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型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)
HD74LS247G / Hitachi Semiconductor,Datasheet,06/07+,7-Segment Display Dr 訂購(gòu) PDF文檔
HD74LS248RP / Hitachi Semiconductor,Datasheet,06/07+,Decoder/Demultiplexe 訂購(gòu) PDF文檔
HD74LS249RP / Hitachi Semiconductor,Datasheet,07+,Decoder/Demultiplexe 訂購(gòu) PDF文檔
HD74LS258FP / Renesas Technology,Datasheet,07+,Quad. 2-to-1 line Da 訂購(gòu) PDF文檔
HD74LS266 / Renesas Technology,Datasheet,06/07+,Quadruple 2-input Ex 訂購(gòu) PDF文檔
HD74LS273G / Hitachi Semiconductor,Datasheet,06/07+,Octal D-Type Flip-Fl 訂購(gòu) PDF文檔
HD74LS27G / Hitachi Semiconductor,Datasheet,06/07+,3-Input NOR-Function 訂購(gòu) PDF文檔
HD74LS290G / Hitachi Semiconductor,Datasheet,07+,BCD-Output Decade Up 訂購(gòu) PDF文檔
HD74LS295B / Hitachi Semiconductor,Datasheet,07+,4-Bit Shift Register 訂購(gòu) PDF文檔