hi-8045 generaldescription thehi-8045highvoltagedisplaydriverisalowcostplastic, 80-segmentversionoftheholthi-8040displaydriver series.the20milpackageleadpitchallowsthemaximum numberofdisplaydriversegmentsinthesmallestspace.all thefeaturesofthehi-8040areavailablewiththehi-8045. anoptionalnegativeconvertercangeneratethenegative displaydrivevoltage.testinputsfacilitateopensandshorts testing.thebackplanefrequencyischeckedand,aslong aspowerisavailable,thesegmentsareshut"off"ifthe frequencybecomestoolow. thehi-8045andthehi-80xxseriesofdi splaydriversall controlsegmentinformationinthesameway.datais seriallyclockedintothedeviceandthedataforallsegment outputsarelatchedinparallelwhentheloadinput transitionsfromhightolow.withthedataoutfromtheshift registeravailable,devicesmaybecascadedtoobtainmore segmentoutputs.theshiftregisteris85bitslong. thedieismetalmaskprogrammabletoprovideforvarious packageand/orcascadetapoptions.consultyourholt salesrepresentativetoexplorethepossibilities. ! ! dichroicliquidcrystaldisplays standardliquidcrystaldisplays applications ! ! ! ! ! ! ! ! ! 4mhzserialinputdatarate 80segmentoutputs cascadable 5voltinputstranslatedto35volts testpinsallowhardwareall"on",all"off"or alternating monitorsbackplaneoscillationandforcesall segmentsto"off"conditionifbelow10hz negativevoltageconverteravailableon-chip cmoslowpower industrialandjedecprocessingavailable features pinconfiguration (topview) functionalblockdiagram oscillator divider voltage translator highvoltage buffer 85stage shiftregister 80bitlatch voltage translators highvoltage drivers t bp 80segments din ld bposc bpin t t t t t t cl cs datain clk le dout 85 s55 s54 s53 s52 s51 s50 s49 548 s47 s46 s45 s44 s43 s42 s41 s40 s39 s38 s37 s36 s35 s34 s33 s32 s31 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 n/c v ld din bposc n/c n/c bpin n/c convout v dout85 convosc v t1 t2 bp s1 s2 s3 s4 s5 s6 ss dd ee cs cl hi-8045pq 80-segment 100-pin plastic quadflatpack march2000 holtintegratedcircuits 3-21 (ds8045rev.a)3/00
hi-8045 functionaldescription inputlogic bposcandbpin vee&negativevoltageconverter mustbeheldlowtoenterdataintotheshiftregister. thedataisclockedonthenegativeedgeof.ldisnor- mallyheldlowandonlypulsedhighwhennewdataisready fordisplay.whenldishighthelatchistransparent.allfour logicinputsarettlcompatible.alogic"1"atdinthatis eventuallylatchedtothesegmentdriverswillcausetheseg- menttobeattheoppositevoltagelevelofthebppin(outof phase). theusercaneithermakeanoscillatortocreatethe backplanefrequencyordriveasignalintobpinleaving bposcopen.tomakeanoscillator,pinsbposcand bpinmustbeconnectedtogeth erandtheappropriater andccombinationapplied(seefigure1).iftheoscillatoris used,thebackplanefrequencyisapproximately f=(forr=180kc=220pf,f100hz). veemaybeexternallydriventoamaximum-30v.alterna- tively,thereisavoltageconverterthatwillprovide-21.4volts (seefigure2).iftheconverterpinsareleftopencircuit,an on-chipsenseresistorwillcauseshutdownofallcurrent consumptionassociatedwiththeconverter.theconverter willsurviveashortedsegmentconditionandcontinueto maintainveeat-20volts. cs cl bpbp w& ? dout automaticsegmentsoff testinputs thedoutpinisavailablefromsegment85forcascading devicestodrivemoresegmentsandforverifyingthedata integrity.howeveronlythefirst80outputsegmentsare availabletotheuser.thisoutputcandrive2ttlloads.it changesonthepositiveedgeof. theinternalbackplanesignalistestedcontinuouslytobeat least10hz.ifthedetectorsensesf<10hz,thenthesegments areforcedtothesamevoltageasthebackplane(allsegments in"off"state).however,thedetectorisonlyfunctionalwhile vddisabovetheminimumoperatingvoltagespecification. thetestfunctionsavailabl eare: 00normal 01alloff 10allon 11alternatingon/offsegments thetestinputsmustbetiedtotheappropriatelogiclevelfor correctcircuitoperation. cl t2t1display control osc v dd r330k w in5818,in5819 330h 10f v dd v ss v ss r sense 1 256rc holtintegratedcircuits 3-22
