AND721GST-LED PDF даташит
Спецификация AND721GST-LED изготовлена «AND» и имеет функцию, называемую «Intelligent Character Display». |
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Детали детали
Номер произв | AND721GST-LED |
Описание | Intelligent Character Display |
Производители | AND |
логотип |
2 Pages
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AND721GST/GST-LED
Intelligent Character Display
AND721GST/GST-LED
4 Lines x 20 Characters
Intelligent Character Display
The AND721GST/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
• AND721GST: Super Twist Technology
• AND721GST-LED: STN with LED backlight
• Low voltage, +5V single power supply
• Controller on board (HD44780)
• RoHS compliant
• 11 commands for control
• Wide temperature range option (WGST)
Absolute Maximum Ratings (Continued)
Item
Symbol
Rating
LED Reverse Voltage
LED Power Dissipation
Operating Tempera-
ture
VR
PD
Top
8
1900
0 to +50
Storage Temperature
Tstg
-20 to +60
Unit
V
mW
°C
°C
Dot Matrix Dimensions
2.95
0.60
0.55
0.60
Electrical Characteristics (TA = 25°C)
Item
Symbo
l
Min.
Typ.
Max. Unit
Mechanical Characteristics
Item
Specification
Outline
Dimensions
98 (W) x 60 (H) x 12 (D)
Character Size
2.95 (W) x 4.75 (H)
Viewing Area
76.0 (W) x 25.2 (H)
Dot Size
0.55 (W) x 0.55 (H)
Dot Pitch
0.60 (W) x 0.60 (H)
Supply Voltage
VDD 4.75 5.0 5.25
V
VDD-VO 3.0 – 6.3
High Level In Voltage
(VDD = 5.0V)
VIN
–
– VDD V
Low Level In Voltage
(IOH = 0.2 mA)
VIH
0
– 0.6 V
High Level Output Volt.
(–IOH = 0.2 mA)
VOH
2.4
–
–V
Unit
Low Level Output Volt.
(IOL = 1.2 mA)
VOL
–
– 0.4 V
mm
LED Forward Voltage
(IF = 230 mA)
VF
3.8
4.1
4.4 V
mm
mm
LED Reverse Current
(VR = 8 V)
IR
–
– 2.4 mA
mm
mm Optical Characteristics (TA 5 = 25˚C, φ = 0°, θ = 0°)
Item Symbol Min.
Typ. Max. Unit
Absolute Maximum Ratings
Item
Symbol
Supply Voltage
Input Voltage
LED Forward Current
VDD
VIN
IF
Rating
7.0
0 ≤ VIN ≤ VDD
480
Unit
V
V
mA
Viewing Angle f
– 50 – degree
Contrast
K
–
6.0 –
–
Turn On Ton – 200 400 ms
Turn Off Toff – 250 400 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
equipment incorporating this product.
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
1
7-27-99
No Preview Available ! |
Connector Pin Assignment
AND721GST/GST-LED
Intelligent Character Display
Connector Pin Assignment
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Signal
GND
VDD
VO
RS
R/W
E
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
LED
LED
Function
Ground
+5 Power Supply
LCD Drive Voltage
“H” Data Input
“L” Command Input
Read/Write
Enable
Data Bus
DB0-DB7 are for 8-bit operation
DB4-DB7 are for 4-bit operation
LED Anode (+)
LED Cathode Ground
Block Diagram
Power Supply
The LCD panel is driven by the voltage VDD–VO, so an
adjustable VO is required for contrast control and
temperature compensation.
Temperature Variations
Temperature
0°C
+25°C
+50°C
VDD–VO
5.00
4.75
4.50
Power Supply Block Diagram
VDD (+5V)
VDD – VO
VO VR
VDD
GND
VDD – VO = LCD Drive Voltage
VR10 to 20 kΩ
E
R/W
RS
DBO-DB7
VDD
VO
GND
8
4
Controller/
Driver
40
16
16 16
Driver
40
LCD
40
Driver 4
40
Driver
20 4
Driver
20
Dimensional Outline
7-27-99
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
2
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Номер в каталоге | Описание | Производители |
AND721GST-LED | Intelligent Character Display | AND |
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