型号 / 厂家，封装，批号，备注，订购

SN54/74LS42 / On Semiconductor,Datasheet,07+,ONE-OF-TEN DECODER 订购 PDF文档

SN54/74LS48 / On Semiconductor,Datasheet,07+,BCD TO 7-SEGMENT DEC 订购 PDF文档

SN54/74LS54 / On Semiconductor,Datasheet,06/07+,3-2-2-3-INPUT AND-OR 订购 PDF文档

SN54/74LS540 / On Semiconductor,Datasheet,06/07+,OCTAL BUFFER/LINE DR 订购 PDF文档

SN54/74LS541 / On Semiconductor,Datasheet,06/07+,OCTAL BUFFER/LINE DR 订购 PDF文档

SN54/74LS569A / On Semiconductor,Datasheet,06/07+,FOUR-BIT UP/DOWN COU 订购 PDF文档

SN54/74LS623 / On Semiconductor,Datasheet,06/07+,OCTAL BUS TRANSCEIVE 订购 PDF文档

SN54/74LS640 / On Semiconductor,Datasheet,06/07+,OCTAL BUS TRANSCEIVE 订购 PDF文档

SN54/74LS642 / On Semiconductor,Datasheet,06/07+,OCTAL BUS TRANSCEIVE 订购 PDF文档

SN54/74LS645 / On Semiconductor,Datasheet,06/07+,OCTAL BUS TRANSCEIVE 订购 PDF文档