hi-8045 segments segments segments back plane din cs din cl ld do bpin bp bposc cs din cl ld do bpin bp bposc cs din cl ld do bpin bp bposc cs cl ld valid bp 1500pf 1f m 1m w 1m w 1f m 1f m 1f m 1m w 1m w 360pf seg n v os holtintegratedcircuits 3-23 r c
note:stressesabovethoselistedunder"absolutemaximumratings"maycausepermanentdamagetothedevice.thesea restressratingsonly. functionaloperationofthedeviceattheseoranyotherconditionsabovethoseindicatedintheoperationalsection softhespecificationsisnotimplied. exposuretoabsolutemaximumratingconditionsforextendedperiodsmayaffectdevicereliability. vdd=5v5%,vee=-21.5v,vss=0v,ta=operatingtemperaturerange(unlessotherwisespecified). parametersymbolconditionmintypmaxunits operatingvoltagevdd3.07.0v supplycurrent:(converteroff,fbp=100hz)iddstatic,noload300a ieestatic,noload120a inputlowvoltage(excludingbpin)vil00.8v inputhighvoltage(excludingbpin)vih2vddv inputlowvoltage(bpin)vilxvee0.6vddv inputhighvoltage(bpin)vihx0.8vddvddv inputcurrentiinvin=0to5v100na inputcapacitance(guaranteed,nottested)ci5pf segmentoutputimpedancersegil=10a15,000 backplaneoutputimpedancerbpil=10a600 dataoutcurrent:sourcecurrentidohvoh=4.5-3.0ma sinkcurrentidolvol=0.43.2ma voltageconverter:@noloadve eseefig.2-22-21.5-21v (vdd-vss=5v,ta=25c)@0.1maloadiddseefig.21.8ma @10kloadveeseefig.2-20v offsetvoltage(guaranteed,nottested)vosseefig.425mv w w w c c voltagesreferencedtovss=0v parametersymbolvddmintypmaxunits clockperiodnon-cascadedtcl5v250ns cascadedtcl5v500ns clockpulsewidthnon-cascadedtcw5v125ns cascadedtcw5v250ns datain-setuptds5v80ns datain-holdtdh5v80ns chipselect-setuptoclocktcss5v100ns chipselect-holdtoclocktcsh5v120ns load-setuptoclocktls5v120ns chipselect-setuptoloadtcsl5v0ns loadpulsewidthtlw5v130ns chipselect-holdtoloadtlcs5v120ns dataoutvalid,fromclocktcdo5v170ns vdd=5v,vee=-21.5v,vss=0v,ta=operatingtemperaturerange(unlessotherwisespecified). vdd........................ vee................ supplyvoltage vdd-35vto0v 0vto7v voltageatanyinput,exceptbpin....-0.3tovdd+0.3v voltageatbpininput.................vdd-35tovdd+0.3v dccurrentanyinputpin...................................10ma powerdissipation......................................................300mw operatingtemperaturerange-industrial.......-40to+85c storagetemperaturerange............................-65to+150c operatingtemperaturerange-hi-temp........-55to+125c holtintegratedcircuits 3-24
hi-8045 s55 s54 s53 s52 s51 s50 s49 548 s47 s46 s45 s44 s43 s42 s41 s40 s39 s38 s37 s36 s35 s34 s33 s32 s31 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 n/c v ld din bposc n/c n/c bpin n/c convout v dout85 convosc v t1 t2 bp s1 s2 s3 s4 s5 s6 ss dd ee cs cl hi-8045pq 80-segment 100-pin plastic quadflatpack magnifiedviewofpinassignments pin1 holtintegratedcircuits 3-25 numberdescriptionrangeflowfinish partpackagetemperaturelead hi-8045pq-40cto+85cisolder 100-pinplasticquadflatpack(pqfp) HI-8045PQT100-pinplasticquadflatpack(pqfp)-55cto+125ctsolder orderinginformation
packagetype: .059 .004 (1.50 .10) .039 .006 (1.0 .15) typ. .0197bsc (0.50bsc) .009 .002 (.22 .05) .024 .006 (.60 .15) detaila 0 q 7 .006 .002r (.15 .05r) seedetaila .008 (0.20) min. .630 .008 ( 16.0 .20) sq. .551 .004 (14.0 .10) sq. .006rtyp (0.15rtyp) .055 .002 (1.40 .05) 100pqs 100-pinplasticquadflatpack(pqfp) hi-8045packagedimensions inches(millimeters) holtintegratedcircuits 1
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