AND1781MST/BST
240 x 64 Dots
Intelligent Graphics Display
The AND1781MST/BST devices are compact, full dot matrix,
with “white page” appearance, LCD modules that have an on-
board LCD controller (T6963C) and display memory (RAM).
The AND1781 can display TEXT information, numerals,
letters and symbols, as well as GRAPHIC patterns. These
devices are suitable for medical and measurement
equipment, point-of-sale terminals, portable equipment, and
marine instrumentation.
Absolute Maximum Ratings
Features
• Black and white ST (MST) transmissive mode
• Blue and white (BST) transmissive mode
• Built-in CCFL backlight
• 40 characters x 8 line capability
• 240 x 64 dot graphic display
• Excellent readability and high-contrast ratio
• Built-in LCD controller (T6963C)
• Wide operating temperature range (0° to 50°C)
• User-selectable fonts: 6 x 8 or 8 x 8
Absolute Maximum
Item
Symbol
Min
0
Max
7.0
Unit
V
VDD
Supply Voltage
VDD - VEE
IFL
0
28.0
V
mA
rms
CCFL Input Current
–
10
CCFL Driving Voltage(1)
CCFL Drive Frequency
Input Voltage
VFL
fFL
Vrms
–
–
1500
35
Dot Matrix Dimensions
kHz
V
127.17
VIN
Tstg
TOP
–
-0.03
-20
0
0.3
60
0.53
0.50
Storage Temperature
Operating Temperature
°C
50
°C
Humidity(2)
10
90
°/° RH
1. 1 minute maximum.
2. Wet bulb temperature ≤29° C, no condensation of water.
240 x 64 pixels
Electrical Characteristics (TA = 25°C)
Specifications
Min.
Symbol Cond. (BST/
MST)
Typ.
(BST/
MST)
Max.
(BST/ Unit
MST)
Item
Mechanical Characteristics
Item
Outline
Dimensions
Specification
Unit
VDD
4.75
5.0
5.25
Supply
Voltage
V
11.2/
12.0
12.2/
13.0
13.2/
14.0
180.0 (W) x 70.0 (H) x 14.0 Max (D)
mm
V
DD-VEE
Number of Dots
# of Characters
Viewing Area
Bezel Opening
Dot Size
240 x 64 Dots
40 x 8 (480), 6 x 8 font
127.17 (W) x 33.89 (H)
137.0 (W) 44.0 (H)
0.50 (W) 0.50 (H)
0.53 (W) 0.53 (H)
170
High Level In
V
VIN
VIH
VIN
IFL
VDD
2.8
0
—
—
VDD
=
V
5.0V
Low Level
In V
mm
mm
mm
mm
gram
0.8
V
350
VFL
FL Driving V
—
4.0
300
5.0
rms
Dot Pitch
FL Input
Current(1)
mA
7.0
rms
Weight (approx.)
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94086
Tel:408.523.8200 • Fax:408.733.1287 • email@purdyelectronics.com • www.purdyelectronics.com
6/18/98
3-19