Displays
Displays
AND591GST/GST-LED
2 Lines x 40 Characters
Intelligent Character Display
The AND591GST/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
• 5 x 7 dots with cursor
• Built-in controller (KS0066 or equivalent)
• 5V Power supply
• RoHS compliant
• 4.2V LED Forward Voltage
Dot Matrix Dimensions
Mechanical Characteristics
Item Specification Unit
Outline
Dimensions
182 (H) x 33.5 (V) x 8.8 (D)
(12.7 LED)
mm
Character Size 3.20 (H) x 5.55 (V) mm
Character
Pitch
3.70 (H) x 5.95 (V) mm
Viewing Area 154 (H) x 15.3 (V) mm
Dot Size 0.60 (H) x 0.65 (V) mm
Dot Pitch 0.65 (H) x 0.70 (V) mm
Absolute Maximum Ratings
Item Symbol Rating Unit
Supply Voltage
Input Voltage
LED Forward Current
V
DD
V
IN
I
F
7.0 V
0 ≤ V
≤ V
IN
520 mA
DD
Absolute Maximum Ratings (Continued)
Item Symbol Rating Unit
LED Reverse Voltage
LED Power Dissipation
Operating Temperature
Storage Temperature
V
R
P
D
T
op
T
stg
4V
2240 mW
0 to +50 °C
–20 to +60 °C
Electrical Characteristics (TA = 25°C)
Item Symbol Cond. Min. Typ. Max. Unit
T=0 °C – 4.8 –
-V
LCD Operating Voltage
V
DD
O
VT=25 °C – 4.5 –
T=50 °C – 4.2 –
Supply Voltage
Supply Current
Input
Voltage
Output
Voltage
“High” Level
“Low” Level
“High” Level
“Low” Level
V
DD
I
DD
V
IH
V
IL
V
OH
V
OL
– 4.7 5 5.3 V
SS
– – 3.2 6 mA
– 2.2 –
– 0 – 0.6
– 2.4 – –
– – – 0.4
V
DD
V
V
-V
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
Turn Off
T
on
T
off
– 200 400 ms
– 100 400 ms
Product specifications contained herein may be changed
without prior notice. It is therefore advisable to contact
Purdy Electronics before proceeding with the design of
V
equipment incorporating this product.
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Displays
Displays
Connector Pin Assignment
Pin
No.
Signal Function
1
2
3
V
V
V
SS
DD
O
0V
5V
Contrast Adj.
4 RS Register Select
5 R/W Read/Write
6 E Enable Signal
7 DB0 Data Bit 0
8 DB1 Data Bit 1
9 DB2 Data Bit 2
10 DB3 Data Bit 3
11 DB4 Data Bit 4
12 DB5 Data Bit 5
13 DB6 Data Bit 6
14 DB7 Data Bit 7
15 A LED Power
16 K LED Power
AND591GST/GST-LED
Intelligent Character Display
Power Supply
LCD panel is driven by the voltage V
V
is required for contrast control and temperature
O
compensation.
Temperature Variations
Temperature
0°C 5.00
+25°C 4.75
+50°C 4.50
Power Supply Block Diagram
–V
, so an adjustable
DD
O
V
DD
–V
O
Block Diagram
Dimensional Outline
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
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