型号 / 厂家，封装，批号，备注，订购

SN54-74LS192 / On Semiconductor,Datasheet,07+,PRESETTABLE BCD/DECA 订购 PDF文档

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

SN5474DMQB / TI,CDIP14,06+,全新原装进口 订购 PDF文档

SN54-74LS669 / On Semiconductor,Datasheet,07+,SYNCHRONOUS 4-BIT UP 订购 PDF文档

SN54-74LS02 / On Semiconductor,Datasheet,07+,QUAD 2-INPUT NOR GAT 订购 PDF文档

SN54-74LS10 / On Semiconductor,Datasheet,06/07+,Triple 3-Input NAND 订购 PDF文档

SN54-74LS155 / On Semiconductor,Datasheet,06/07+,DUAL 1-OF-4 DECODER/ 订购 PDF文档

SN54-74LS160A / On Semiconductor,Datasheet,06/07+,BCD DECADE S/ 订购 PDF文档

SN54-74LS168 / On Semiconductor,Datasheet,06/07+,BCD DECADE/MODULO 16 订购 PDF文档

SN54-74LS290 / On Semiconductor,Datasheet,07+,DECADE .. 4-BIT 订购 PDF文档