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Holt Integrated Circuits - CMOS HIGH VOLTAGE DISPLAY DRIVER

Numéro de référence HI-8120
Description CMOS HIGH VOLTAGE DISPLAY DRIVER
Fabricant Holt Integrated Circuits 
Logo Holt Integrated Circuits 





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HI-8120 fiche technique
September 2006
HI-8020/HI-8120
CMOS HIGH VOLTAGE DISPLAY DRIVER
GENERAL DESCRIPTION
The HI-8020 & HI-8120 high voltage display drivers
are functional replacements for the AMI S5420 and
Micrel MIC8013/8014 series. These CMOS prod-
ucts are designed to drive liquid crystal displays by
converting 5 volt serial data to parallel segment and
backplane waveforms with amplitudes up to 30 volts.
The HI-8020 & HI-8120 differ from the HI-8010 by
only the shift register clock and chip select gating
logic. The HI-8020 has TTL logic inputs whereas the
HI-8120 has CMOS logic inputs.
Both devices can drive up to 38 segments and have 3
possible shift register data taps to provide options to
cascade devices for larger displays. Data is clocked
into a 38 stage shift register and parallel latched
before the output translators by a Load input.
The HI-8020 & HI-8120 are available in ceramic
leadless chip carriers and plastic PLCC packages.
FEATURES
! 5 volt input translated to 30 volts or less
! Pin-out adaptable to drive 30, 32 or 38
LCD segments
! RC oscillator or high voltage (BP) clock input
! TTL compatible inputs (HI-8020 only)
! CMOS compatible inputs (HI-8120 only)
! Low power consumption
! Industrial (-40°C to +85°C) & Military (-55°C
to +125°C) temperature ranges
! Pin for pin compatible with the Micrel
MIC8010/8011 series and the AMI S4520
series drivers
! Cascadable
! Military level processing available
APPLICATIONS
! Dichroic Liquid Crystal Displays
! Standard Liquid Crystal Displays
! Vacuum Fluorescent Displays
! MEMS Drivers
PIN CONFIGURATION (Top View)
6 5 4 3 2 1 44 43 42 41 40
S27 7
39 S17
S28 8
38 S16
S29 9
S30 10
S31 11
S32 12
HI-8020J-85
&
HI-8120J-85
37 S15
36 VEE
35 S14
34 S13
N/C
VSS
CS
CL
13
14
15
16
44 - PIN
PLASTIC
PLCC
33 S12
32 S11
31 S10
30 S9
LD 17
29 S8
18 19 20 21 22 23 24 25 26 27 28
(See page 4 for additional package pin configurations)
FUNCTIONAL BLOCK DIAGRAM
DIN Þ
CL Þ
CS Þ
LD Þ
LCDØ Þ
LCDØ OPT Þ
Oscillator
Divider
Voltage
Translator
High Voltage
Buffer
Þ BP
DATA IN
38 Stage
Shift Register
CLK
Þ DOUT 38
Þ DOUT 32
Þ DOUT 30
LE 3 8 B i t L a t c h
Voltage
Translators
High Voltage
Drivers
SEGMENTS
(DS8020 Rev. E)
HOLT INTEGRATED CIRCUITS
www.holtic.com
09/06

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