
September1999
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.
APPLICATIONS
!
DichroicLiquidCrystalDisplays
!
StandardLiquidCrystalDisplays
PINCONFIGURATION (TopView)
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
100PINQUADCERPACK
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
FEATURES
!
4MHzserialinputdatarate
!
85segmentoutputs
!
Cascadable
!
5Voltinputstranslatedto35Volts
!
estpinsallowhardwareall"ON",all"OFF"or
T
alternating
!
Monitorsbackplaneoscillationandforcesall
segmentsto"OFF"conditionifbelow10Hz
!
Negativevoltageconverteravailableon-chip
!
CMOSlowpower
!
Militaryprocessingavailable
Seepage3-19formagnifiedview
FUNCTIONALBLOCKDIAGRAM
DIN
BPOSC
BPIN
Þ
Þ
CL
Þ
CS
LD
Þ
Oscillator
Þ
Þ
Divider
Voltage
Translator
HighVoltage
Buffer
Þ BP
DATAIN
85Stage
ShiftRegister
CLK
LE
85BitLatch
Voltage
Translators
HighVoltage
Drivers
85SEGMENTS
DOUT
85
HOLTINTEGRATEDCIRCUITS
3-15(DS8040Rev.NEW)9/99

FUNCTIONALDESCRIPTION
HI-8040
INPUTLOGIC
mustbeheldlowtoenterdataintotheshiftregister.
CS
Thedataisclockedonthenegativeedgeof.LDisnor-
CL
mallyheldlowandonlypulsedhighwhennewdataisready
fordisplay.WhenLDishighthelatchistransparent.Allfour
logicinputsareTTLcompatible.Alogic"1"atDINthatis
eventuallylatchedtothesegmentdriverswillcausethesegmenttobeattheoppositevoltageleveloftheBPpin(outof
phase).
BPOSCandBPIN
Theusercaneithermakeanoscillatortocreatethe
backplanefrequencyordriveasignalintoBPINleaving
BPOSCopen.Tomakeanoscillator,pinsBPOSCand
BPINmustbeconnectedtogeth erandtheappropriateR
andCcombinationapplied(SeeFigure1).Iftheoscillatoris
used,thebackplanefrequencyisapproximately
f=.(forR=180KC=220pF,f100Hz).
BPBP
1
256RC
W&»
VEE&NEGATIVEVOLTAGECONVERTER
VEEmaybeexternallydriventoamaximum-30V.Alternatively,thereisavoltageconverterthatwillprovide-21.4volts
(SeeFigure2).Iftheconverterpinsareleftopencircuit,an
on-chipsenseresistorwillcauseshutdownofallcurrent
consumptionassociatedwiththeconverter.Theconverter
willsurviveashortedsegmentconditionandcontinueto
maintainVEEat-20volts.
DOUT
TheDOUTpinisavailablefromsegment85forcascading
devicestodrivemoresegmentsandforverifyingthedata
integrity.Thisoutputcandrive2TTLloads.Itchangesonthe
positiveedgeof.
CL
AUTOMATICSEGMENTSOFF
Theinternalbackplanesignalistestedcontinuouslytobeat
least10Hz.Ifthedetectorsensesf<10Hz,thenthesegments
areforcedtothesamevoltageasthebackplane(allsegments
in"OFF"state).However,thedetectorisonlyfunctionalwhile
VDDisabovetheminimumoperatingvoltagespecification.
TESTINPUTS
Thetestfunctionsavailableare:
T2T1Display
00Normal
01AllOff
10AllOn
11AlternatingOn/OffSegments
Th etestinputsmustbetiedtotheappropriatelogiclevelfor
correctcircuitoperation.
V DD
R330K W
IN5818,IN5819
330µh
V SS
10µF
V SS
HOLTINTEGRATEDCIRCUITS
3-16
R
OSC
SENSE
Control
V DD

