Search
Departments

Integrated Circuits

Transistors

Diodes

Resistors

Capacitors

LED's / LCD's

 General

 LED Displays

 LED Matrix

 LCD Displays

 Infrared

 OptoIsolators

 Optical Switch

Potentiometers

Switches

Relays

Heatsinks

Sockets

Connectors

Others
Need Help

Contact Us

News

Latest Products

Ordering Information
|
|
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 |
| 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 |
A |
BKL+ |
Backlight Positive |
| 8 |
DB 1 |
H/L |
Data Bit 1 |
16 |
K |
BKL- |
Backlight Negative |
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 |
 |
|
|
|