HOLT HI-3188PST, HI-3188PSI, HI-3187PST, HI-3187PSI, HI-3186PST Datasheet

HI-3182,HI-3183,HI-3184,HI-3185

HI-3186,HI-3187,HI-3188

March2001

TheHI-3182,HI-3183,HI-3184,HI-3185,HI-3186,HI-3187and
HI-3188businterfaceproductsaresilicongateCMOSdevices
designedasalinedriverinaccordancewiththeARINC429bus
specifications.InadditiontobeingfunctionalupgradesofHolt's
HI-8382&HI-8383products,theyarealsoalternatesourcesfor
theHS-3182(Intersil/Harris),theRM3182(Fairchild/Raytheon)
andavarietyofsimilarDEI/DDClinedriverproducts.

Inputsareprovidedforclockingandsynchronization.These
signalsareAND'dwiththeDATAinputstoenhancesystem
performanceandallowtheHI-318Xs eriesofproductstobe
usedinavarietyofapplications.Bothlogicandsynchronization
inputsfeaturebuilt-in2,000VminimumESDinputprotectionas
wellasTTLandCMOScompatibility.

ThedifferentialoutputsoftheHI-318Xseriesofproductsare
independentlyprogrammabletoeitherthehighspeedorlow
speedARINC429outputriseandfalltimespecificationsthrough
theuseoftwoexternalcapacitors.Theoutputvoltageswingis
alsoadjustablebytheapplicationofanexternalvoltagetothe
VREFinput.Productswith0,13or37.5ohmresistorsinseries
witheachARINCoutputareav ailable.Inaddition,the
HI-3184andHI-3187productsalsohavea
eachoutput.

fuseinserieswith

HI-3182,

PINCONFIGURATION (TopView)GENERALDESCRIPTION

14V

V1

REF

GND(SeeNote*)2

SYNC3

DATA(A)4

C5

A

A6

OUT

-V7

1

13CLOCK
12DATA(B)
11C

B

10B

OUT

9+V
8GND

HI-3184PS,HI-3185PS,HI-3186PS

&HI-3187PS

14-PINPLASTICSMALLOUTLINE(ESOIC) **

Notes:*Pin2maybeleftfloating

**ThermallyEnhancedSOICPackage

(SeePage5foradditionalpackagepinconfigurations)

FUNCTION

TheHI-318Xseriesoflinedriversareintendedforusewhere
logicsignalsmustbeconvertedtoARINC429levelssuchas
whenusinganASIC,theHI-8282ARINC429SerialTransmit­ter/DualReceiver,theHI-6010ARINC429Transmitter/Receiver
ortheHI-8783ARINCInterfaceDevice.Holtproductsare
readilyavailableforbothindustrialandmilitaryapplications.
PleasecontacttheHoltSalesDepartmentforadditional
information.

FEATURES

!

LowpowerCMOS

!

TTLandCMOScompatibleinputs

!

Programmableoutputvoltageswing

!

AdjustableARINCriseandfalltimes
Plastic14&16-pinthermallyenhancedSOIC

!

packagesavailable
Pin-for-PinalternativeforDEI/DDC/Intersil/Fairchild

!

applications

!

Operatesatdataratesupto100Kbits

!

Overvoltageprotection

!

IndustrialandMilitarytemperatureranges

+

ARINC429DIFFERENTIALLINEDRIVER

TRUTHTABLE

SYNCCLOCKDATA(A)DATA(B)AOUTBOUTCOMMENTS

XLXX0V0VNULL
LXXX0V0VNULL
HHLL0V0VNULL
HHLH-V+VLOW
HHHL+V-VHIGH
HHHH0V0VNULL

REFREF

REFREF

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(DS3182Rev.B)03/01

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HI-3182,HI-3183,HI-3184,HI-3185,HI-3186,HI-3187,HI-3188

FUNCTIONALDESCRIPTION

TheSYNCandCLOCKinputsestablishdatasynchronization
utilizingtwoANDgates,oneforeachdatainput.Eachlogic
input,includingthepowerenable()input,are

STROBE

TTL/CMOScompatible.
Figure1illustratesatypicalARINC429busapplication.

ThreepowersuppliesarenecessarytooperatetheHI-3182;
typically+15V,-15Vand+5V.Thechipalsoworkswith±12V
supplies.The+5Vsupplycanalsoprovideareference
voltagethatdeterminestheoutputvoltageswing.The
differentialoutputvoltageswingwillequal2V.Ifavalueof
Votherthan+5Visneeded,aseparate+5Vpowersupply

REF

isrequ iredforpinV.

1

REF

WiththeDATA(A)inputatalogichighandDATA(B)inputata
logiclow,Awillswitchtothe+VrailandBwill
switchtothe-Vrail(ARINCHIGHstate).Withbothdata

OUTREFOUT

REF

inputsignalsatalogiclowstate,theoutputswillbothswitchto
0V(ARINCNULLstate).

