Purdy AND481GST User Manual
And481gst/gst-led, Features
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
7/20/07
Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.ANDdisplays.com
1
AND481GST/GST-LED
2 Lines x 16 Characters
Intelligent Character Display
The AND481GST/GST-LED devices are compact, LCD
modules that have an on-board LCD controller and driver
circuit. These devices can display 160 characters (numerals,
letters, symbols and Kana letters), as well as eight custom
characters.
Features
• 5 x 7 Dots with cursor
• Built-in controller (HD44780U or equivalent)
• 5V Power supply
• 1/16 Duty cycle
• 4.2V LED Forward voltage
• Dot Matrix Dimensions
Mechanical Characteristics
Item
Specification
Unit
Outline
Dimensions
85.0 (H) x 30.0 (V) x 8.8 (D)
(12.7 LED)
mm
Character Size
2.96 (H) x 5.56 (V)
mm
Character
Pitch
3.55 (H) x 5.94 (V)
mm
Viewing Area
65.0 (H) x 16.0 (V)
mm
Dot Size
0.56 (H) x 0.66 (V)
mm
Dot Pitch
0.60 (H) x 0.70 (V)
mm
Absolute Maximum Ratings
Item
Symbol
Rating
Unit
Supply Voltage
V
DD
7.0
V
Input Voltage
V
IN
0 ≤ V
IN
≤ V
DD
V
0.04
0.56
2.96
3.55
0.04
0.66
5.56
5.94
SCALE 4/1
LED Forward Current
I
F
200
mA
LED Reverse Voltage
V
R
8
V
LED Power Dissipation
P
D
920
mW
Operating Temperature
T
op
0 to +50
°C
Storage Temperature
T
stg
–20 to +60
°C
Electrical Characteristics (TA = 25°C)
Item
Symbol
Cond.
Min. Typ. Max. Unit
LCD Operating Voltage
V
DD
-V
O
T=0 °C
–
4.8
–
V
T=25 °C
–
4.5
–
T=50 °C
–
4.2
–
Supply Voltage
V
DD
-V
SS
–
4.7
5
5.3
V
Supply Current
I
DD
–
–
3.2
6
mA
Input
Voltage
“High” Level
V
IH
–
2.2
–
V
DD
V
“Low” Level
V
IL
–
0
–
0.6
Output
Voltage
“High” Level
V
OH
–
2.4
–
–
V
“Low” Level
V
OL
–
–
–
0.4
Optical Characteristics (TA = 25˚C,
f
= 0°,
q
= 0°)
Item
Symbol
Min.
Typ.
Max.
Unit
Viewing Angle
f
–
50
–
degree
Contrast
K
–
6.0
–
–
Turn On
T
on
–
200
400
ms
Turn Off
T
off
–
250
400
ms
Absolute Maximum Ratings
(Continued)
Item
Symbol
Rating
Unit
• RoHS Compliant