,Datasheet,06/07+,SYNCHRONOUS 4-Bit UP 订购 PDF文档

SN74LS193NSR / TI,,08/09+,原装现货010-62565447/62566447 订购 PDF文档

SN74LS193NSRE4 / Texas Instruments,Datasheet,06/07+,SYNCHRONOUS 4-Bit UP 订购 PDF文档

SN74LS194 / FAI,DIP16,08/09+,现货热买 订购 PDF文档

SN74LS194AD / MOTOROLA,,08/09+,全新原装深圳库存 订购 PDF文档

SN74LS194ADRE4 / Texas Instruments,Datasheet,07+,Bidirectional univer 订购 PDF文档