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型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)
SN74LS221FN / TI,,08/09+,特價(jià) 訂購(gòu) PDF文檔
SN74LS221N / ,DIP,08/09+,全新原裝深圳庫(kù)存 訂購(gòu) PDF文檔
SN74LS221N-1 / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔
SN74LS221NA16 / 原廠家,PDIP,N/A,上海實(shí)貨庫(kù)存!歡迎查詢! 訂購(gòu) PDF文檔
SN74LS221NE4 / Texas Instruments,Datasheet,06/07+,DUAL MONOSTABLE MULT 訂購(gòu) PDF文檔
SN74LS221N-MOT / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔
SN74LS221NS-20 / TI,,08/09+,特價(jià) 訂購(gòu) PDF文檔
SN74LS221NSRE4 / Texas Instruments,Datasheet,07+,DUAL MONOSTABLE MULT 訂購(gòu) PDF文檔