mic8030-01cv Micrel Semiconductor, mic8030-01cv Datasheet

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mic8030-01cv

Manufacturer Part Number
mic8030-01cv
Description
High-voltage Display Driver
Manufacturer
Micrel Semiconductor
Datasheet
MIC8030
MIC8030
General Description
The MIC8030 is a CMOS high voltage liquid crystal display
driver. Up to 38 segments can be driven from four CMOS level
inputs (CLOCK, DATA IN, LOAD and CHIP SELECT). The
MIC8030 is rated at 50V. Data is loaded serially into a shift
register, and transferred to latches which hold the data until
new data is received.
The backplane can be driven from external source, or the
internal oscillator can be used. If the internal oscillator is
used, the frequency of the backplane will be determined by an
external resistor and capacitor. The oscillator need not be
used if a DC output is desired.
Functional Diagram
Data
Clock
CS
Load
LCD0
LCD0 Opt
S
S
S
S
Back Plane
Translator
HV Output
Oscillator
Voltage
Driver
38 Bit Static Shift Register
Voltage Translators
HV Output Drivers
38 Bit Latch
Segments
Data Out 38
Data Out 32
Data Out 30
8-16
Features
• High Voltage Outputs capable of a driving up to 100 volt
• Drives 30, 32, or 38 segments
• Cascadable
• On chip Oscillator or External Backplane Input
• CMOS construction for wide supply range and low
• Schmitt Triggers on all inputs
• CMOS, PMOS, and NMOS compatible
Applications
• Dichroic and Standard Liquid Crystal Displays
• Flat Panel Displays
• Print Head Drives
• Vacuum Fluorescent Displays
Ordering Information
Part Number
MIC8030-01CV
outputs from 5 to 15 volt logic
power consumption
High-Voltage Display Driver
Temperature Range Package
MIC8030
0 C to +70 C
44-pin PLCC
October 1998
Micrel

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mic8030-01cv Summary of contents

Page 1

... CMOS, PMOS, and NMOS compatible Applications • Dichroic and Standard Liquid Crystal Displays • Flat Panel Displays • Print Head Drives • Vacuum Fluorescent Displays Ordering Information Part Number Temperature Range Package MIC8030-01CV Data Out 38 Data Out 32 Data Out 30 8-16 Micrel MIC8030 +70 C 44-pin PLCC ...

Page 2

... MIC8030 may be cascaded by connecting DATA OUT of the previous stage with DATA IN of the next stage; CLOCK, LOAD and CHIP SELECT of all following stages should be tied to the control lines of the first MIC8030. The backplane output of the first stage should be tied to LCD of all following stages, the LCD stages ...

Page 3

... 65V 35V Load Clock CS Data In Data Out Data Out MIC8030 BP LCD0 BP Segments 33-64 Load Clock CS Data In Data Out Data Out MIC8030 *330k LCD0 BP BP Segments 33-64 > 50V. BB 8-18 Q Divide by 256 Counter Reset Q Clock Load Clock CS Data In Data Out MIC8030 LCD0 ...

Page 4

... Micrel +125 C, unless otherwise noted. A Min Typ Max Units 4 250 A 35 250 A 7 100 A V -1 2.5 2.0 V < 0. –0. 100 100 pF 4000 pF + 170 312 1 MIC8030 8 ...

Page 5

... CYC Clock Data In t CCS t CSC Load t CDO Data Out * The CS high-to-low transition will generate a clock pulse. MIC8030 50V, – Min 500 250 100 100 10 220 250 200 300 ...

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