AND771GST [PURDY]
Intelligent Character Display; 智能字符显示
| 型号： | AND771GST |
| 厂家： | 
PURDY ELECTRONICS CORPORATION |
| 描述： | Intelligent Character Display |
| 文件： | 总3页 (文件大小：89K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
AND771GST/GST-LED
2 Lines x 24 Characters
Intelligent Character Display
The AND771GST/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.
Absolute Maximum Ratings (Cont)
Features
Item
Symbol
Rating
280
Unit
mA
V
• AND771GST: Super Twist Technology
• AND771GST-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)
IF
LED Forward Current
LED Reverse Voltage
LED Power Dissipation
Operating Temperature
Storage Temperature
VR
PD
4
1150
mW
°C
Top
Tstg
0 to +50
–20 to +60
°C
Dot Matrix Dimensions
3.20
0.60
0.05
0.50
Electrical Characteristics (TA = 25°C)
Item
Symbol
VDD
Min.
4.75
3.0
Typ.
5.0
–
Max.
5.25
6.3
Unit
Supply Voltage
V
V
VDD-VO
High Level In Voltage
(VDD = 5.0V)
VIH
2.2
0
–
–
–
Low Level In Voltage
(IOH = 0.2 mA)
VIL
VOH
VOL
VF
0.6
–
High Level Output Volt.
(–IOH = 0.2 mA)
2.4
–
–
V
V
Mechanical Characteristics
Low Level Output Volt.
(IOL = 1.2 mA)
–
0.4
4.4
100
Item
Outline
Specification
Unit
LED Forward Voltage
(IF = 160 mA)
118 (W) x 36 (H) x 11 (D)
mm
3.8
–
4.1
–
V
Dimensions
Character Size
Viewing Area
Bezel Opening
Dot Size
3.20 (W) x 5.55 (H)
93.5 (W) x 15.8 (H)
93.5 (W) x 15.8 (H)
0.60 (W) x 0.60 (H)
0.65 (W) x 0.65 (H)
mm
mm
mm
mm
mm
LED Reverse Current
(VR = 4 V)
IR
µA
Optical Characteristics (TA = 25˚C, φ= 0°, θ = 0°)
Dot Pitch
Item
Viewing Angle
Contrast
Symbol
Min.
Typ.
50
6.0
Max.
–
–
Unit
degree
–
φ
–
–
–
Absolute Maximum Ratings
K
Ton
Item
Supply Voltage
Input Voltage
Symbol
VDD
VIN
Rating
7.0
Unit
V
Turn On
200
400
ms
Toff
Turn Off
–
250
400
ms
0 ≤ VIN ≤ VDD
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.
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
1
Tel:408.523.8200 • Fax:408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com
7/23/07
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
2
Tel:408.523.8200 • Fax:408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com
7/23/07
AND771GST/GST-LED
Intelligent Character Display
Connector Pin Assignment
Power Supply
LCD panel is driven by the voltage VDD–VO, so adjustable VO
is required for contrast control and temperature
compensation.
Pin No.
Signal
GND
VDD
Function
1
2
Ground
+5 Power Supply
LCD Drive Voltage
Temperature Variations
VO
3
VDD–VO
5.00
Temperature
0°C
“H” Data Input
4
RS
“L” Command Input
+25°C
+50°C
4.75
4.50
5
6
R/W
E
Read/Write
Enable
7
8
9
10
11
12
13
14
15
16
DBO
DB1
DB2
DB3
DB4
DB5
DB6
DB7
NC
Power Supply Block Diagram
(+5V)
VDD
Data Bus
DB0-DB7 are for 8-bit operation
DB4-DB7 are for 4-bit operation
VDD – VO
VO
VR
VDD
GND
No Connection
No Connection
VDD – VO = LCD Drive Voltage
VR10 to 20 kΩ
NC
Block Diagram
E
R/W
RS
LCD
40
16
Controller/
Driver
DB0-DB7
8
40
40
2
VDD
VO
GND
Driver
Driver
Dimensional Outline
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel:408.523.8200 • Fax:408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com
3
7/23/07
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