型号 / 厂家，封装，批号，备注，订购

SN74LS197FN / Texas Instruments,Datasheet,06/07+,4-Bit Binary Up Coun 订购 PDF文档

SN74LS197NDS / ,,最新批号,原装现货 订购 PDF文档

SN74LS197W / Various,Datasheet,06/07+,4-Bit Binary Up Coun 订购 PDF文档

SN74LS19AJ / Texas Instruments,Datasheet,07+,SCHMITT-TRIGGER POSI 订购 PDF文档

SN74LS19FN / Texas Instruments,Datasheet,06/07+,Inverting-Function S 订购 PDF文档

SN74LS19J / Texas Instruments,Datasheet,06/07+,Inverting-Function S 订购 PDF文档

SN74LS219J / Texas Instruments,Datasheet,07+,General-Purpose Stat 订购 PDF文档

SN74LS221-D / On Semiconductor,Datasheet,07+,Dual Monostable Mult 订购 PDF文档

SN74LS221MEL / On Semiconductor,Datasheet,07+,Dual Monostable Mult 订购 PDF文档

SN74LS200AJ / Texas Instruments,Datasheet,06/07+,General-Purpose Stat 订购 PDF文档