
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
8/15/05
Tel: 408.523.8200 • Fax: 408.733.1287 • email@purdyelectronics.com
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www.purdyelectronics.com
Displays
AND3222MST2
6” FSTN LCD Module
The AND3222MST2 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
AND3222MST2 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, protable equipment, and marine instrumentation.
Features
• Black and white ST (MST) transflective positive mode
• Built-in CCFL backlight
• Excellent readability and high-contrast ratio
• 320 (W) x 240 (H) dot graphic display
• Built-in LCD controller (SED1330)
• Wide operating temperature range (-20 to +70 ºC)
• Available without controller (AND322MST-C)
• 6 o’clock viewing angle
Mechanical Characteristics
Item
Specification Unit
Outline
Dimensions
148.0 (W) x 120.2 (H) x 20.5 max (D) mm
Number of
Pixels
320 (W) x 240 (H) pixels
Active Area 120.14 (W) x 92.14 (H) mm
Pixel Size 0.33 (W) x 0.33 (H) mm
Pixel Pitch 0.36 (W) x 0.36 (H) mm
Duty 1/240 –
Controller SED1335 –
DC/DC Converter With –
Absolute Maximum Ratings
Item
Symbol Min. Max. Unit
Power Supply for Logic
V
DD
- V
SS
-0.3 7.0 V
Power Supply for LCD
V
DD
- V
LCD
030V
Input Voltage
V
I
-0.3
V
DD
V
CCFL Driving Voltage
V
FL
0 500 Vrms
CCFL Input Current
I
FL
– 7.0 mA
Storage Temperature Tstg -30 +80 ºC
Operating Temperature Top -20 +70 ºC
Humidity – – 80 % RH
Electrical/Optical Characteristics (Ta = 25°C)
Item
Symbol Condition Min. Typ. Max. Unit
Power Supply
for Logic
V
DD -
V
SS
– 4.5 5.0 5.5 V
Power Supply
for LCD Drive
V
LCD -
V
SS
–
-21.6
-22.1
-22.7
V
Input Voltage
V
IL
L level
0
–
0.6
V
V
IH
H level 2.2 –
V
DD
V
V
DD -
V
O
Ta = 0°C – 22.7 –
VTa =
25°C
– 24.3 –
Ta =
50°C
– 25.8 –
Power Supply
Current for
LCM
I
DD
V
DD
=5.0V
V
DD -
V
O
=24.3V
34.9 31.3 –
mA
I
EE
– 3.6 –
CCFL Starting
Voltage
V
FLS
– – 750 – Vrms
CCFL Driving
Voltage
V
FLD
– – 360 –
Vrms
CCFL Driving
Current
I
FLD
V
FLD
=450Vrms
f
FL
=30kHzV
– 5.0 – mA
CCFL Driving
Frequency
f
FL
15 30 85 KHz
CCFL
Saturation
Time
t
SAT
Ta = 25°C – 3 – minut
Viewing Angle
Range
Φ
f (12 o’clock)
When Cr ≥
1.4
–20–
°
Φ
b (6 o’clock) – 40 –
Φ
l (9 o’clock) – 30 –
Φ
(3 o’clock) – 30 –
Rise Time Tr
V
DD -
V
O
=24.3V
Ta = 25°C
– 175 –
ms
Fall Time Tf – 170 –
Frame
Frequency
Frm – 64 – Hz
Contrast Cr – 4.5 – –
Brightness of
Backlight
L – 600 650 –
cd/m
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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.