型号 / 厂家，封装，批号，备注，订购

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

SN54/74LS670 / On Semiconductor,Datasheet,06/07+,4 x 4 REGISTER FILE 订购 PDF文档

SN54/74LS684 / On Semiconductor,Datasheet,07+,8-BIT MAGNITUDE COMP 订购 PDF文档

SN54/74LS73A / On Semiconductor,Datasheet,07+,DUAL JK NEGATIVE EDG 订购 PDF文档