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Technical Data
Electrical Characteristics
Item
Syn
Conditions
Min
Type
Max
Unit
Supply Voltage for LCD
VDD-VO
Ta=0°C,Ta=25°C,Ta=50°C
4.5
V
Input High Vol.
VIH
2.2
VDD
V
Input Low Vol.
VIL
0.3
0.6
V
Output High Vol.
VOH
2.4
V
Output Low Vol.
VOL
0.4
V
Supply Current
IDD
VDD=5V
2.0
4.0
mA
Absolute Maximum Ratings
Item
Symbol
Min
Type
Max
Unit
Operating Temperature
TOP
0
+50
°C
Storage Temperature
TST
-20
+70
°C
Input Voltage
VI
Vss
VDD
V
Supply Voltage for Logic
VDD-Vss
2.7
5.0
5.5
V
Supply Voltage for LCD
VDD-V0
3.0
13.0
V
Thickness
Version
T1
T2
Units
EL&No Backlight
4.9
10.0
mm
LED Backlight
4.9
10.0
mm
Interface Pin Connections
Symbol
Level
Function
No.
Symbol
Level
Function
1
Vss
GND(OV)
9
DB 2
H/L
Data Bit 2
2
VDD
VCC(+5V±5%)
10
DB 3
H/L
Data Bit 3
3
Vo
Contrast ADJ
11
DB 4
H/L
Data Bit 4
4
RS
H/L
Register Select
12
DB 5
H/L
Data Bit 5
5
R/W
H/L
Read/Write
13
DB 6
H/L
Data Bit 6
6
E
H.H-L
Enable Signal
14
DB 7
H/L
Data Bit 7
7
DB 0
H/L
Data Bit 0
15
NC
8
DB 1
H/L
Data Bit 1
16
NC
Display Character Address Code
Display Position
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
DD RAM Address
80
81
82
83
84
85
86
87
88
89
8A
8B
8C
8D
8E
8F
DD RAM Address
C0
C1
C2
C3
C4
C5
C6
C7
C8
C9
CA
CB
CC
CD
CE
CF
Controller Data Sheet
Data Sheet
Controller Data Sheet - HD44780