型号 / 厂家，封装，批号，备注，订购

SN54LS685 / Texas Instruments,Datasheet,07+,8-BIT MAGNITUDE-IDEN 订购 PDF文档

SN54LS686 / Texas Instruments,Datasheet,06/07+,8-BIT MAGNITUDE/IDEN 订购 PDF文档

SN54LS686FK / Texas Instruments,Datasheet,07+,8-Bit Magnitude Comp 订购 PDF文档

SN54LS686JT / Texas Instruments,Datasheet,06/07+,8-Bit Magnitude Comp 订购 PDF文档

SN54LS688 / Texas Instruments,Datasheet,07+,8-BIT MAGNITUDE/IDEN 订购 PDF文档

SN54LS688FK / Texas Instruments,Datasheet,06/07+,8-BIT MAGNITUDE/IDEN 订购 PDF文档

SN54LS689FK / Texas Instruments,Datasheet,06/07+,8-Bit Identity Compa 订购 PDF文档

SN54LS68FK / ,Datasheet,06/07+,Dual Asynchronous De 订购 PDF文档

SN54LS69 / Texas Instruments,Datasheet,06/07+,DUAL 4 BIT DECADE OR 订购 PDF文档

SN54LS690FK / Texas Instruments,Datasheet,06/07+,BCD-Output Decade Up 订购 PDF文档