74380 ttl多功能八进制寄存器

AbsoluteumIfMilitary/Aerospacespecifieddevicesare pleasecontacttheNationalSemiconductorSales StorageTemperature b65§toa§Office/Distributorsforavailabilityandspecifications. Operating55V000*CaseElectricalCharacteristicsOverOperatingTestV2VVCC b18VLVCC VIHVCC VIVCC VI1VCCVILVIH IOL12V IOL24VCCVILVIH IOHb2V IOHb3.2VCCMAXVIL0.8VVIHVOVOVCC VOVCC*Nomorethanoneoutputshouldbeshortedatatimeanddurationoftheshort-circuitshouldnotexceedone²AlltypicalvaluesareatVCC5V.TASwitchingCharacteristicsOverOperatingTestConditions(SeeTestCL50R1R2Clockto23DM54LS380/74LS380DM54LS380/74LS380MultifunctionOctal1111WestBardinFax:(a49)0-180-5308513thFloor,Straight:Arlington,TX:OceanCentre,5CantonFax::1(800)272- :(a49)0-180-53085Fax:1(800)737-:(852)2737-Fax:(852)2736-PhysicalhesOrderNumberDM54LS380JorDM74LS380JNSPackageNumberJ24FOrderNumberDM74LS380NNSPackageNumberN24CLIFENATIONAL’SPRODUCTSARENOTAUTHORIZEDFORUSEASCRITICALCOMPONENTSINLIFESUPPORTDEVICESORSYSTEMSWITHOUTTHEEXPRESSWRITTENAPPROVALOFTHE OFNATIONALSEMICONDUCTORCORPORATION.Asusedherein:1.Lifesupportdevicesorsystemsaredevicesor2.Acriticalcomponentisanycomponentofalifesystemswhich,(a)areintendedforsurgicalimntsupportdeviceorsystemwhosefailuretoperformcanintothebody,or(b)supportorsustainlife,andwhosebereasonablyPhysicalhesOrderNumberDM54LS380JorDM74LS380JNSPackageNumberJ24FOrderNumberDM74LS380NNSPackageNumberN24CLIFENATIONAL’SPRODUCTSARENOTAUTHORIZEDFORUSEASCRITICALCOMPONENTSINLIFESUPPORTDEVICESORSYSTEMSWITHOUTTHEEXPRESSWRITTENAPPROVALOFTHE OFNATIONALSEMICONDUCTORCORPORATION.Asusedherein:1.Lifesupportdevicesorsystemsaredevicesor2.Acriticalcomponentisanycomponentofalifesystemswhich,(a)areintendedforsurgicalimntsupportdeviceorsystemwhosefailuretoperformcanintothebody,or(b)supportorsustainlife,andwhosebereasonablyexpectedtocausethefailureofthelifefailuretoperform,whenproperlyusedinaccordancesupportdeviceorsystem,ortoaffectitssafetyorwithinstructionsforuseprovidedinthelabeling,caneffectiveness.bereasonablyexpectedtoresultinasignificantinjurytotheuser.19897DM54LS380/74LS380‘LS3808寄存器（Q7–Q0），OEOEHI–Z（LD、POL、CLR、PR）提供四个之一，将吸收许多总线接口标准操作所需的24mA电流，这些操作在标准的上升沿同步发生。时钟（CK）。LS380将LS374、LS377、LS273和LS534的功能组合到一个3亿宽的功能/优点包中。用于通用接口的Y八进制寄存器当POL为时，LOAD操作将输入(D7–D0)加载到输出应用放置寄存器(Q7–Q0)中，或者加载com-YPOL，8CLEARYPRESETY24SKINNYDIP操作将输出寄存器预设为所有。YTRI-STATEé输出保持操作保持先前的值，无论Y低电PNPCLEARPRESET，PRESETLOAD，LOADTL/L/8339功能表OCCLKCLRPRLDPOLD7–D0Q7–Q0操作HXXXXXXZHI–ZLuLXXXXLCLEARLuHLXXXHPRESETLuHHHXXQHOLDLuHHLHDDLOADtrueLuHHLDDLOADcompTRI-STATEéNationalSemiconductor美国国家半导体销售办事处/分销商以了解可用性和规格。电源电压VCC7V输入电压5.5V断态输出电压存储温度5.5Vb65§至a150§C工作条件符号参数军事商业单位MinTypMaxMinTypMaxVCC4.555.54.7555.25VTAb55125*075§Ctw4040ns35tSU6050ns0b150外壳温度工作条件下的电气特性符号参数测试条件最小值Typ2最大值单位VIL低电平输入电压0.8VVIH输入电压2VVIC输入钳位电压VCCeMINeb18mAb1.5VL低电平输入电流VCCeMAXVIe0.4Vb0.25mAH输入电流VCCeMAXVIe2.4V25mA最大VCCeMAXVIe5.5V1mAVOLVCCeMINVILe0.8VVIHe2VMILIOLe120.5VCOMIOLe24mAVOH输出电压VCCeMINVILe0.8VVIHe2VMILIOHeb2mA2.4VCOMIOHeb3.2mAIOZLVCCeMAXVILe0.8VVIHe2VVOe0.4Vb100mAIOZHVOe2.4VmAIOS*VCCe5.0VVOe0Vb30b130mAICCVCCeMAX120180mA2VCCe5VTAe25§C（参见测试负载）MinTypMaxMinTypMaxfMAX10.512.5MHztPDQCLe50pF20352030nstPZXR1e200X35553545nstPXZR2e390X355535453DM54LS380/74LS380（毫米24N)DM74LS380NNSN24C生命支持政策国1.2.(a)1111WestBardinRoad传真：(a49)0-180-530858613楼，Straight 299-TX76017电