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PDF LG128644-DW Data sheet ( Hoja de datos )
| Número de pieza | LG128644-DW | |
| Descripción | LCD Module | |
| Fabricantes | ETC | |
| Logotipo |  |
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LG128644-DW 128 x 64 dots + white led backlight
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ABSOLUTE MAXIMUM RATINGS
Item Symbol
Supply Voltage(Logic)
Supply Voltage(LCD)
Input Voltage
Operating Temp.
Storage Temp.
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 ) 78.0 x 70.0 x 13.5
V Viewing Area ( W x H ) 62.0 x 44.0
V Dot Pitch ( W x H )
°C Dot Size( W x H )
0.44 x 0.60
0.40 x 0.56
°C Weight
Approx. 80
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 --
-- 10.0
-- 10.5
Max. Unit
VDD
0.8
VDD
0.3
15.0
--
V
V
V
V
mA
V
BLOCK DIAGRAM
/WR
/RD
/CE
C/D
DB0
I
DB7
/RST
FS
LCD
Controller
LSI
T6963C
Common
Driver
x1
64
LCD PANEL
128 x 64 dots
32K RAM
128
Segment Driver
x2
FG J1
VSS
VDD
Power
VO Circuit
To LSI LEDA
LEDK
LED Backlight
PIN CONNECTIONS
Pin Symbol
1 FG
2 VSS
3 VDD
4 VO
5 /WR
6 /RD
7 /CE_
8 C/D
9 /RST
10 DB0
11 DB1
12 DB2
13 DB3
14 DB4
15 DB5
16 DB6
17 DB7
18 FS
19 LEDK
20 LEDA
Level
--
0V
+5V
--
L
L
L
H/L
L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
0V
+5V
Function
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
Reset signal, active "L"
Data bus line
Font selection L: 8x8, H: 6x8
Power supply for LED backlight
LED BACKLIGHT SPECIFICATIONS (Ta=25°C)
Item
Forward Voltage
Forward Current
LED Color
Symbol
Vf
If
Typ.
3.1
60
White
Max.
3.3
--
Unit
V
mA
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