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DM74LS390N	文件：58.14 Kbytes Page：6 Pages	Dual4-BitDecadeCounter GeneralDescription Eachofthesemonolithiccircuitscontainseightmaster-slaveflip-flopsandadditionalgatingtoimplementtwoindividualfour-bitcountersinasinglepackage.TheDM74LS390incorporatesdualdivide-by-twoanddivideby-fivecounters,whichcanbeusedtoimplementcycleleng	FairchildFairchild Semiconductor 仙童半导体飞兆/仙童半导体公司	Fairchild
HD74LS390	文件：172.32 Kbytes Page：6 Pages	DualDecadeCounters DualDecadeCounters Thiscircuitcontainseightmaster-slaveflip-flopsandadditionalgatingtoimplementtwoindividualfour-bitcounters.TheHD74LS390incorporatesdualdivide-by-twoanddivide-by-fivecounters,whichcanbeusedtoimplementcyclelengthsequaltoanywholeand/orcum	RENESASRenesas Technology Corp 瑞萨瑞萨科技有限公司	RENESAS
HD74LS390	文件：6.85482 Mbytes Page：273 Pages	Ouadruple2-inputPositiveNANDGates	HitachiHitachi Semiconductor 日立日立公司	Hitachi
HD74LS390	文件：69.62 Kbytes Page：6 Pages	DualDecadeCounters ●Quadrupie2-InputPositiveNANDGates ●Quadruple2-InputPositiveNANDGates(withOpenCollectorOutput) (Continue....)	HitachiHitachi Semiconductor 日立日立公司	Hitachi
HD74LS390FPEL	文件：172.32 Kbytes Page：6 Pages	DualDecadeCounters DualDecadeCounters Thiscircuitcontainseightmaster-slaveflip-flopsandadditionalgatingtoimplementtwoindividualfour-bitcounters.TheHD74LS390incorporatesdualdivide-by-twoanddivide-by-fivecounters,whichcanbeusedtoimplementcyclelengthsequaltoanywholeand/orcum	RENESASRenesas Technology Corp 瑞萨瑞萨科技有限公司	RENESAS
HD74LS390P	文件：172.32 Kbytes Page：6 Pages	DualDecadeCounters DualDecadeCounters Thiscircuitcontainseightmaster-slaveflip-flopsandadditionalgatingtoimplementtwoindividualfour-bitcounters.TheHD74LS390incorporatesdualdivide-by-twoanddivide-by-fivecounters,whichcanbeusedtoimplementcyclelengthsequaltoanywholeand/orcum	RENESASRenesas Technology Corp 瑞萨瑞萨科技有限公司	RENESAS
SN74LS390	文件：1.2035 Mbytes Page：28 Pages	DUAL4-BITDECADEANDBINARYCOUNTERS	TI1Texas Instruments 德州仪器美国德州仪器公司	TI1
SN74LS390	文件：1.15295 Mbytes Page：31 Pages	DUAL4-BITDECADEANDBINARYCOUNTERS	TITexas Instruments 德州仪器美国德州仪器公司	TI
SN74LS390	文件：193.56 Kbytes Page：7 Pages	DUALDECADECOUNTER;DUAL4-STAGEBINARYCOUNTER DUALDECADECOUNTER; DUAL4-STAGEBINARYCOUNTER TheSN54/74LS390andSN54/74LS393eachcontainapairofhigh-speed4-stageripplecounters.EachhalfoftheLS390ispartitionedintoadivide-by-twosectionandadivide-byfivesection,withaseparateclockinputforeachsection.Thetwosec	MotorolaMotorola, Inc 摩托罗拉加尔文制造公司	Motorola
SN74LS390	文件：893.29 Kbytes Page：21 Pages	DUAL4-BITDECADEANDBINARYCOUNTERS	TITexas Instruments 德州仪器美国德州仪器公司	TI

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