MAX3111EEWI+G36中文资料

Forfreesamples&thelatestliterature:(UART)with±15kVESD-protectedRS-232transceiversandinte-gratedcharge-pumpcapacitorsintoasingle28-pinpackageforuseinspace-,cost-,andpower-con-strainedapplications.TheMAX3110E/MAX3111EalsofeatureanSPI™/QSPI™/MICROWIRE™-compatibleserialinterfacetosaveadditionalboardspaceandmicrocontroller(µC)I/Opins.Aproprietarylow-dropoutoutputstageenablesthe2-driver/2-receiverinterfacetodelivertrueRS-232per-formancedowntoVCC=+3V(+4.5VforMAX3110E)whileconsumingonly600µA.Thereceiversremainactiveinahardware/software-invokedshutdown,allow-ingexternaldevicestobemonitoredwhileconsumingonly10µA.Eachdeviceisguaranteedtooperateatupto230kbpswhilemaintainingtrueEIA/TIA-232outputvoltagelevels.TheMAX3110E/MAX3111E’sUARTincludesacrystaloscillatorandbaud-rategeneratorwithsoftware-pro-grammabledividerratiosforallcommonbaudratesfrom300baudto230kbaud.TheUARTfeaturesan8-word-deepreceiveFIFOthatminimizesprocessorover-headandprovidesaflexibleinterruptwithfourmaskablesources.Twocontrollines(oneinputandoneoutput)areincludedforhardwarehandshaking.TheUARTandRS-232functionscanbeusedtogetherorindependentlysincethetwofunctionsshareonlysupplyandgroundconnections(theMAX3110E/MAX3111Earehardware-andsoftware-compatiblewiththeMAX3100andMAX3222E).________________________ApplicationsPoint-of-Sale(POS)DevicesHandy-TerminalsTelecom/NetworkingDiagnosticPortsIndustrialFront-PanelInterfacesHand-Held/Battery-PoweredEquipmentFeatures'IntegratedRS-232TransceiverandUARTinaSingle28-PinPackage'SPI/QSPI/MICROWIRE-CompatibleµCInterface'InternalCharge-PumpCapacitors—NoExternalComponentsRequired!'TrueRS-232OperationDowntoVCC=+3V(MAX3111E)'ESDProtectionforRS-232I/OPins±15kV—HumanBodyModel±8kV—IEC1000-4-2,ContactDischarge±15kV—IEC1000-4-2,Air-GapDischarge'Single-SupplyOperation+5V(MAX3110E)+3.3V(MAX3111E)'LowPower600µASupplyCurrent10µAShutdownSupplyCurrentwithReceiverInterruptActive'Guaranteed230kbpsDataRate'Hardware/Software-CompatiblewithMAX3100andMAX3222EMAX3110E/MAX3111E†SPI/MICROWIRE-CompatibleUARTand±15kVESD-ProtectedRS-232TransceiverswithInternalCapacitors________________________________________________________________MaximIntegratedProducts1678RS-232DB-9CSSCLKSPIDINDOUTμPUART912345IRQMAX3110EMAX3111E19-1494;Rev0;7/99TypicalApplicationCircuitOrderingInformationSPIandQSPIaretrademarksofMotorola,Inc.MICROWIREisatrademarkofNationalSemiconductorCorp.OrderingInformationcontinuedatendofdatasheet.PinConfigurationappearsatendofdatasheet.†CoveredbyU.S.Patentnumbers4,636,930;4,679,134;4,777,577;4,797,899;4,809,152;4,897,774;4,999,761;andotherpatentspending.PARTMAX3110ECWIMAX3110ECNI0°Cto+70°C0°Cto+70°CTEMP.RANGEPIN-PACKAGE28WideSO28PlasticDIPVCC(V)55MAX3110E/MAX3111ESPI/MICROWIRE-CompatibleUARTand±15kVESD-ProtectedRS-232TransceiverswithInternalCapacitors2_______________________________________________________________________________________ABSOLUTEMAXIMUMRATINGSELECTRICALCHARACTERISTICS—MAX3110E(VCC=+4.5Vto+5.5V,TA=TMINtoTMAX,unlessotherwisenoted.Typicalvaluesaremeasuredforbaudratesetto9600baudatVCC=+5V,TA=+25°C.)(Note2)Stressesbeyondthoselistedunder“AbsoluteMaximumRatings”maycausepermanentdamagetothedevice.Thesearestressratingsonly,andfunction-aloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedintheoperationalsectionsofthespecificationsisnotimplied.Exposuretoabsolutemaximumratingconditionsforextendedperiodsmayaffectdevicereliability.VCCtoGND(MAX3110E)........................................-0.3Vto+6VVCCtoGND(MAX3111E).........................................-0.3Vto+4VV+toGND(Note1)..................................................-0.3Vto+7VV-toGND(Note1)...................................................+0.3Vto-7VV+toV-(Note1)..................................................................+13VInputVoltagestoGNDCS,X1,CTS,RX,DIN,SCLK..................-0.3Vto(VCC+0.3V)T_IN,SHDN...........................................................-0.3Vto+6VR_IN..................................................................................±25VOutputVoltagetoGNDDOUT,RTS,TX,X2.................................-0.3Vto(VCC+0.3V)IRQ.......................................................................-0.3Vto+6VT_OUT...........................................................................±13.2VR_OUT.....................................................-0.3Vto(VCC+0.3V)TX,RTSOutputCurrent....................................................100mAShort-CircuitDurationX2,DOUT,IRQ(toVCCorGND).............................ContinuousT_OUT(toGND).....................................................ContinuousContinuousPowerDissipation(TA=+70°C)28-pinWideSO(derate12.5mW/°Cabove+70°C)...........1W28-pinPlasticDIP(derate14.3mW/°Cabove+70°C)....1.14WOperatingTemperatureRangesMAX311_EC__..................................................0°Cto+70°CMAX311_EE__........................