AND791GST-LED
器件资料摘要：
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
1
Tel: 408.523.8200 • Fax: 408.733.1287 • email@purdyelectronics.com • www.purdyelectronics.com
4/2/05
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
• AND791GST: Super Twist Technology
• AND791GST-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)
Dot Matrix Dimensions
Mechanical Characteristics
Item Specification Unit
Outline
Dimensions
190.0 (W) x 54.0 (H) x 10 (D) mm
Character Size 2.78 (W) x 4.89 (H) mm
Viewing Area 147.0 (W) x 29.5 (H) mm
Dot Size 0.50 x 0.55 mm
Dot Pitch 0.57 x 0.62 mm
Absolute Maximum Ratings
Item Symbol Rating Unit
Supply Voltage V
DD
7.0 V
Input Voltage V
IN
0
≤
V
IN
≤
V
DD
V
LED Forward Current I
F
960 mA
LED Reverse Voltage V
R
8V
0.752.78
1.20
4.89
LED Power Dissipation P
D
4160 mW
Operating Temperature T
op
0 to +50 °C
Storage Temperature T
stg
–20 to +70 °C
Electrical Characteristics (TA = 25°C)
Item Symbol Min. Typ. Max. Unit
Supply Voltage
V
DD
4.75 5.00 5.25
V
V
DD
-V
O
3.0 – 6.3
High Level In Voltage V
IH
1
2.2 — V
DD
V
Low Level In Voltage
(I
OH
= 0.2 mA)
V
IL
1
0 — 0.6 V
High Level Output Volt.
(–I
OH
= 0.2 mA)
V
OH
1
2.4 — — V
Low Level Output Volt.
(I
OL
= 1.2 mA)
V
OL
1
— — 0.4 V
LED Forward Voltage
(I
F
= 480 mA)
V
F
3.8 4.1 4.4 V
LED Reverse Current
(V
R
= 8 V)
I
R
– – 4.8 mA
Optical Characteristics (TA = 25˚C,
φ
= 0°,
θ
= 0°)
Item Symbol Min. Typ. Max. Unit
Viewing Angle
φ
– 50 – degree
Contrast K – 6.0 – –
Response time
(rise)
T
on
— 140 170 ms
Response time
(fall)
T
off
— 160 190 ms
Absolute Maximum Ratings (Continued)
Item Symbol Rating Unit
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 • email@purdyelectronics.com • www.purdyelectronics.com
4/2/05
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
• AND791GST: Super Twist Technology
• AND791GST-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)
Dot Matrix Dimensions
Mechanical Characteristics
Item Specification Unit
Outline
Dimensions
190.0 (W) x 54.0 (H) x 10 (D) mm
Character Size 2.78 (W) x 4.89 (H) mm
Viewing Area 147.0 (W) x 29.5 (H) mm
Dot Size 0.50 x 0.55 mm
Dot Pitch 0.57 x 0.62 mm
Absolute Maximum Ratings
Item Symbol Rating Unit
Supply Voltage V
DD
7.0 V
Input Voltage V
IN
0
≤
V
IN
≤
V
DD
V
LED Forward Current I
F
960 mA
LED Reverse Voltage V
R
8V
0.752.78
1.20
4.89
LED Power Dissipation P
D
4160 mW
Operating Temperature T
op
0 to +50 °C
Storage Temperature T
stg
–20 to +70 °C
Electrical Characteristics (TA = 25°C)
Item Symbol Min. Typ. Max. Unit
Supply Voltage
V
DD
4.75 5.00 5.25
V
V
DD
-V
O
3.0 – 6.3
High Level In Voltage V
IH
1
2.2 — V
DD
V
Low Level In Voltage
(I
OH
= 0.2 mA)
V
IL
1
0 — 0.6 V
High Level Output Volt.
(–I
OH
= 0.2 mA)
V
OH
1
2.4 — — V
Low Level Output Volt.
(I
OL
= 1.2 mA)
V
OL
1
— — 0.4 V
LED Forward Voltage
(I
F
= 480 mA)
V
F
3.8 4.1 4.4 V
LED Reverse Current
(V
R
= 8 V)
I
R
– – 4.8 mA
Optical Characteristics (TA = 25˚C,
φ
= 0°,
θ
= 0°)
Item Symbol Min. Typ. Max. Unit
Viewing Angle
φ
– 50 – degree
Contrast K – 6.0 – –
Response time
(rise)
T
on
— 140 170 ms
Response time
(fall)
T
off
— 160 190 ms
Absolute Maximum Ratings (Continued)
Item Symbol Rating Unit
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.