Displays
AND501GST/GST-LED
20 Characters x 2 Lines
Intelligent Alphanumeric Displays
The AND501GST/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
•
•
•
•
•
•
• RoHS Compliant
Absolute Maximum Ratings (Continued)
Item
Operating Temperature
Storage Temperature
Symbol
T
op
T
stg
Rating
0 to +50
–20 to +60
Unit
°C
°C
AND501GST: Super Twist Technology
AND501GST-LED: STNwith LED backlight
Low voltage, +5V single power supply
Controller on board (HD44780)
RoHS compliant
11 commands for control
Electrical Characteristics (TA = 25°C)
Item
Symbol
V
DD
GND
V
F
I
R
V
IH
V
IL
V
OH
V
OL
Min.
4.75
–
3.8
–
2.2
0
2.4
–
Typ.
5.0
0
4.1
–
–
–
–
–
Max.
5.25
–
4.4
2.2
–
V
0.6
–
V
0.6
Unit
V
V
mA
Dot Matrix Dimensions
3.20
0.60
0.05
0.50
Supply Voltage
LED Forward Voltage
(I
F
= 200 mA)
LED Reverse Current
(V
R
= 8 V)
Input
Voltage
“High” Level
(V
DD
= 5.0 V)
“Low” Level
(I
OH
= 0.2 mA)
“High” Level
(-I
OH
= 0.2 mA)
“Low” Level
(I
OL
= 1.2 mA)
Mechanical Characteristics
Item
Outline
Dimensions
Character Size
Viewing Area
Dot Size
Dot Pitch
Specification
116 (H) x 37 (V) x 11 (D)
3.20 (H) x 5.55 (V)
83.0 (H) x 18.6 (V)
0.60 (H) x 0.65 (V)
0.65 (H) x 0.70 (V)
Unit
mm
mm
mm
mm
mm
Output
Voltage
0.40
5.55
0.65
0.05
Optical Characteristics (TA = 25˚C,
φ
= 0°,
θ
= 0°
)
Item
Viewing Angle
Contrast
Turn On
Symbol
φ
K
T
on
T
off
Min.
-10
–
–
–
Typ.
25
3.0
200
250
Max.
40
–
400
400
Unit
degree
–
ms
ms
Absolute Maximum Ratings
Item
Supply Voltage
Input Voltage
LED Forward Current
LED Reverse Voltage
LED Power Dissipation
Symbol
V
DD
V
IN
I
F
V
R
P
D
Rating
7.0
0
≤
V
IN
≤
V
DD
275
8
1270
Unit
V
V
mA
V
mW
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.
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
T l 408 23 8200 F
408 33 128
l @
d l t
i
ANDdi l
1
Displays
Connector Pin Assignment
Pin
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Signal
GND
V
DD
V
D
RS
R/W
E
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
LED
LED
LED Anode
LED Cathode
Data Bus
DB0-DB7 are for 8-bit operation
DB4-DB8 are for 4-bit operation
Ground
+5 Power Supply
LCD Drive Voltage
“H” Data Input
“L” Command Input
Read/Write
Enable Signal
Function
AND501GST/GST-LED
Intelligent Character Display
Power Supply
LCD panel is driven by the voltage V
DD
–V
O
, so an adjustable
V
O
is required for contrast control and temperature
compensation.
Temperature Variations
Temperature
0°C
+25°C
+50°C
Power Supply Block Diagram
V
DD
–V
O
4.80
4.65
4.35
Block Diagram
Dimensional Outline
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
T l 408 23 8200 F
408 33 128
l @
d l t
i
ANDdi l
2
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