PURDY AND791GST

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
Item
LCD Operating
Voltage
Symbol
VDD -VO
Supply Voltage VDD -VSS
Mechanical Characteristics
Specification
Unit
Module Size
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
Item
Electrical Characteristics (TA = 25°C)
Conditi
on
Min.
Typ.
Max.
Unit
T=0ºC
–
4.8
–
V
T=25ºC
–
4.5
–
V
T=50ºC
–
4.2
–
V
–
4.7
5
5.3
V
Supply Current
IDD
–
–
5.2
10.8
mA
“High”
Level
VIH
–
2.2
—
VDD
V
“Low”
Level
VIL
–
0
–
0.6
V
“High”
Level
VOH
–
2.4
–
–
V
“Low”
Level
VOL
–
–
–
0.4
V
Input
Voltage
Output
Voltage
Absolute Maximum Ratings
Item
Symbol
Rating
Unit
Supply Voltage
VDD
7.0
V
Input Voltage
VIN
0 ≤ VIN ≤ VDD
V
LED Forward Current
IF
960
mA
LED Reverse Voltage
VR
8
V
LED Power Dissipation
PD
4160
mW
Operating Temperature
Top
0 to +50
°C
Storage Temperature
Tstg
–20 to +70
°C
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
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.purdyelectronics.com
7/20/07
AND791GST/GST-LED
Intelligent Character Display
Connector Pin Assignment
Power Supply Block Diagram
Pin No.
Signal
1
DB7
Data Bit 7
2
DB6
Data Bit 6
3
DB5
Data Bit 5
4
DB4
Data Bit 4
5
DB3
Data Bit 3
6
DB2
Data Bit 2
7
DB1
Data Bit 1
8
DB0
Data Bit 0
9
E1
Enable IC1
10
R/W
Read/Write
11
RS
Register Select
12
VO
Contrast Adjustment
13
VSS
0V
14
VDD
5V
15
E2
Enable IC2
16
NC
No Control
Function
Dimensional Outline
7/20/07
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.purdyelectronics.com
2
AND791GST/GST-LED
Intelligent Character Display
3
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.purdyelectronics.com
7/20/07