型号 / 厂家，封装，批号，备注，订购

SL74LS157D / System Logic Semiconductor,Datasheet,07+,Quad 2-Input Data Se 订购 PDF文档

SL74LS157N / System Logic Semiconductor,Datasheet,06/07+,Quad 2-Input Data Se 订购 PDF文档

SL74LS161 / System Logic Semiconductor,Datasheet,07+,Synchronous 4 Bit Co 订购 PDF文档

SL74LS161N / System Logic Semiconductor,Datasheet,06/07+,Synchronous 4 Bit Co 订购 PDF文档

SL74LS170F / Lansdale Semiconductor,Datasheet,06/07+,Register File (Stati 订购 PDF文档

SL74LS1801J / Lansdale Semiconductor,Datasheet,06/07+,Special Encoder-Deco 订购 PDF文档

SL74LS181K / Lansdale Semiconductor,Datasheet,07+,4-Bit Arithmetic Log 订购 PDF文档

SL74LS244 / System Logic Semiconductor,Datasheet,06/07+,Octal 3-State Noninv 订购 PDF文档

SL74LS244N / System Logic Semiconductor,Datasheet,06/07+,Octal 3-State Noninv 订购 PDF文档

SL74LS245N / System Logic Semiconductor,Datasheet,06/07+,Octal 3-State Noninv 订购 PDF文档