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NXP Semiconductors Electronic Components Datasheet

OM4068 Datasheet

LCD driver for low multiplex rates

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INTEGRATED CIRCUITS
DATA SHEET
OM4068
LCD driver for low multiplex rates
Product specification
File under Integrated Circuits, IC12
1998 Jun 18


NXP Semiconductors Electronic Components Datasheet

OM4068 Datasheet

LCD driver for low multiplex rates

No Preview Available !

Philips Semiconductors
LCD driver for low multiplex rates
Product specification
OM4068
FEATURES
Single-chip LCD controller/driver
Static/duplex/triplex drive modes with up to
32/64/96 LCD segments drive capability per device
Selectable backplane drive configuration: static or
2 or 3 backplane multiplexing
Selectable display bias configuration drive: static, 12 or
13
32 segment drivers
Serial data input (word length 32 to 96 bits)
On-chip generation of intermediate LCD bias voltages
2 MHz fast serial bus interface
CMOS compatible
Compatible with any 4-bit, 8-bit or 16-bit
microprocessors/microcontrollers
May be cascaded for large LCD applications
Logic supply voltage range (VDD VSS) of 2.5 to 5.5 V
Display supply voltage range (VLCD VSS) of
3.5 to 6.5 V
Low power consumption, suitable for battery operated
systems
No external components needed by the oscillator
Manufactured in silicon gate CMOS process.
APPLICATIONS
Telecom equipment
Portable instruments
Alarm systems
Automotive equipment.
GENERAL DESCRIPTION
The OM4068 is a low-power CMOS LCD driver, designed
to drive Liquid Crystal Displays (LCDs) with low multiplex
rates. It generates the drive signals for any static or
multiplexed LCD containing up to three backplanes and up
to 32 segment lines and can be easily cascaded for larger
LCD applications. All necessary functions for the display
are provided in a single chip, including on-chip generation
of LCD bias voltages, resulting in a minimum of external
components and lower power consumption. A 3-line bus
structure enables serial data transfer with most
microprocessors/microcontrollers. All inputs are CMOS
compatible.
ORDERING INFORMATION
TYPE NUMBER
OM4068H(1)
OM4068P
OM4068U/5(2)
OM4068U
NAME
QFP44
DIP40
die
tray
PACKAGE
DESCRIPTION
plastic quad flat package; 44 leads (lead length 1.3 mm);
body 10 × 10 × 1.75 mm
plastic dual in-line package; 40 leads (600 mil)
unsawn wafer
chip in tray
Notes
1. Gull Wing package.
2. For details see Chapter “Bonding pad locations”.
VERSION
SOT307-2
SOT129-1
1998 Jun 18
2


Part Number OM4068
Description LCD driver for low multiplex rates
Maker NXP
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OM4068 Datasheet PDF






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