AND721GST-LED AND / Purdy Electronics, AND721GST-LED Datasheet - Page 2

• Manufacturer Part Number: AND721GST-LED
• Description: Display, LCD; 98 mm W x 60 mm H x 12 mm D; 5 V (Typ.)
• Manufacturer: AND / Purdy Electronics

Specifications of AND721GST-LED

• Operating Temperature, Maximum: 50
• Overall Size: 98 mm W x 60 mm H x 12 mm D
• Supply Voltage, Logic: 5 V (Typ.)
• Viewing Area: 76 mm W x 25.2 mm H
• Lead Free Status / Rohs Status: RoHS Compliant part

7-27-99
Connector Pin Assignment
Block Diagram
Dimensional Outline
Pin #
10
12
13
14
15
16
11
1
2
3
4
5
6
7
8
9
Signal
GND
R/W
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
LED
LED
V
RS
V
E
Tel: [phone] • Fax: [phone] • [e-mail] • www.purdyelectronics.com
DD
O
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
DBO-DB7
GND
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
R/W
V
RS
V
DD
E
O
8
Function
Controller/
Driver
16
40
4
16
16
Driver
40
Power Supply
The LCD panel is driven by the voltage V
adjustable V
temperature compensation.
Temperature Variations
Power Supply Block Diagram
4
Driver
Driver
LCD
40
40
Temperature
Intelligent Character Display
O
+25°C
+50°C
0°C
is required for contrast control and
GND
V
V
DD
O
20
20
AND721GST/GST-LED
V
DD
V
VR10 to 20 kΩ
Driver
– V
DD
4
O
– V
O
VR
= LCD Drive Voltage
(+5V)
DD
V
–V
5.00
4.75
4.50
DD
O
–V
, so an
O
V
DD
2