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PDF LG1281281-DW Data sheet ( Hoja de datos )
| Número de pieza | LG1281281-DW | |
| Descripción | LCD Module | |
| Fabricantes | ETC | |
| Logotipo |  |
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LG1281281-DW 128 x 128 dots + white led backlight
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ABSOLUTE MAXIMUM RATINGS
Item
Supply Voltage(Logic)
Supply Voltage(LCD)
Input Voltage
Operating Temp.
Storage Temp.
Symbol
VDD - VSS
VDD- VO
VI
Topr
Tstg
Min.
-0.3
-0.3
-0.3
-20
-30
Max.
7.0
25.0
VDD + 0.3
70
80
MECHANICAL DATA
Unit Item
Nominal Dimensions
V Module Size ( W x H x T ) 85.0 x 100.0 x 14.0
V Viewing Area ( W x H ) 62.0 x 62.0
V Dot Pitch ( W x H )
°C Dot Size ( W x H )
°C Weight
0.43 x 0.43
0.39 x 0.39
Approx. 120
Unit
mm
mm
mm
mm
g
ELECTRICAL CHARACTERISTICS ( VDD=5V±0.25V )
Item
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Supply Current
LCD Driving Voltage
Symbol
VIH
VIL
VOH
VOL
I DD
VDD - VO
Test
Condition
--
--
--
--
VDD = 5.0V
Ta=25°C
Min. Typ.
VDD-2.2 --
- 0.3 --
VDD-0.3 --
0 --
-- 15.0
-- 18.2
Max. Unit
VDD
0.8
VDD
0.3
20.0
--
V
V
V
V
mA
V
BLOCK DIAGRAM
/WR
/RD
/CE
C/D
DB0
I
DB7
/RST
FS
FG
VSS
VDD
VO
VOUT
LCD
Controller
LSI
T6963C
Common
Driver
128
x2
LCD PANEL
128 x 128 dots
32K RAM
128
Segment Driver
x2
Power
Circuit
To LSI
LEDA
LEDK
LED Backlight
PIN CONNECTIONS
Pin Symbol Level
Function
1 FG
--
2 VSS
0V
3 VDD
+5V
4 VO
--
5 /WR
L
6 /RD
L
7 /CE_
8 C/D
L
H/L
9 NC
--
10 /RST
L
11 DB0
H/L
12 DB1
H/L
13 DB2
H/L
14 DB3
H/L
15 DB4
H/L
16 DB5
H/L
17 DB6
18 DB7
H/L
H/L
19 FS
H/L
20 VOUT -15V
Frame ground
GND
Power supply for logic
Operating voltage for LCD
Write signal, active "L"
Read signal, active "L"
Chip enable singal, active "L"
L : Data H : Instruction code
No connection
Reset signal, active "L"
Data bus line
Font selection L: 8x8, H: 6x8
Output voltage for LCD driving
LED BACKLIGHT SPECIFICATIONS (Ta=25°C)
Item
Forward Voltage
Forward Current
LED Color
Symbol
Vf
If
Typ.
3.1
105
White
Max.
3.3
--
Unit
V
mA
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| PDF Descargar | [ Datasheet LG1281281-DW.PDF ] | |
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