型号 / 厂家，封装，批号，备注，订购

SN74LS280ML2 / On Semiconductor,Datasheet,06/07+,9-Bit Odd/Even Parit 订购 PDF文档

SN74LS283ML2 / On Semiconductor,Datasheet,07+,4-Bit Binary Full Ad 订购 PDF文档

SN74LS283MEL / On Semiconductor,Datasheet,07+,4-Bit Binary Full Ad 订购 PDF文档

SN74LS283N/MOTOROLA / ,,最新批号,原装现货 订购 PDF文档

SN74LS289AJ / Texas Instruments,Datasheet,06/07+,General-Purpose Stat 订购 PDF文档

SN74LS28FN / Texas Instruments,Datasheet,07+,NOR-Function Buffer 订购 PDF文档

SN74LS28N3 / ,Datasheet,06/07+,Quad 2-Input NOR Pow 订购 PDF文档

SN74LS290-D / On Semiconductor,Datasheet,06/07+,DECADE 4-BIT 订购 PDF文档

SN74LS283NA / ,,最新批号,原装现货 订购 PDF文档

SN74LS289J / Various,Datasheet,06/07+,General-Purpose Stat 订购 PDF文档