hi-8020series thehi-8020highvoltagedisplaydriverisa functionalreplacementfortheamis5420and micrelmic8013/8014series.thiscmosproduct isdesignedtodriveliquidcrystaldisplaysby converting5voltserialdatatoparallelsegment andbackplanewaveformswithamplitudesupto 30volts.thehi-8020differsfromthehi-8010by onlytheshiftregisterclocklogicgatingwithchip select. thechipcandriveupto38segmentsandhas4 possibleshiftregisterdatatapstoprovideoptions tocascadedevicesforlargerdisplays.datais clockedintoa38stageshiftregisterandparallel latchedb eforetheoutputtranslatorsbyaload input. thehi-8020isavailableinavarietyofceramicand plasticpackagingincludingdip;leadedand leadlesschipcarriers;andj-leadandgull-wing quadflatpacks. ! ! ! dichroicliquidcrystaldisplays standardliquidcrystaldisplays vacuumfluorescentdisplays ! ! ! ! ! ! ! ! ! 5voltinputtranslatedto30voltsorless pin-outadaptabletodrive30,32,34or38 lcdsegments rcoscillatororhighvoltage(bp)clockinput ttlcompatibleinputs lowpowerconsumption industrial(-40cto+85c)&military(-55c to+125c)temperatureranges pinforpincompatiblewiththemicrel mic8010/8011seriesandtheamis4520 seriesdrivers cascadable militarylevelprocessingavailable pinconfiguration (topview) functionalblockdiagram t bp oscillator divider voltage translator highvoltage buffer 38stage shiftregister 38bitlatch voltage translators highvoltage drivers segments datain clk t t t t dout38 dout34 dout32 dout30 s22 s23 s24 s25 s26 s27 s28 s29 s30 s31 s32 s33 s34 s35 s36 v ld din lcd0/lcd0opt v s37 s38 ss dd cs cl s21 s20 dout38 bp s19 s18 s17 s16 s15 v s14 s13 s12 s11 s10 s9 s7 s6 s5 s4 s3 s1 ee s8 s2 hi-8020p-80 48-pin plastic dip generaldescription din t cl t cs t ld t lcd? t lcd?opt t (seepage3-6foradditionalpackagepinconfigurations) features 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 september1999 holtintegratedcircuits 3-9 (ds8020rev.new)9/99
functionaldescription wheneveralogic"0"isappliedtothechipselect() input,onebitofdataisclockedintotheshiftregisterwith eachnegativetransitionoftheclock()input.is internallytiedtovssonsomeversions.alogic"1"present attheload(ld)inputwillcauseaparalleltransferofdata fromtheshiftregistertothedatalatch.iftheload(ld)input isheldhighwhiledataisclockedintotheshiftregister,the latchwillbetransparent. todisplaysegments,alogic"1"isstoredintheappropriate shiftregisterbitposition,andthesegmentoutputisout-of- phasewiththebackplane. thebackpla neoutputfunctionsin1of2modes;externally drivenorself-oscillating.whenthelcd?inputisexternally drivenwiththelcd?optinputopencircuit(figure2),the backplaneoutputwillbein-phasewithlcd?.utilizingthe self-oscillatingmode,inputslcd?andlcd?optaretied togetherandconnectedtoanrccircuit(figure3). a150kresistorwitha470pfcapacitorgeneratesan approximatebackplanefrequencyof100hz.the lcd?/lcd?optoscillatorfrequencyisdividedby256to determinethebackplaneoutputfrequency. fordisplayshavinganumberofsegmentsgreaterthat38, two ormoreofthedisplaydriversmaybecascadedtogether byconnectingtheserialdataoutput(dout)fromthefirst driver,totheserialdatainput(din)ofthefollowingdriver, etc.dataout(dout)willchangestateontherisingedgeof theclock().clock(),load(ld)andchipselect() shouldbetiedincommonwitheachother,respectively, betweenallcascadeddisplaydrivers. cs clcs clclcs w hi-8020series internaloscillatorcircuit tobackplane translator anddriver 256 c r lcd? opt lcd? timingdiagram t csh t css t ds t dh t cl t cdo t ls t lw t csl t lcs cl input din input cs input ld input dout output valid valid figure1. holtintegratedcircuits 3-10 q valid
