hi-8040 generaldescription thehi-8040isacmosintegratedcircuitdesignedforhigh voltagelcddisplaydriveapplications.itcandrive85 segmentsatvoltagesbetween+5and-30volts.anoptional negativeconvertercangeneratethenegativedisplaydrive voltage.testinputsfacilitateopensandshortstesting.the backplanefrequencyischeckedand,aslongaspoweris available,thesegmentsareshut"off"ifthefrequency becomestoolow. thehi-8040ispartofafamilyofdisplaydriverswhich controlsegmentinformationinthesameway.datais seriallyclockedintothedeviceandthedataforallsegment out putsarelatchedinparallelwhentheloadinput transitionsfromhightolow.withthedataoutfromtheshift registeravailable,devicesmaybecascadedtoobtainmore segmentoutputs.theshiftregisteris85bitslong. thedieismetalmaskprogrammabletoprovideforvarious packageand/orcascadetapoptions.consultyourholt salesrepresentativetoexplorethepossibilities. ! ! dichroicliquidcrystaldisplays standardliquidcrystaldisplays applications ! ! ! ! ! ! ! ! ! 4mhzserialinputdatarate 85segmentoutputs cascadable 5voltinputstranslatedto35volts estpinsallowhardwareall"on",all"off"or alternating monitorsbackplaneoscillationandforcesall segmentsto"off"conditionifbelow10hz negativevoltageconverteravailableon-chip cmoslowpower militaryprocessingavailable t features pinconfiguration (topview) functionalblockdiagram oscillator divider voltage translator highvoltage buffer 85stage shiftregister 85bitlatch voltage translators highvoltage drivers t bp 85segments din ld bposc bpin t t t t t t cl cs datain clk le dout 85 s29 s28 s27 s26 s25 s24 s23 s22 s21 s20 s19 s18 s17 s16 s15 s14 s13 s12 s11 s10 s60 s61 s62 s63 s64 s65 s66 s67 s68 s69 s70 s71 s72 s73 s74 s75 s76 s77 s78 s79 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 100pinquadcerpack seepage3-19formagnifiedview holtintegratedcircuits 3-15 (ds8040rev.new)9/99 september1999
hi-8040 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.thisoutputcandrive2ttlloads.itchangesonthe positiveedgeof. theinternalbackplanesignalistestedcontinuouslytobeat least10hz.ifthedetectorsensesf<10hz,thenthesegments areforcedtothesamevoltageasthebackplane(allsegments in"off"state).however,thedetectorisonlyfunctionalwhile vddisabovetheminimumoperatingvoltagespecification. thetestfunctionsavailableare: 00normal 01alloff 10allon 11alternatingon/offsegments th etestinputsmustbetiedtotheappropriatelogiclevelfor correctcircuitoperation. cl t2t1display control osc v dd r330k w in5818,in5819 330h 10f v dd v ss v ss r sense 1 256rc holtintegratedcircuits 3-16
hi-8040 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 3-17 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-hi-temp/mil...-55to+125c storagetemperaturerange............................-65to+150c holtintegratedcircuits 3-18 operatingtemperaturerange-industrial......-40to+85c
hi-8040 s29 s28 s27 s26 s25 s24 s23 s22 s21 s20 s19 s18 s17 s16 s15 s14 s13 s12 s11 s10 s60 s61 s62 s63 s64 s65 s66 s67 s68 s69 s70 s71 s72 s73 s74 s75 s76 s77 s78 s79 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 100pinquadcerpack magnifiedviewofpinassignments numberdescriptionrangeflowinfinish partpackagetemperatureburnlead hi-8040q-40cto+85cinosolder 100-pinceramicquadflatpack(cqfp) HI-8040QT100-pinceramicquadflatpack(cqfp)-55cto+125ctnosolder hi-8040qm-01100-pinceramicquadflatpack(cqfp)-55cto+125cmyessolder orderinginformation holtintegratedcircuits 3-19 pin1
packagetype: 100-pinceramicquadflatpack .0256 .002typ (.6502 .051typ) pin1 .890 .012 (22.606 .305) .787 .007 (19.99 .178) detaila .718 .014 (18.237 .356) .654 .012 (16.612 .305) .551 .006 (13.995 .152) 0 to 7 .014 .002typ (.356 .051typ) .170max (4.318max) 100cqr .008typ (.203typ) .032 .008 (.813 .203) detaila .954 .014 (24.23 .356) .0065 .0015 (.165 .038) hi-8040packagedimensions inches(millimeters) holtintegratedcircuits 1
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