
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
7/20/07
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
8V
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 –
VT=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
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