AND721GST/GST-LED
Intelligent Character Display
AND721GST/GST-LED
4 Lines x 20 Characters
Intelligent Character Display
The AND721GST/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.
Absolute Maximum Ratings (Continued)
Features
•
•
•
•
•
•
•
• RoHS Compliant
Item
LED Reverse Voltage
LED Power Dissipation
Operating Tempera-
ture
Storage Temperature
Symbol
V
R
P
D
T
op
T
stg
Rating
8
1900
0 to +50
-20 to +60
Unit
V
mW
°C
°C
AND721GST: Super Twist Technology
AND721GST-LED: STN with LED backlight
Low voltage, +5V single power supply
Controller on board (HD44780)
RoHS compliant
11 commands for control
Wide temperature range option (WGST)
0.60
0.55
Dot Matrix Dimensions
2.95
0.60
0.55
0.60
Electrical Characteristics (TA = 25°C)
Item
Supply Voltage
Symbo
l
V
DD
V
DD
-V
O
V
IN
V
IH
V
OH
V
OL
V
F
I
R
Min.
4.75
3.0
–
0
2.4
–
3.8
–
Typ.
5.0
–
–
–
–
–
4.1
–
Max.
5.25
6.3
V
DD
0.6
–
0.4
4.4
2.4
Unit
V
V
V
V
V
V
mA
4.75
High Level In Voltage
(V
DD
= 5.0V)
0.60
Low Level In Voltage
(I
OH
= 0.2 mA)
High Level Output Volt.
(–I
OH
= 0.2 mA)
Mechanical Characteristics
Item
Outline
Dimensions
Character Size
Viewing Area
Dot Size
Dot Pitch
Specification
98 (W) x 60 (H) x 12 (D)
2.95 (W) x 4.75 (H)
76.0 (W) x 25.2 (H)
0.55 (W) x 0.55 (H)
0.60 (W) x 0.60 (H)
Unit
mm
mm
mm
mm
mm
Low Level Output Volt.
(I
OL
= 1.2 mA)
LED Forward Voltage
(I
F
= 230 mA)
LED Reverse Current
(V
R
= 8 V)
Optical Characteristics (TA 5 = 25˚C,
φ
= 0°,
θ
= 0°)
Item
Symbol
f
K
T
on
T
off
Min.
–
–
–
–
Typ.
50
6.0
200
250
Max.
–
–
400
400
Unit
degree
–
ms
ms
Viewing Angle
Absolute Maximum Ratings
Item
Supply Voltage
Input Voltage
LED Forward Current
Symbol
V
DD
V
IN
I
F
Rating
7.0
0
≤
V
IN
≤
V
DD
480
Unit
V
V
mA
Contrast
Turn On
Turn Off
Product specifications contained herein may be changed
without prior notice. It is therefore advisable to contact
Purdy Electronics before proceeding with the design of
equipment incorporating this product.
7-27-99
1
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408.523.8200 • Fax: 408.733.1287 •
sales@purdyelectronics.com
• www.purdyelectronics.com
PURDY [ PURDY ELECTRONICS CORPORATION ]
