AND491GST/GST-LED
2 lines x 16 Characters
Intelligent Character Display
The AND491GST/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
•
•
•
•
•
•
•
AND491GST: Super Twist Technology
AND491GST-LED: STN with LED backlight
Low voltage, +5V single power supply
Controller on board (HD44780)
Direct interface to 4- or 8-bit CPU
11 commands for control
Wide temperature range option (WGST)
Absolute Maximum Ratings
Item
Supply Voltage
Input Voltage
Operating Temperature
Storage Temperature
Symbol
V
DD
V
IN
T
op
T
stg
Rating
7.0
0
≤
V
IN
≤
V
DD
0 to +50
–20 to +60
Unit
V
V
°C
˚C
Dot Matrix Dimensions
0.55
0.50
2.95
0.60
0.55
0.70
Electrical Characteristics (TA = 25°C)
Item
Supply Voltage
Symbol
V
DD
-V
O
GND
V
IH
V
IL
Min.
4.75
3.0
2.2
–
Typ.
5.0
0
–
–
Max.
5.25
6.3
–
0.6
Unit
V
V
V
4.35
High Level In Voltage
(V
DD
= 5.0V)
Low Level In Voltage
(I
OH
= 0.2 mA)
0.70
High Level Output
Volt.
(–I
OH
= 0.2 mA)
Low Level Output Volt.
(I
OL
= 1.2 mA)
LED Forward Voltage
(I
F
= 150 mA)
LED Reverse Current
(V
R
= 4 V)
V
OH
2.4
–
–
V
Mechanical Characteristics
Item
Outline
Dimensions
Character size
Viewing Area
Bezel Opening
Dot Size
Dot Pitch
Specification
80 (W) x 36 (H) x 11 (D)
2.95 (W) x 4.35 (H)
64.5 (W) x 13.8 (H)
64.5 (W) x 13.8 (H)
0.55 (W) x 0.50 (H)
0.60 (W) x 0.55 (H)
Unit
mm
mm
mm
mm
mm
mm
V
OL
V
F
I
R
–
3.8
–
–
4.1
–
0.4
4.4
100
V
V
µA
Optical Characteristics (TA 5 = 25˚C,
φ
= 0°,
θ
= 0°)
Item
Viewing Angle
Contrast
Turn On
Turn Off
Symbol
φ
K
T
on
T
off
Min.
–
–
–
–
Typ.
50
6.0
200
250
Max.
–
–
400
400
Unit
degree
–
ms
ms
2-10
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94086
Tel: 408.523.8200 • Fax: 408.733.1287 • email@purdyelectronics.com • www.purdyelectronics.com
9/8/98
PURDY [ PURDY ELECTRONICS CORPORATION ]
