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AND721GST Datasheet, PDF (1/2 Pages) Purdy Electronics Corporation – Intelligent Character Display
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
Unit
LED Reverse Voltage
VR
LED Power Dissipation
PD
Operating Tempera-
ture
Top
8
V
1900
mW
0 to +50
°C
Storage Temperature
Tstg
-20 to +60
°C
Dot Matrix Dimensions
2.95
0.60
0.60
0.55
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
Rating
Unit
Supply Voltage
VDD
7.0
V
Input Voltage
VIN
0 ≤ VIN ≤ VDD
V
LED Forward Current
IF
480
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
Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com
7-27-99