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74LS05芯片.pdf54LS05DM54LS05DM74LS05HexInverterswithOpen-CollectorOutputsJune198954LS05DM54LS05DM74LS05HexInverterswithOpen-CollectorOutputsGeneralDescriptionPull-UpResistorEquationsThisdevicecontainssixindependentgateseachofwhichVCC(Min)bVOHperformsthelogicINVERTfunctionTheopen-collectorout-RMAXe……