型号 / 厂家，封装，批号，备注，订购

SN74LS221ML1 / On Semiconductor,Datasheet,06/07+,Dual Monostable Mult 订购 PDF文档

SN74LS228J / Texas Instruments,Datasheet,06/07+,FIFO-LIFO Register - 订购 PDF文档

SN74LS240-D / On Semiconductor,Datasheet,06/07+,Octal Buffer-Line Dr 订购 PDF文档

SN74LS22FN / Texas Instruments,Datasheet,07+,4-Input NAND-Functio 订购 PDF文档

SN74LS240H / On Semiconductor,Datasheet,06/07+,Octal Buffer/Line Dr 订购 PDF文档

SN74LS240ML2 / On Semiconductor,Datasheet,06/07+,Octal Buffer/Line Dr 订购 PDF文档

SN74LS240N (PB FREE) / ,,,原装现货 订购 PDF文档

SN-74LS22N / ,,最新批号,原装现货 订购 PDF文档

SN74LS240MR2 / On Semiconductor,Datasheet,06/07+,Octal Buffer/Line Dr 订购 PDF文档

SN74LS241FN / Texas Instruments,Datasheet,06/07+,Non-Inverting-Functi 订购 PDF文档