cascading-ext.oscillator hi-8020series cascading-rcoscillator din hi-8020p-80 cs lcd? cl ld dout bp segments 1-38 din hi-8020p-80 cs lcd? cl ld dout bp segments 39-76 din hi-8020p-80 cs lcd? cl ld dout bp segments 77-114 back plane ld cl cs hi-8020j-85 cs cl ld bp segments lcd?opt din cs lcd? ld dout segments 39-76 din hi-8020j-85 lcd? cl dout bp 77-114 lcd?opt plane 470pf 150k w ld cl cs figure2 figure3 holtintegratedcircuits 3-12 additionalhi-8020pinconfigurations 39 38 37 36 35 34 33 32 31 30 29 s17 s16 s15 s14 s13 s12 s11 s9 s8 v s10 ee s27 s28 s29 s30 s31 s32 n/c v ld ss cs cl 7 8 9 10 11 12 13 14 15 16 17 hi-8020j-85 44-pin plastic plcc hi-8020s-63 hi-8020sm-64 and 48-pin ceramic lcc s5 s4 s3 s2 s1 s38 s37 v lcd? din ld dd cl s17 s18 s19 bp dout38 s20 s21 s22 s23 s24 s25 s26 7 8 9 10 11 12 13 14 15 16 17 18 42 41 40 39 38 37 36 35 34 33 32 hi-8020s-61 hi-8020sm-62 and 48-pin ceramic lcc s5 s4 s3 s2 s1 s38 s37 v din ld dd lcd?/lcd?opt cl s17 s18 s19 bp dout38 s20 s21 s22 s23 s24 s25 s26 7 8 9 10 11 12 13 14 15 16 17 18 42 41 40 39 38 37 36 35 34 33 32
hi-8020series holtintegratedcircuits 3-13 theabovepartnumbersrepresentsomeofthetypicalconfigurationsofthehi-8020product.itcanalsobeprovidedwi thavaried numberofoutputsegments(30,32,34and38),witheitherindustrialormilitaryscreeningandinawidevarietyofpac kages. listedbelowarecurrentlyavailablepackages.pleasecontacttheholtsalesdepartmentforyourspecificrequirem ents. packageno. descriptionleads plasticdual-in-line(pdip)40 48 plasticquadflatpack(pqfp)52 plasticj-leadchipcarrier(plcc)44 ceramicdual-in-line(cdip)40 48 ceramicleadlesschipcarrier(lcc)40 48 ceramicj-leadchipcarrier44 48 ceramicleadedchipcarrier40 48 part number of master package temperature burn lead number segments /slave description range flow in finish hi-8020j-85 32 both 44 pin plastic j lead -40c to +85c i no solder hi-8020p-80 38 master 48 pin plastic dip -40c to +85c i no solder hi-8020p-81 38 slave 48 pin plastic dip -40c to +85c i no solder hi-8020s-61 38 master 48 pin ceramic leadless chip carrier -40c to +85c i no gold hi-8020sm-62 38 master 48 pin ceramic leadless chip carrier -55c to +125c m yes solder hi-8020s-63 38 slave 48 pin ceramic leadless chip carrier -40c to +85c i no gold hi-8020sm-64 38 slave 48 pin ceramic leadless chip carrier -55c to +125c m yes solder
hi-8020series symbolfunctiondescription vsspower0volts inputlogicinputchipselect inputlogicinputclocksshiftregisteronnegativeedgeanddoutpinsonpositiveedge ldinputlogicinputsegmentoutputsequalshiftregisterdataifloadishigh dininputlogicinputshiftregisterdatainput lcd0inputanaloginputdisplayclockinputandisalwaysbondedout.canswingfromveetovdd lcd0optoutputanalogoutputbondedoutonlyifanrcoscillatorisrequired vddpower5volts veepowerovoltsto-30volts doutoutputlogicoutputselectedpinoutcanprovideshiftregistertapsatpositions30,32,34,or38 bpoutputdisplaydr iveoutputlowresistancedriveforthebackplaneandswingsfromvddtovee segmentsoutputdisplaydriveoutputhighresistancedriveforeachsegmentandswingsfromvddtovee cs cl holtintegratedcircuits 3-14
packagetype: packagetype: pinno.1ident .045x45 .050 .005 (1.27 .127) .045x45 pinno.1 44-pinplasticplcc seedetail a .172 .008 (4.369 .203) detaila .020min (.508 min ) .025 .045 r .690 .005 (17.526 .127) sq. .610 .020 (15.494 .508) .031 .005 (.787 .127) .653 .004 (16.586 .102) sq. .017 .004 (.432 .102) .015.002 (.381 .051) .009 .011 44j .550 .005 (13.97 .127) 0~15 .660 .020 (16.764 .508) .100 .010 (2.540 .254) .610 .010 (15.494 .254) .170 .005 (4.318 .127) 4 typ. .019 .004 (.483 .102) .050 .010 (1.27 .254) .122 .017 (3.099 .432) .160 .010 (4.064 .254) 2.450 .005 (62.23 .127) 48p 48-pinplasticdip hi-8020packagedimensions inches(millimeters) holtintegratedcircuits 1
packagetype: pin1ident. pin1ident. .040typ. (1.016typ.) .020typ. (.508typ.) .090max. (2.286max.) .563 .009 (14.300 .228) sq. .040 .007 (1.016 .178) 48-pinceramicleadlesschipcarrier 48s hi-8020packagedimensions inches(millimeters) holtintegratedcircuits 2
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