AND1742MST
240 x 128 Dots
Intelligent Graphics Display
The AND1742MST display is a compact, full dot matrix, with
“white page” appearance, LCD modules that have an on-
board LCD controller (SED1330) and display memory (RAM).
The AND1742MST 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 negative mode
• Built-in CCFL backlight
Absolute Maximum
Item
Unit
Symbol
Min
0
Max
6.0
• 40 characters x 18 line capability
• 240 x 128 dot graphic display
• Excellent readability and high-contrast ratio
• Built-in LCD controller (SED1330)
• Wide operating temperature range (0° to 50°C)
• Built-in DC/DC converter
VDD
V
V
Supply Voltage
VDD - VEE
IFL
VDD
0
mA
rms
CCFL Input Current
–
10
• 12 o’clock viewing angle with anti-glare polarizer
• Transflective version available (AND1742MST-TF)
CCFL Driving Voltage(1)
CCFL Drive Frequency
Input Voltage
VFL
fFL
Vrms
–
–
1300
50
kHz
V
Dot Matrix Dimensions
VIN
Tstg
Top
–
VDD
60
-0.3
-20
0
122.36
0.51
0.47
Storage Temperature
Operating Temperature
Humidity
°C
50
°C
10
85
°/° RH
240 x 128 pixels
Electrical Characteristics (TA = 25°C)
Specifications
Item
Supply
Symbol Cond.
Min
4.75
–
Typ
Max Unit
VDD
5.0
5.25
V
Voltage
VLC
VIN
-13.0*
—
–
Mechanical Characteristics
High Level In
V
Item
Outline
Dimensions
Specification
Unit
VDD
0.8
0
VDD=
V
180.0 (W) x 110.0 (H) x 15.1 Max (D)
mm
5.0V
Low Level
In V
VIH
VIN
IFL
—
220
5.0
—
0.8
240 x 128 Dots
(40 characters x 16 lines)
Number of Dots
V
250
VFL
FL Driving V
190
4.5
rms
# of Characters
Viewing Area
Dot Size
40 x 16 (480), 6 x 8 font
134.0 (W) x 76.0 (H)
0.47 (W) 0.47 (H)
0.51 (W) 0.51 (H)
280
FL Input
Current(1)
mA
5.5
mm
mm
rms
V
1300
VFLS
FL Starting V
Ta = 0°C 850
25
Dot Pitch
mm
rms
Weight (approx.)
gram
FL Driving
Frequency
(2)
fFL
30
35
kHz
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94086
Tel:408.523.8200 • Fax:408.733.1287 • email@purdyelectronics.com • www.purdyelectronics.com
3-26
6/19/98