hi-8382,hi-8383 thehi-8382andhi-8383businterfaceproductsaresilicon gatecmosdevicesdesignedasalinedriverinaccordancewith thearinc429busspecifications. inputsareprovidedforclockingandsynchronization.these signalsareand'dwiththedatainputstoenhancesystem performanceandallowthehi-8382tobeusedinavarietyof applications.bothlogicandsynchronizationinputsfeature built-in2,000vminimumesdinputprotectionaswellasttl andcmoscompatibility. thedifferentialoutputsofthehi-8382areindependently programmabletoeitherthehighspeedorlowspeedarinc 429 outputriseandfalltimespecificationsthroughtheuseoftwo externalcapacitors.theoutputvoltageswingisalsoadjustable bytheapplicationofanexternalvoltagetothevrefinput.the hi-8382hason-chipzenerdiodesinserieswithafusetoeach differentialoutputprotectingthearincbusfromanovervoltage failure.theoutputseachhaveaseriesresistanceof37.5ohms. thehi-8383isidenticaltothehi-8382exceptthattheseries resistorsare13ohmsandtheovervoltageprotectioncircuitry hasbeeneliminated. thehi-8382andhi-8383areintendedforusewherelogic sig nalsmustbeconvertedtoarinc429levelssuchasauser asicorthehi-8282arinc429serialtransmitter/dual receiverorthehi-6010arinc429transmitter/receiver.holt productsarereadilyavailableforbothindustrialandmilitary applications.pleasecontacttheholtsalesdepartmentfor additionalinformation,includingdatasheetsforthehi-8282and hi-6010products. pinconfiguration (topview) generaldescription ! ! ! ! ! ! ! ! lowpowercmos ttlandcmoscompatibleinputs programmableoutputvoltageswing adjustablearincriseandfalltimes operatesatdataratesupto100kbits overvoltageprotection industrialandmilitarytemperatureranges dsccsmdpartnumber features 4321282726 12131415161718 5 6 7 8 9 10 11 25 24 23 22 21 20 19 clock n/c data(b) c n/c n/c n/c b n/c data(a) n/c n/c c n/c n/c a hi-8382j 28-pin plastic plcc function arinc429differentiallinedriver hi-8382 + truthtable syncclockdata(a)data(b)aoutboutcomments xlxx0v0vnull lxxx0v0vnull hhll0v0vnull hhlh-v+vlow hhhl+v-vhigh hhhh0v0vnull refref refref (seepage4-46foradditionalpackagepinconfigurations) january2001 holtintegratedcircuits 1 (ds8382rev.a)01/01
functionaldescription thesyncandclockinputsestablishdatasynchronization utilizingtwoandgates,oneforeachdatainput.eachlogic input,includingthepowerenable()input,are ttl/cmoscompatible.besidesreducingchipcurrentdrain, alsofloatseachoutput.howevertheovervoltage fusesanddiodesofthehi-8382arenotswitchedout. figure1illustratesatypicalarinc429busapplication. threepowersuppliesarenecessarytooperatethehi-8382; typically+15v,-15vand+5v.thechipalsoworkswith12v supplies.the+5vsupplycanalsoprovideareference voltagethatdeterminestheoutputv oltageswing.the differentialoutputvoltageswingwillequal2v.ifavalueof votherthan+5visneeded,aseparate+5vpowersupply isrequiredforpinv. withthedata(a)inputatalogichighanddata(b)inputata logiclow,awillswitchtothe+vrailandbwill switchtothe-vrail(arinchighstate).withbothdata inputsignalsatalogiclowstate,theoutputswillbothswitchto 0v(arincnullstate). thedriveroutputimpedance,r,isnominally75ohms. theriseandfalltimesoftheoutputscanbecalibratedthrough