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Laurel
Laurel

LG122325-DW Datasheet

LCD Module


LG122325-DW Datasheet Preview


LG122325-DW 122 x 32 dots + white led backlight
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built in Chinese font
ABSOLUTE MAXIMUM RATINGS
Item
Symbol
Supply Voltage(Logic)
Supply Voltage(LCD)
Input Voltage
Operating Temp.
Storage Temp.
VDD - VSS
VO - VSS
VI
Topr
Tstg
Min.
-0.3
-0.3
-0.3
-20
-30
Max.
7.0
7.0
VDD+ 0.3
70
80
MECHANICAL DATA
Unit Item
Nominal Dimensions
V Module Size ( W x H x T ) 74.0 x 35.0 x 13.5
V Viewing Area ( W x H ) 60.5 x 18.5
V Dot Pitch ( W x H )
°C Dot Size ( W x H )
0.44 x 0.49
0.40 x 0.45
°C Weight
Approx. 38
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
VO - VSS
Test
Condition
Min.
-- 0.7VDD
-- - 0.3
IOH = - 0.1mA 0.8VDD
IOL = 0.1mA --
VDD = 5.0V
Ta=25°C
--
--
Typ. Max. Unit
-- VDD V
-- 0.6 V
-- VDD V
-- 0.1VDD V
3.0 5.0 mA
6.5 -- V
BLOCK DIAGRAM
VSS
VDD
CS
SID
SCLK
/RST
LCD
Controller
LSI
ST7920
32 COM
64 SEG
LCD PANEL
122 x 32 dots
58 SEG
ST7921
PIN CONNECTIONS (CN1/CN2)
Pin Symbol Level
Function
1 VSS
0V GND
2 VDD
+5V Power supply for logic
3 CS
H/L Chip enable signal, active "H"
4 SID
H/L Serial data input
5 SCLK H/L Serial clock input
6 /RST
L Reset signal, active "L"
7 LEDA
8 LEDK
+5V
Power supply for LED backlight
0V
LEDA
LEDK
LED Backlight
LED BACKLIGHT SPECIFICATIONS (Ta=25°C)
Item
Forward Voltage
Forward Current
LED Color
Symbol
Vf
If
Typ.
3.1
30
White
Max.
3.3
--
Unit
V
mA
Page 1
Part Number LG122325-DW
Manufactur Laurel
Description LCD Module
Total Page 1 Pages
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LG122325-DW datasheet
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LG122325-DW datasheet
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