型号 / 厂家，封装，批号，备注，订购

SN54/74LS174 / On Semiconductor,Datasheet,07+,HEX D FLIP-FLOP 订购 PDF文档

SN54/74LS175 / On Semiconductor,Datasheet,06/07+,QUAD D FLIP-FLOP 订购 PDF文档

SN54/74LS194A / On Semiconductor,Datasheet,06/07+,4-BIT BIDIRECTIONAL 订购 PDF文档

SN54/74LS197 / On Semiconductor,Datasheet,06/07+,4-STAGE PRESETTABLE 订购 PDF文档

SN54/74LS21 / On Semiconductor,Datasheet,06/07+,DUAL 4-INPUT AND GAT 订购 PDF文档

SN54/74LS22 / On Semiconductor,Datasheet,07+,DUAL 4-INPUT NAND GA 订购 PDF文档

SN54/74LS221 / On Semiconductor,Datasheet,06/07+,DUAL MONOSTABLE MULT 订购 PDF文档

SN54/74LS240 / On Semiconductor,Datasheet,06/07+,OCTAL BUFFER/LINE DR 订购 PDF文档

SN54/74LS241 / On Semiconductor,Datasheet,07+,OCTAL BUFFER/LINE DR 订购 PDF文档

SN54/74LS242 / On Semiconductor,Datasheet,07+,QUAD BUS TRANSCEIVER 订购 PDF文档