theselectionoftwoexternalcapacitorvaluesthre connectedtothecandci nputpins.typicalvaluesfor high-speedoperation(100kbps)arec=c=75pfandfor low-speedoperation(12.5to14kbps)c=c=500pf. strobe strobe ref ref outrefout ref out 1 ab ab ab ata thedrivercanbeexternallypowereddownbyapplyingalogic hightotheinputpin.ifthisfeatureisnotbeingused, thepinshouldbetiedtoground. thecandcpinsareinputstounitygainamplifiers. thereforetheymustbeallowedtoswingto-5v.provisionto switchcapacitorsmustbedonewithanalogswitchesthat allowvoltagesbelowtheirground. strobe ab figure2. functionalblockdiagram data(a) out data(b) inputs toarincbus b ref v 1 v sync clock -v +v strobe gnd c c -15v +15v +5v hi-8382,hi-8383 figure1. arinc429busapplication data(a) data(b) sync clock v 1 strobe levelshifter andslope control(a) levelshifter andslope control(b) current regulator output driver(b) output driver(a) r/2 out r/2 out f a f b overvoltage clamps c l r l out b b c gnd -v a c +v ref notincludedonhi-8383 holtintegratedcircuits 2
allvoltagesreferencedtognd,ta=operatingtemperaturerange(unlessotherwisespecified) symbolfunctiondescription vpowerthereferencevoltageusedtodeterminetheoutputvoltageswing inputalogichighonthisinputplacesthedriverinpowerdownmode syncinputsynchronizesdatainputs data(a)inputdatainputterminala cinputconnectionfordata(a)slew-ratecapacitor aoutputarincoutputterminala -vpower-12vto-15v gndpower0.0v +vpower+12vto+15v boutputarincoutputterminalb cinputconnectionfordata(b)slew-ratecapacitor data(b)inputdatainputterminalb clockinputsynchronizesdatainputs vpower+5v5% ref a out out b 1 strobe parametersymbolconditionsoperatingrangemaximumunit differentialvoltagevvoltagebetween+vand-vterminals40v supplyvoltage+v+10.8to+16.5v -v-10.8to-16.5v v+510%+7v voltagereferencevforarinc429+55%6v forapplicationsotherthanarinc0to66v inputvoltagerangevgnd-0.3v v1+0.3v outputshort-circuitdurationseenote:1 outputovervoltageprotectionseenote:2 operatingtemperaturerangethi-temp&military-55to+125c industrial-40to+85c storagetemperaturerangetceramic&plastic-65to+150c leadtemperaturesoldering,10seconds+275c junctiontemperaturet+175c powerdissipationp16-pinceramic dipseenote:31.725w 28-pinceramiclccseenote:31.120w 28-pinplasticplccseenote:32.143w 32-pincerquadseenote:31.725w thermalresistance,?16-pinceramicdip86.5c/w (junction-to-ambient)28-pinceramiclcc133.7c/w 28-pinplasticplcc70.0c/w 32-pincerquad86.5c/w note1.heatsinkingmayberequiredforoutputshortcircuitat+125candfor100kbpsat+125c. note2.thefusesusedforoutputovervoltageprotectionmaybeblownbythepresenceofavoltageateitheroutputthat isgreater than12.0vwithrespecttognd.(hi-8382only) note3.derateabove+25c,11.5 mw/cfor16-pindipand32-pincerquad,7.5mw/cfor28-pinlcc,14.2mw/cfor28-pinplcc dif 1 ref in a stg j d ja > < note:stressesabovethoselistedunder"absolutemaximumratings"maycausepermanentdamagetothedevice.thesea restressratings only.functionaloperationofthedeviceattheseoranyotherconditionsabovethoseindicatedintheoperationalse ctionsofthespecifications isnotimplied.exposuretoabsolutemaximumratingconditionsforextendedperiodsmayaffectdevicereliability. hi-8382,hi-8383 holtintegratedcircuits 3
