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PDF MN863440 Data sheet ( Hoja de datos )
| Número de pieza | MN863440 | |
| Descripción | TFT LCD Gate Driver | |
| Fabricantes | Panasonic | |
| Logotipo |  |
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Color TFT LCD Driver
MN863440
TFT LCD Gate Driver with 200, 240, 256, or 263 Outputs
■ Overview
The MN863440 is a TFT LCD gate driver with 200, 240, 256, or 263 2-value outputs. The number of outputs can
be selected to be any one of these by the user.
This IC implements 2-value (pseudo 3-value) drive, and provides a cascade-connection pin to support large-screen
displays. It is provided in a TCP package.
■ Features
• Adopts a bidirectional shift register system
• Provides an expansion pin so that the number of output pins can be increased.
• Pulse width modulation function (OE1 to OE3)
• Driver operating frequency: 500 kHz (maximum)
• LCD drive voltage: VEE + 40 V (maximum)
• Driver output levels: 2 levels (The low level can be modified.)
• Supports TCP mounting.
■ Applications
• LCD TV sets
■ Block Diagram
VGG
VOFF
VEE
VDD
VSS
XDON
MODE1
MODE2
FX
DIO1
··································
··································
Output circuit
··································
Control circuit
··································
Shift register
OE1
OE2
OE3
RL
DIO2
Publication date: June 2002
SDF00033AEM
1
1 page  
MN863440
■ Pin Descriptions
Pin Name I/O
Function
Description
FX
I Shift register clock input
The start pulse is acquired and the shift register shifted on the
FX rising edge. The carry pulse is output on the FX falling
edge.
RL I Right shift/left shift selection RL = High: X1 → X263 (Left shift)
input
RL = Low: X263 → X1 (Right shift)
DIO1
DIO2
I/O Start pulse input and carry
pulse output
RL = High
DIO1
I
DIO2
O
RL = Low
O
I
MODE1
MODE2
I Output pin count switching
inputs
MODE1
High
High
Low
Low
MODE2
High
Low
High
Low
LCD outputs
263
256
240
200
OE1 to OE3 I Display signal enable/disable When OEn is high, the corresponding LCD drive output pins
inputs
are set to the display off potential (VOFF) asynchronously
with the FX pin, regardless of the states of the shift register
and other input data.
See 3. OE function in the Functional Descriptions section.
X1 to X263 O LCD drive outputs
These pins output, in synchronization with the FX rising edge,
either the VGG or the VOFF voltage level according to the
shift register data and the states of the OE1 to OE3, DIO1,
and DIO2 pins.
VGG Power LCD drive output block
power supply
LCD drive supply 1
Power su'pply for the level shifters and output buffers.
This supply is also used for the LCD drive voltage.
VOFF
VEE
VDD
VSS
Power LCD drive supply 2
Supplies an LCD drive voltage.
Power VGG system ground
Power 3 V system logic power supply Power supply used for the 3 V system logic circuits.
Power VDD system ground
SDF00033AEM
5
5 Page 
Request for your special attention and precautions in using the technical information
and semiconductors described in this book
(1) An export permit needs to be obtained from the competent authorities of the Japanese Govern-
ment if any of the products or technologies described in this book and controlled under the "Foreign
Exchange and Foreign Trade Law" is to be exported or taken out of Japan.
(2) The technical information described in this book is limited to showing representative characteristics
and applied circuits examples of the products. It neither warrants non-infringement of intellectual
property right or any other rights owned by our company or a third party, nor grants any license.
(3) We are not liable for the infringement of rights owned by a third party arising out of the use of the
product or technologies as described in this book.
(4) The products described in this book are intended to be used for standard applications or general
electronic equipment (such as office equipment, communications equipment, measuring instru-
ments and household appliances).
Consult our sales staff in advance for information on the following applications:
• Special applications (such as for airplanes, aerospace, automobiles, traffic control equipment,
combustion equipment, life support systems and safety devices) in which exceptional quality and
reliability are required, or if the failure or malfunction of the products may directly jeopardize life or
harm the human body.
• Any applications other than the standard applications intended.
(5) The products and product specifications described in this book are subject to change without no-
tice for modification and/or improvement. At the final stage of your design, purchasing, or use of the
products, therefore, ask for the most up-to-date Product Standards in advance to make sure that
the latest specifications satisfy your requirements.
(6) When designing your equipment, comply with the guaranteed values, in particular those of maximum
rating, the range of operating power supply voltage, and heat radiation characteristics. Otherwise,
we will not be liable for any defect which may arise later in your equipment.
Even when the products are used within the guaranteed values, take into the consideration of
incidence of break down and failure mode, possible to occur to semiconductor products. Measures
on the systems such as redundant design, arresting the spread of fire or preventing glitch are
recommended in order to prevent physical injury, fire, social damages, for example, by using the
products.
(7) When using products for which damp-proof packing is required, observe the conditions (including
shelf life and amount of time let standing of unsealed items) agreed upon when specification sheets
are individually exchanged.
(8) This book may be not reprinted or reproduced whether wholly or partially, without the prior written
permission of Matsushita Electric Industrial Co., Ltd.
2002 MAY
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| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet MN863440.PDF ] | |
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