VoltagesreferencedtoVSS=0V
SupplyVoltage
Voltageatanyinput,exceptBPIN....-0.3toVDD+0.3V
VoltageatBPINinput.................VDD-35toVDD+0.3V
DCCurrentanyinputpin...................................10mA
NOTE:Stressesabovethoselistedunder"AbsoluteMaximumRatings"maycausepermanentdamagetothedevice.Thesea restressratingsonly.
Functionaloperationofthedeviceattheseoranyotherconditionsabovethoseindicatedintheoperationalsection softhespecificationsisnotimplied.
Exposuretoabsolutemaximumratingconditionsforextendedperiodsmayaffectdevicereliability.
VDD........................
VEE................
VDD-35Vto0V
0Vto7V
PowerDissipation......................................................300mW
OperatingTemperatureRange-Industrial......-40°to+85°C
OperatingTemperatureRange-Hi-Temp/Mil...-55°to+125°C
StorageTemperatureRange............................-65°to+150°C
VDD=5V±5%,VEE=-21.5V,VSS=0V,TA=operatingtemperaturerange(unlessotherwisespecified).
PARAMETERSYMBOLCONDITIONMINTYPMAXUNITS
OperatingVoltageVDD3.07.0V
SupplyCurrent:(ConverterOff,fBP=100Hz)IDDStatic,NoLoad300µA
IEEStatic,NoLoad120µA
InputLowVoltage(excludingBPIN)VIL00.8V
InputHighVoltage(excludingBPIN)VIH2VDDV
InputLowVoltage(BPIN)VILXVEE0.6VDDV
InputHighVoltage(BPIN)VIHX0.8VDDVDDV
InputCurrentIINVIN=0to5V100nA
InputCapacitance(Guaranteed,nottested)CI5pF
SegmentOutputImpedanceRSEGIL=10µA15,000
BackplaneOutputImpedanceRBPIL=10µA600
W
W
DataOutCurrent:SourceCurrentIDOHVOH=4.5-3.0mA
SinkCurrentIDOLVOL=0.43.2mA
VoltageConverter:@NoLoadVE ESeeFig.2-22-21.5-21V
C
(VDD-VSS=5V,TA=25°C)@0.1mALoadIDDSeeFig.21.8mA
@10KLoadVEESeeFig.2-20V
W
C
OffsetVoltage(Guaranteed,nottested)VOSSeeFig.425mV
VDD=5V,VEE=-21.5V,VSS=0V,TA=operatingtemperaturerange(unlessotherwisespecified).
PARAMETERSYMBOLVDDMINTYPMAXUNITS
ClockPeriodnon-cascadedtCL5V250ns
cascadedtCL5V500ns
ClockPulseWidthnon-cascadedtCW5V125ns
cascadedtCW5V250ns
DataIn-SetuptDS5V80ns
DataIn-HoldtDH5V80ns
ChipSelect-SetuptoClocktCSS5V100ns
ChipSelect-HoldtoClocktCSH5V120ns
Load-SetuptoClocktLS5V120ns
ChipSelect-SetuptoLoadtCSL5V0ns
LoadPulseWidthtLW5V130ns
ChipSelect-HoldtoLoadtLCS5V120ns
DataOutValid,fromClocktCDO5V170ns
HOLTINTEGRATEDCIRCUITS
3-18

HI-8040
ORDERINGINFORMATION
PARTPACKAGETEMPERATUREBURNLEAD
NUMBERDESCRIPTIONRANGEFLOWINFINISH
HI-8040Q-40°Cto+85°CINOSOLDER100-PINCERAMICQUADFLATPACK(CQFP)
HI-8040QT100-PINCERAMICQUADFLATPACK(CQFP)-55°Cto+125°CTNOSOLDER
HI-8040QM-01100-PINCERAMICQUADFLATPACK(CQFP)-55°Cto+125°CMYESSOLDER
MAGNIFIEDVIEWOFPINASSIGNMENTS
S60
S61
S62
S63
S64
S65
S66
S67
S68
S69
S70
S71
S72
S73
S74
S75
S76
S77
S78
S79
100
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100PINQUADCERPACK
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
Pin1
HOLTINTEGRATEDCIRCUITS
3-19

100-PINCERAMICQUADFLATPACK
.014 ± .002TYP
(.356 ± .051TYP)
Pin1
.0256 ± .002TYP
(.6502 ± .051TYP)
HI-8040PACKAGEDIMENSIONS
inches(millimeters)
.654 ± .012
(16.612 ± .305)
.551 ± .006
(13.995 ± .152)
PackageType:
.718 ± .014
(18.237 ± .356)
100CQR
.008TYP
(.203TYP)
.890 ± .012
(22.606 ± .305)
.787 ± .007
(19.99 ± .178)
.954 ± .014
(24.23 ± .356)
DetailA
.032 ± .008
(.813 ± .203)
.170MAX
(4.318MAX)
.0065 ± .0015
(.165 ± .038)
0 °ΤΟ 7 °
DetailA
HOLTINTEGRATEDCIRCUITS
1