parametersymbolconditionmintypmaxunits supplycurrent+v(operating)(+v)noload(0-100kbps)+11ma supplycurrent-v(operating)(-v)noload(0-100kbps)-11ma supplycurrent(operating)()noload(0-100kbps)500a supplycurrent(operating)()noload(0-100kbps)500a supplycurrent+v(powerdown)(+v)strobe=high475ua supplycurrent-v(powerdown)(-v)strobe=high-475ua supplycurrent+v(duringshortcircuittest)(+v)shorttoground(seenote:1)150ma supplycurrent-v(duringshortcircuittest)(-v)shorttoground(seenote:1)-150ma outputshortcircuitcurrent(outputhigh)shorttoground=0(seenote:2 )-80ma outputshortcircuitcurrent(outputlow)shorttoground=0(seenote:2)+80ma inputcurrent(inputhigh)1.0a inputcurrent(inputlow)-1.0a inputvoltagehigh2.0v inputvoltagelow0.5v outputvoltagehigh(outputtoground)noload(0-100kbps)+v+vv -.+. outputvoltagelow(outputtoground)noload(0-100kbps)-v-vv -.+. outputvoltagenullnoload(0-100kbps)-250+250mv inputcapacitance15pf i i viv viv i i i i iv iv i i v v v v v c ccop ccop 1ccop1 refccopref ccpd ccpd sc sc ohscmin olscmin ih il ih il oh 2525 ol 2525 null inseenote1 refref refref note1.nottested,butcharacterizedatinitialdevicedesignandaftermajorprocessand/ordesignchangewhichaff ectsthisparameter. note2.interchangeabilityofforceandsenseisacceptable. +v=+15v,-v=-15v,v=v=+5.0v,t=operatingtemperaturerange(unlessotherwisespecified). 1refa parametersymbolconditionmintypmaxunits risetime(,)==75pfseefigure3.1.02.0s falltime(,)==75pfseefigure3.1.02.0s propagtiondelayinputtooutput==75pfseefigure3.3.0s propagtiondelayinputtooutput==75pfseefigure3.3.0s abtcc abtcc tcc tcc outoutrab outoutfab plhab phlab figure3. switchingwaveforms -9.5vto-10.5v +9.5vto+10.5v -4.75vto-5.25v 2.0v +4.75vto+5.25v 2.0v 0.5v 0.5v -4.75vto-5.25v +4.75vto+5.25v data(a)0v data(b)0v a out 0v b out 0v differential output0v () ab out-out 50% 50% v ref adjust by c a t phl adjust by c a -v ref 50% 50% t plh t r +v ref -v ref adjust by c b adjust by c b t f 2v ref -2v re high null low note:outputsunloaded hi-8382,hi-8383 +v=+15v,-v=-15v,v=v=+5.0v,t=operatingtemperaturerange(unlessotherwisespecified). 1refa holtintegratedcircuits 4
number description range flow in finish HI-8382C 16 pin ceramic side brazed dip -40c to +85c i no gold HI-8382Ct 16 pin ceramic side brazed dip -55c to +125c t no gold HI-8382Cm-01 16 pin ceramic side brazed dip -55c to +125c m yes solder HI-8382Cm-03* 16 pin ceramic side brazed dip -55c to +125c dscc yes solder hi-8382j 28 pin plastic j -lead plcc -40c to +85c i no solder hi-8382jt 28 pin plastic j -lead plcc -55c to +125c t no solder hi-8382s 28 pin ceramic leadless chip carrier -40c to +85c i no gold hi-8382st 28 pin ceramic leadless chip carrier -55c to +125c t no gold hi-8382sm-01 28 pin ceramic leadless chip carrier -55c to +125c m yes solder hi-8382u 32 pin j-lead cerquad -40c to +85c i no solder hi-8382ut 32 pin j-lead cerquad -55c to +125c t no solder hi-8382,hi-8383 hi-8383partnumbersidenticalexceptthesmdversionisnotavailable. supply current (ma) 2 junction temp, tj (c) ta = 25 o c ta = 85 o c ta=125 o c ta = 25 o c ta = 85 o c ta=125 o c low speed 3 17.6 17.2 