型号 / 厂家，封装，批号，备注，订购

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

SN54/74LS247 / On Semiconductor,Datasheet,06/07+,BCD-TO-SEVEN-SEGMENT 订购 PDF文档

SN54/74LS251 / On Semiconductor,Datasheet,06/07+,8-INPUT MULTIPLEXER 订购 PDF文档

SN54/74LS256 / On Semiconductor,Datasheet,06/07+,DUAL 4-BIT ADDRESSAB 订购 PDF文档

SN54/74LS258B / On Semiconductor,Datasheet,06/07+,QUAD 2-INPUT MULTIPL 订购 PDF文档