Purdy AND1742MST2 User Manual
Features
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
1
Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.purdyelectronics.com
3/21/07
AND1742MST2
240 x 128 Dots
Intelligent Graphics Display
The AND1742MST2 devices are compact, full dot matrix,
with “white page” appearance, LCD modules that have an on-
board LCD controller (RA8835) and display memory (RAM).
The AND1742MST2 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.
Features
• FSTN positive black & white LCD type
• Built-in CCFL backlight
• White backlight color, black frame
• 240 x 128 dot graphic display
• Excellent readability and high-contrast ratio
• Built-in LCD controller (RA8835/RAiO)
• Wide operating temperature range (0° to 50°C)
• 12 O’clock viewing direction
• ISO9001 certified
Dot Matrix Dimensions
Mechanical Characteristics
Item
Specification
Unit
Outline
Dimensions
180.0 (W) x 110.0 (H) x 15.0 Max (D)
mm
Viewing Area
132.0 (W) x 76.0 (H)
mm
Dot Size
0.47 (W) x 0.47 (H)
mm
Dot Pitch
0.51 (W) x 0.51 (H)
mm
Resolution
240 (W) x 128 (H) Dots Matrix
–
Duty Ratio
1/128 Duty
–
Controller
RA8835 / RAiO
–
DC/DC Converter
Without
–
119.7
0.51
0.47
63.97
0.51
0.47
240 x 128 pixels
Absolute Maximum Ratings
Item
Absolute Maximum
Unit
Symbol
Min
Max
Power Supply for Logic
V
DD
- V
SS
-0.3
7.0
V
Power Supply for LCD
V
DD
- V
EE
0
24.0
V
Input Voltage
V1
-0.3
V
DD
V
CCFL Driving Voltage
V
FL
0
500
V
rms
CCFL Input Current
I
FL
–
7.0
mA
Electrical Characteristics (TA = 25°C)
Item
Symbol
Cond.
Min.
Typ.
Max.
Unit
Power
Supply for
Logic
V
DD
-
V
SS
–
4.5
5.0
5.5
V
Input
Voltage
V
IL
L Level
0
–
0.6
V
V
IH
H Level
2.2
–
V
DD
V
DD
-
V
O
Bias =
1/12
Ta = 0ºC
–
–
–
Ta =
25ºC
16.7
17.8
18.5
Ta =
50ºC
–
–
–
Power
Supply
Current for
LCM
I
DD
V
DD
=
5.0V
V
DD
-
V
EE
=
17.8V
–
15.6
18
mA
I
EE
–
2.4
–
CCFL
Starting
Voltage
V
FLS
–
–
750
–
Vrms
CCFL Driving
Voltage
V
FLD
–
–
360
–
Vrms
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.