17.0 48 107 142 high speed 4 25.4 24.5 24.2 56 110 150 low speed 17.9 17.4 17.1 41 103 145 high speed 25.8 24.8 24.4 47 112 147 supply current (ma) 2 junction temp, tj (c) ta = 25 o c ta = 85 o c ta=125 o c ta = 25 o c ta = 85 o c ta=125 o c low speed 3 60.1 55.7 52.4 110 157 194 high speed 4 63.1 56.3 52.3 100 150 182 low speed 62.1 56.2 53.0 90 145 180 high speed 64.0 56.2 52.2 86 144 176 16 lead ceramic sb dip package style 1 16 lead ceramic sb dip maximum arinc load 7 a out and b out shorted to ground 5, 6, 7 arinc 429 data rate arinc 429 data rate package style 1 28 lead plcc 28 lead plcc notes: 1.alldatatakenondevicessolderedtoasinglelayercopperpcb(3"x4.5"x.062"). 2.at100%dutycycle,15vpowersupplies.for12vpowersuppliesmultiplyalltabulatedvaluesby0.8. 3.lowspeed:datarate=12.5kbps,load:r=400ohms,c=30nf. 4.highspeed:datarate=100kbps,load:r=400ohms,c=10nf.datanotpresentedforc=30 asthisisconsideredunrealisticforhighspeedoperation. 5.similarresultswouldbeobtainedwithashortedtob. 6.forapplicationsrequiringsurvivalwithcontinuousshortcircuit,operationabovetj=175cisnotrecommended . 7.datawillvaryd ependingonairflowandthemethodofheatsinkingemployed. instillair outout hi-8382packagethermalcharacteristics holtintegratedcircuits 5
hi-8382,hi-8383 4321282726 12131415161718 5 6 7 8 9 10 11 25 24 23 22 21 20 19 clock n/c data(b) c n/c n/c n/c b n/c data(a) n/c n/c c n/c n/c a hi-8382s 28-pin ceramic lcc 5678910111213 30 31 32 1 2 3 4 20 19 18 17 16 15 14 n/c n/c +v gnd n/c -v n/c clock v n/c v sync n/c 1 ref strobe hi-8382u 32-pin cerquad 292827262524232221 vref strobe sync data(a) ca aout -v gnd +v n/c bout cb data(b) clock v1 n/c 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 HI-8382C 16-pin ceramic dip holtintegratedcircuits 6
packagetype: packagetype: .125min (3.175min ) base plane seating plane .050 .005 (1.270 .127) .295 .010 (7.493 .254) pin1 .200max (5.080max) .018.002 (.457 .051) .100bsc (2.540bsc) .010 .002 (.254 .051) .035.010 (.889 .254) .810max (20.574max) .300.010 (7.620 .254) 16-pinceramicside-brazeddip 16c .045x45 .453 .003 (11.506 .076) sq. .490 .005 (12.446 .127) sq. .045x45 seedetail a .173 .008 (4.394 .203) pinno.1ident pinno.1 .015 .002 (.381 .051) detaila .020min (.508 min ) .025 .045 28-pinplasticplcc .410 .020 (10.414 .508) .031 .005 (.787 .127) .017 .004 (.432 .102) .009 .011 .050 .005 (1.27 .127) 28j r hi-8382packagedimensions inches(millimeters) holtintegratedcircuits 7
packagetype: packagetype: .451 .009 (11.455 .229) sq. .080 .020 (2.032 .508) .040x453pls (1.016x453pls) .050 .005 (1.270 .127) .025 .003 (.635 .076) .050bsc (1.270bsc) .008r.006 (.203r .152) .020index (.508index) pin1 28s 28-pinceramicleadlesschipcarrier .040typ. (1.016)typ. .190max. (4.826)max. .420 .012 (10.668 .305) .588 .008 (14.935 .203) .019 .003 (.483 .076) .050typ. (1.270)typ. .488 .008 (12.395 .203) .450 .008 (11.430 .203) .550 .009 (13.970 .229) .520 .012 (13.208 .305) 31 32 1 2 .083 .009 (2.108 .229) 32-pinj-leadcerquad 32u pin1 hi-8382packagedimensions inches(millimeters) holtintegratedcircuits 8
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