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AND771GST Datasheet, PDF (1/3 Pages) Purdy Electronics Corporation – Intelligent Character Display
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.
Features
• 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)
Dot Matrix Dimensions
3.20
0.50
0.60
0.05
Mechanical Characteristics
Item
Outline
Dimensions
Character Size
Specification
Unit
118 (W) x 36 (H) x 11 (D)
mm
3.20 (W) x 5.55 (H)
mm
Viewing Area
Bezel Opening
Dot Size
93.5 (W) x 15.8 (H)
mm
93.5 (W) x 15.8 (H)
mm
0.60 (W) x 0.60 (H)
mm
Dot Pitch
0.65 (W) x 0.65 (H)
mm
Absolute Maximum Ratings
Item
Symbol
Rating
Unit
Supply Voltage
Input Voltage
VDD
7.0
V
VIN
0 ≤ VIN ≤ VDD
V
Absolute Maximum Ratings (Cont)
Item
Symbol
Rating
Unit
LED Forward Current
IF
280
mA
LED Reverse Voltage
VR
4
V
LED Power Dissipation
PD
1150
mW
Operating Temperature
Top
0 to +50
°C
Storage Temperature
T stg
–20 to +60
°C
Electrical Characteristics (TA = 25°C)
Item
Symbol Min. Typ.
Supply Voltage
VDD 4.75
5.0
VDD-VO 3.0
–
High Level In Voltage
(VDD = 5.0V)
VIH
2.2
–
Low Level In Voltage
(IOH = 0.2 mA)
V IL
0
–
High Level Output Volt.
(–IOH = 0.2 mA)
VOH
2.4
–
Low Level Output Volt.
(IOL = 1.2 mA)
VOL
–
–
LED Forward Voltage
(IF = 160 mA)
VF
3.8
4.1
LED Reverse Current
(VR = 4 V)
IR
–
–
Max. Unit
5.25
V
6.3
–V
0.6
–V
0.4 V
4.4 V
100 µA
Optical Characteristics (TA = 25˚C, φ= 0°, θ = 0°)
Item
Symbol
Min.
Typ. Max. Unit
Viewing Angle φ
–
50
– degree
Contrast
K
–
6.0 –
–
Turn On
Turn Off
Ton
–
200 400 ms
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
Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com
7/23/07