0 ≤
≤
AND791GST/GST-LED
4 Lines x 40 Characters
Intelligent Character Display
The AND791GST/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
• AND791GST: Super Twist Technology
• AND791GST-LED: STN with LED backlight
• 5 x 7 Dots with Cursor
• Built-in Controller (KS0066 or equivalent)
• 5V Power Supply
• 1/16 Duty Cycle
• 4.2V LED Forward Voltage
Mechanical Characteristics
Item
Module Size
Specification Unit
190.0 (W) x 54.0 (H) x 8.8 (D)
(13.0 LED)
mm
Viewing Area 149 (W) x 29.5 (H) mm
Character Size 2.78 (W) x 4.89 (H) mm
Character Pitch 3.53 (W) x 5.49 (H) mm
Dot Size 0.50 (W) x 0.55 (H) mm
Dot Pitch 0.57 (W) x 0.62 (H) mm
Absolute Maximum Ratings
Item
Supply Voltage
Input Voltage
LED Forward Current
LED Reverse Voltage
LED Power Dissipation
Operating Temperature
Storage Temperature
Symbol Rating Unit
V
DD
V
IN
I
F
V
R
P
D
T
op
T
stg
7.0 V
V
V
IN
DD
960 mA
8V
4160 mW
0 to +50 °C
–20 to +70 °C
Electrical Characteristics (TA = 25°C)
Item
Symbol
Conditi
on
Min. Typ. Max. Unit
T=0ºC – 4.8 – V
LCD Operating
Voltage
Supply Voltage
Supply Current
“High”
Input
Level
Volt-
“Low”
age
Level
“High”
Out-
Level
put
Volt-
“Low”
age
Level
-V
V
T=25ºC – 4.5 –
DD
O
T=50ºC – 4.2
V
DD
-V
I
DD
V
IH
V
IL
V
OH
V
OL
– 4.7 5 5.3 V
SS
– – 5.2 10.8 mA
– 2.2 —
– 0 – 0.6 V
– 2.4 – – V
– – – 0.4 V
V
–
DD
V
V
V
V
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.
1
Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
7/20/07
AND791GST/GST-LED
Intelligent Character Display
Connector Pin Assignment
Pin No.
Signal Function
1
2
3
4
5
6
7
8
DB
DB
DB
DB
DB
DB
DB
DB
9
E
7
6
5
4
3
2
1
0
1
Data Bit 7
Data Bit 6
Data Bit 5
Data Bit 4
Data Bit 3
Data Bit 2
Data Bit 1
Data Bit 0
Enable IC1
10 R/W Read/Write
11 RS Register Select
12
13
14
15
V
Contrast Adjustment
O
V
V
SS
DD
E
2
0V
5V
Enable IC2
16 NC No Control
Power Supply Block Diagram
Dimensional Outline
7/20/07
Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
2
AND791GST/GST-LED
Intelligent Character Display
3
Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
7/20/07
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