型號(hào) / 廠家，封裝，批號(hào)，備注，訂購

QS74FCT2158TS1 / Quality Semiconductor,Datasheet,06/07+,2-Line Digital Multi 訂購 PDF文檔

QS74FCT2161ATZ / Quality Semiconductor,Datasheet,07+,4-Bit Binary Up Coun 訂購 PDF文檔

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