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7422 TTL 开路输出4输入端双与非门

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DM74LS22Dual4-InputNANDGatewithOpen-CollectorOutputFebruary1992

DM74LS22

Dual4-InputNANDGatewithOpen-CollectorOutput

GeneralDescription

The’LS22containstwoindependentNANDgates󰀷eachwithfourdatainputs󰀟

ConnectionDiagram

Dual-In-LinePackage

TL󰁋F󰁋10168–1

OrderNumberDM74LS22MorDM74LS22NSeeNSPackageNumberM14AorN14A

TruthTable

YeABCDInputs

AXXXLH

BXXLXH

CXLXXH

DLXXXH

Outputs

YHHHHL

HeHighLogicLevelLeLowLogicLevel

XeEitherLoworHighLogicLevel

C1995NationalSemiconductorCorporationTL󰁋F󰁋10168RRD-B30M105󰁋PrintedinU󰀟S󰀟A󰀟

AbsoluteMaximumRatings(Note)

SupplyVoltage

InputVoltage

OperatingFreeAirTemperatureRangeDM74LSStorageTemperatureRange

7V7V

0󰀂Ctoa70󰀂C

b65󰀂Ctoa150󰀂C

Note󰀌The‘‘AbsoluteMaximumRatings’’arethosevaluesbeyondwhichthesafetyofthedevicecannotbeguaran-teed󰀟Thedeviceshouldnotbeoperatedattheselimits󰀟Theparametricvaluesdefinedinthe‘‘ElectricalCharacteristics’’tablearenotguaranteedattheabsolutemaximumratings󰀟The‘‘RecommendedOperatingConditions’’tablewilldefinetheconditionsforactualdeviceoperation󰀟RecommendedOperatingConditions

SymbolVCCVIHVILVOHIOLTA

Parameter

Min

SupplyVoltage

HighLevelInputVoltageLowLevelInputVoltageHighLevelOutputVoltageLowLevelOutputCurrentFreeAirOperatingTemperature

04󰀟752

0󰀟85󰀟5870

DM74LS22Nom5

Max5󰀟25

VVVmAmAUnits

󰀂C

ElectricalCharacteristicsoverrecommendedoperatingfreeairtemperaturerangeunlessotherwisenoted

SymbolVIICEXVOL

ParameterInputClampVoltageHighLevelOutputCurrentLowLevelOutputVoltage

Conditions

VCCeMin󰀷IIeb18mAVCCeMin󰀷VOe5󰀟5V󰀷VILeMax

VCCeMin󰀷IOLeMax󰀷VIHeMin

IOLe4mA󰀷VCCeMin

IIIIHIILICCHICCL

InputCurrent󰀁MaxInputVoltage

HighLevelInputCurrentLowLevelInputCurrentSupplyCurrentOutputsHighSupplyCurrentOutputsLow

VCCeMax󰀷VIe5󰀟5VVCCeMax󰀷VIe2󰀟7VVCCeMax󰀷VIe0󰀟4VVCCeMax󰀷VINeGNDVCCeMax󰀷VINeOpen

DM74DM74

Min

Typ(Note1)

Max

b1󰀟5

UnitsVmA

100

0󰀟50󰀟40󰀟120

b0󰀟4

V

mAmAmAmAmA

0󰀟82󰀟2

Note1󰀌AlltypicalsareatVCCe5V󰀷TAe25󰀂C󰀟

2

SwitchingCharacteristics

atVCCea5󰀟0V󰀷TAea25󰀂C

SymboltPLHtPHL

Parameter

PropagationDelayTimeLowtoHighLevelOutputPropagationDelayTimeHightoLowLevelOutput

RLe2kX󰀷CLe15pFMin

Max2224

nsnsUnits

PhysicalDimensionsinches(millimeters)

14-LeadSmallOutlineMoldedPackage(M)

OrderNumberDM74LS22MNSPackageNumberM14A

3

DM74LS22Dual4-InputNANDGatewithOpen-CollectorOutputPhysicalDimensionsinches(millimeters)(Continued)

14-LeadMoldedDual-In-LinePackage(N)

OrderNumberDM74LS22NNSPackageNumberN14A

LIFESUPPORTPOLICY

NATIONAL’SPRODUCTSARENOTAUTHORIZEDFORUSEASCRITICALCOMPONENTSINLIFESUPPORTDEVICESORSYSTEMSWITHOUTTHEEXPRESSWRITTENAPPROVALOFTHEPRESIDENTOFNATIONALSEMICONDUCTORCORPORATION󰀟Asusedherein󰀌1󰀟Lifesupportdevicesorsystemsaredevicesorsystemswhich󰀷(a)areintendedforsurgicalimplantintothebody󰀷or(b)supportorsustainlife󰀷andwhosefailuretoperform󰀷whenproperlyusedinaccordancewithinstructionsforuseprovidedinthelabeling󰀷canbereasonablyexpectedtoresultinasignificantinjurytotheuser󰀟

NationalSemiconductorCorporation1111WestBardinRoad2󰀟Acriticalcomponentisanycomponentofalifesupportdeviceorsystemwhosefailuretoperformcanbereasonablyexpectedtocausethefailureofthelifesupportdeviceorsystem󰀷ortoaffectitssafetyoreffectiveness󰀟

NationalSemiconductorEuropeFax󰀌(a49)0-180-5308586NationalSemiconductorHongKongLtd󰀟13thFloor󰀷StraightBlock󰀷NationalSemiconductorJapanLtd󰀟Tel󰀌81-043-299-2309

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