Thedriveroutputimpedance,R,isnominally75,26or0

OUT

ohmsdependingontheoptionchosen.Theriseandfalltimes
oftheoutputscanbecalibratedthroughtheselectionoftwo
externalcapacitorvaluesthreconnectedtotheCandC

ata

AB

inputpins.Typicalvaluesforhigh-speedoperation
(100KBPS)areC=C=75pFandforlow-speedoperati on
(12.5to14KBPS)C=C=500pF.

AB

AB

TheARINCoutputscanbeputinatri-statemodebyapplying
alogichightotheinputpin.Ifthisfeatureisnot
beingused,thepinshouldbetiedtoground.The

STROBE

STROBE
functionisnotavailableinthe14&16-pinSOICpackage
configurationswherethepinisinternallyconnectedto
ground.

TheARINCoutputsoftheHI-3182,HI-3184andHI-3187are
protectedbyinternalfusescapableofsinkingbetween800­900mAforshortperiodsoftime(125s).

V

REF

V

1

DATA(A)

INPUTS TOARINCBUS

DATA(B)

SYNC

GND

C

C

CLOCK

STROBE

µ

+15V+5V

OUT

+V

-V

B

TheCandCpinsswingbetween+5Vandgroundallowing

AB

theswitchingofcapacitorvalueswithanexternalsingle­supplyanalogswitch.

+V

C

A

DATA(A)

CLOCK

SYNC

DATA(B)

STROBE

REF

LEVELSHIFTER

ANDSLOPE

CONTROL(A)

LEVELSHIFTER

ANDSLOPE

CONTROL(B)

V 1

CURRENT

REGULATOR

Figure1. ARINC429BUSAPPLICATION

Shortedon

HI-3186,HI-3187,HI-3188

OUTPUT

DRIVER(A)

OUTPUT

DRIVER(B)

Shortedon
HI-3183,HI-3186
HI-3187,HI-3188

24.5 Ω

24.5Ω

-15V

13 Ω

13 Ω

F A

F B

Shortedon
HI-3183,HI-3185
HI-3186,HI-3188

C L

R L

-V

CGND

B

Figure2. FUNCTIONALBLOCKDIAGRAM

HOLTINTEGRATEDCIRCUITS

2

B

OUT

HI-3182,HI-3183,HI-3184,HI-3185,HI-3186,HI-3187,HI-3188

SYMBOLFUNCTIONDESCRIPTION

VPOWERReferencevoltageusedtodeterminetheoutputvoltageswing

REF

STROBE

SYNCINPUTSynchronizesdatainputs

DATA(A)INPUTDatainputterminalA

CINPUTConnectionforDATA(A)slew-ratecapacitor

A

AOUTPUTARINCoutputterminalA

OUT

-VPOWER-12Vto-15V

GNDPOWER0.0V

+VPOWER+12Vto+15V

BOUTPUTB

OUT

CINPUT

B

DATA(B)INPUTB

CLOCKINPUTSynchronizesdatainputs

VPOWER+5V±5%

1

INPUTAlogichightri-statestheARINCoutputs.Notavailableinthe14-pinSOICpackage(tiedtoGNDinternally).

ARINCoutputterminal
ConnectionforDATA(B)slew-ratecapacitor
Datainputterminal

AllVoltagesreferencedtoGND,TA=OperatingTemperatureRange(unlessotherwisespecified)

PARAMETERSYMBOLCONDITIONSOPERATINGRANGEMAXIMUMUNIT

DifferentialVoltageVVoltagebetween+Vand-Vterminals40V

DIF

SupplyVoltage+V+10.8to+16.5V

-V-10.8to-16.5V
V+5±10%+7V

1

VoltageReferenceVForARINC429+5±5%6V

REF

ForApplicationsotherthanARINC0to66V

InputVoltageRangeVGND-0.3V

IN

>

V1+0.3V

<
OutputShort-CircuitDurationSeeNote:1
OutputOvervoltageProtectionSeeNote:2
OperatingTemperatureRangeTHi-temp&Military-55to+125°C

A

Industrial-40to+85°C

StorageTemperatureRangeTCeramic&Plastic-65to+150°C

STG

LeadTemperatureSoldering,10seconds+275°C
JunctionTemperatureT+175°C

J

Note1.Heatsinkingmayberequired forOutputShortCircuitat+125°Candfor100KBPSat+125°C.
Note2.ThefusesusedforOutputOvervoltageProtectionmaybeblownbythepresenceofavoltageateitheroutputthat isgreater

than±12.0VwithrespecttoGND.(HI-3182,3184&3187only)

NOTE:Stressesabovethoselistedunder"AbsoluteMaximumRatings"maycausepermanentdamagetothedevice.Thesea restressratings
only.Functionaloperationofthedeviceattheseoranyotherconditionsabovethoseindicatedintheoperationalse ctionsofthespecifications
isnotimplied.Exposuretoabsolutemaximumratingconditionsforextendedperiodsmayaffectdevicereliability.

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