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PDF LM270WQ1-SDDA Data sheet ( Hoja de datos )

Número de pieza LM270WQ1-SDDA
Descripción QHD TFT LCD
Fabricantes LG 
Logotipo LG Logotipo



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No Preview Available ! LM270WQ1-SDDA Hoja de datos, Descripción, Manual

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LM270WQ1
Liquid Crystal Display
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
() Final Specification
Title
BUYER
MODEL
HP
27.0” QHD TFT LCD
SUPPLIER
LG Display Co., Ltd.
*MODEL
LM270WQ1
SUFFIX
SDDA
*When you obtain standard approval,
please use the above model name without suffix
SIGNATURE
/
/
/
DATE
APPROVED BY
J.H. Park / G.Manager
DATE
REVIEWED BY
S.W. Lee / Manager [C]
Y.S. Chung / Manager [M]
D.H. Kang / Manager [P]
PREPARED BY
J.H. Shin / Engineer
Please return 1 copy for your confirmation
With your signature and comments.
Monitor Product Engineering Dept.
LG Display Co., Ltd
Ver. 1.0
Jun. 13. 2011
1 / 29

1 page




LM270WQ1-SDDA pdf
Product Specification
LM270WQ1
Liquid Crystal Display
2. Absolute Maximum Ratings
The following are maximum values which, if exceeded, may cause faulty operation or damage to the unit.
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Power Input Voltage
Power Input Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
Symbol
VLCD
VDPLOGIC
TOP
TST
HOP
HST
Values
Min
-0.3
-0.5
0
-20
10
10
Max
14
4
50
60
90
90
Units
Vdc
Vdc
°C
°C
%RH
%RH
Notes
at 25 2°C
at 25 2°C
1, 2
Note : 1. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be 39 °C Max, and no condensation of water.
2. Storage condition is guaranteed under packing condition
90%
60
Wet Bulb
Temperature [C]
10
0
20
40
30
50
60%
40%
10%
Storage
Operation
-20 0 10 20 30 40 50 60 70 80
Dry Bulb Temperature [C]
Ver. 1.0
Jun. 13. 2011
5 / 29

5 Page





LM270WQ1-SDDA arduino
Product Specification
LM270WQ1
Liquid Crystal Display
3-3. Signal Timing Specifications
All of the interface signal timing should be satisfied with the following specifications for it‟s proper operation.
Table 6. TIMING TABLE (VESA COORDINATED VIDEO TIMING)
ITEM
SYMBOL
Min
Typ Max Unit
Note
DCLK
Period
Frequency
tCLK 4.14 4.14 4.14 ns
fCLK
241.5
241.5
241.5
MHz
-
Hsync
Period
Width-Active
tHP
2720
2720
2720
tCLK
tWH 32 32 32
Period
tVP
1481
1481
1481
tHP
Vsync Frequency
fV
59.95
59.95
59.95
Hz
Width-Active
tWV 5 5 5 tHP
Horizontal Valid
tHV
2560
2560
2560
Horizontal Back Porch
tHBP
80
80
80 tCLK
Horizontal Front Porch
tHFP
48
48
48
Data
Enable
Horizontal Blank
Vertical Valid
- 160 160 160
tVV
1440
1440
1440
tWH+ tHBP+ tHFP
Vertical Back Porch
tVBP
33
33
33
tHP
Vertical Front Porch
tVFP
3
3
3
Vertical Blank
- 41 41 41
tWV+ tVBP+ tVFP
Note: Hsync period and Hsync width-active should be even number times of tCLK. If the value is odd number
times of tCLK, display control signal can be asynchronous. In order to operate this LCM a Hsync,
Vsync, and DE(data enable) signals should be used.
1. The performance of the electro-optical characteristics may be influenced by variance of the vertical
refresh rates.
2. Vsync and Hsync should be keep the above specification.
3. Hsync Period, Hsync Width, and Horizontal Back Porch should be any times of of character
number(8).
4. The polarity of Hsync, Vsync is not restricted.
Ver. 1.0
Jun. 13. 2011
11 / 29

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