LCD 8*2 Characters- Blue back light
Introduction


Schematic

Specification
Absolute Maximum Ratings
Item
|
Symbol
|
Min
|
Max
|
Unit
|
Supply Voltage (Logic)
|
VDD-VSS
|
-0.3
|
7.0
|
V
|
Supply Voltage (LCD)
|
VDD-VO
|
-0.3
|
13.0
|
V
|
Input Voltage
|
VI
|
-0.3
|
VDD+0.3
|
V
|
Operating Temp
|
Topr
|
0
|
50
|
℃
|
Storage Temp.
|
Tstg
|
-10
|
60
|
℃
|
Mechanical Data
Item
|
Nominal Dimensions
|
Unit
|
Module Size(W×H×T)
|
58.0×32.0×9.5
|
mm
|
Viewing Area(W×H)
|
36.0×15.0
|
mm
|
Character Size(W×H)
|
2.45×5.0
|
mm
|
Dot Size(W×H)
|
0.45×0.5
|
mm
|
Weight
|
|
g
|
Electrical Chatacteristics
(VDD=5V±0.25V)
Item
|
Symbol
|
Test Condition
|
Min
|
Typ
|
Max
|
Unit
|
Input High Voltage
|
VIH
|
-
|
2.2
|
-
|
VDD
|
V
|
Input Low Voltage
|
VIL
|
-
|
-0.3
|
-
|
0.6
|
V
|
Output High Voltage
|
VOH
|
IOH=0.3mA
|
2.4
|
-
|
VDD
|
V
|
Output Low Voltage
|
VOL
|
IOL=1.2mA
|
0
|
-
|
0.4
|
V
|
Supply Current
|
IDD
|
VDD=5.0V
|
-
|
1.2
|
3.0
|
mA
|
LCD Driving Voltage
|
VDD - VO
|
Ta=25℃
|
-
|
5.0
|
-
|
V
|
LED Backlight Specifications (Ta=25℃)
Item
|
Symbol
|
Typ
|
Max
|
Unit
|
Forward Voltage
|
Vf
|
4.05
|
4.25
|
V
|
Forward Current
|
If
|
60
|
-
|
mA
|
Emission Wave Length
|
λp
|
568
|
-
|
nm
|
Pin definition and Rating
Pin
|
Symbol
|
Level
|
Function
|
1
|
VSS
|
-
|
GND(0V)
|
2
|
VDD
|
-
|
Supply Voltage for Logic (+5V)
|
3
|
VO
|
-
|
LCD Driving Voltage
|
4
|
RS
|
H/L
|
H:Data
L:Instruction Code
|
5
|
R/W
|
H/L
|
H:Read
L:Write
|
6
|
E
|
H,H->L
|
Enable Signal
|
7
|
DB0
|
H/L
|
Data Bus Line
|
8
|
DB1
|
H/L
|
9
|
DB2
|
H/L
|
10
|
DB3
|
H/L
|
11
|
DB4
|
H/L
|
12
|
DB5
|
H/L
|
13
|
DB6
|
H/L
|
14
|
DB7
|
H/L
|
15
|
LEDA
|
-
|
LED Backlight Power Supply
|
16
|
LEDK
|
-
|
Mechanic Dimensions

Resources
Help us make it better
Welcome to the new documentation system of Seeed Studio. We have made a lot of progress comparing to the old wiki system and will continue to improve it to make it more user friendly and helpful. The improvement can't be done without your kindly feedback. If you have any suggestions or findings, you are most welcome to submit the amended version as our contributor via Github or give us suggestions in the survey below, it would be more appreciated if you could leave your email so that we can reply to you. Happy Hacking!