Purdy AND501WGST/WGST-LED - Manual

Displays
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
7/20/07 Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.ANDdisplays.com 1
AND501WGST/WGST-LED
20 Characters x 2 Lines
Intelligent Alphanumeric Displays
The AND501WGST/WGST-LED devices are compact, LCD
modules that have an on-board LCD controller and driver
circuit and wide operating temperature STN fluid. These
devices can display 160 characters (numerals, letters,
symbols and Kana letters).
Features
• AND501WGST: Wide Temp. Super Twist Technology
• AND501WGST-LED: WTSTN with LED backlight
• Low voltage, +5V power supply
• Controller on board (HD44780)
• RoHS compliant
• 11 commands for control
Dot Matrix Dimensions
Mechanical Characteristics
Item Specification Unit
Outline
Dimensions
116 (W) x 37 (H) x 11 (D) mm
Character Size 3.2 (W) x 5.55 (H) mm
Viewing Area 83.0 (W) x 18.6 (H) mm
Dot Size 0.60 (W) x 0.65 (H) mm
Dot Pitch 0.65 (W) x 0.70 (H) 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
275 mA
LED Reverse Voltage V
R
8 V
LED Power Dissipation P
D
1270 mW
Operating Temperature T
op
-20 to +70 °C
Storage Temperature T
stg
–30 to +80 °C
Electrical Characteristics (TA — 25°C)
Item Symbol Min. Typ. Max. Unit
Supply Voltage
V
DD
4.75 5.0 5.25
V
GND — 0 —
High Level In Voltage
(V
DD
= 5.0V)
V
IH
2.2 — — V
Low Level In Voltage
(I
OH
= 0.2 mA)
V
IL
0 — 0.6 V
High Level Output Volt.
(–I
OH
= 0.2 mA)
V
OH
2.4 — — V
Low Level Output Volt.
(I
OL
= 1.2 mA)
V
OL
— — 0.6 V
LED Forward Voltage
(I
F
= 200 mA)
V
F
3.8 4.1 4.4 V
LED Reverse Current
(V
R
= 8 V)
I
R
— — 2.2 mA
Optical Characteristics (TA = 25˚C,
φ
= 0˚C,
θ
= 0)
Item Symbol Min. Typ. Max. Unit
Viewing Angle φ –10 25 40 degree
Contrast K — 3.0 — —
Turn On T
on
— 200 400 ms
Turn Off T
off
— 250 400 ms
Connector Pin Assignment
Pin No. Signal Function
1 GND Ground
2 V
DD
+5 Power Supply
3 V
O
LCD Drive Voltage
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.
• RoHS Compliant