Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
8/15/05
Tel: 408.523.8200 • Fax: 408.733.1287 • email@purdyelectronics.com
1
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
2
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.
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
2
Tel: 408.523.8200 • Fax: 408.733.1287 • email@purdyelectronics.com
8/15/05
www.purdyelectronics.com
Displays
Dimensional Outline
Unit: mm
Standard Tolerance: 0.5mm
AND3222MST2
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
8/15/05
Tel: 408.523.8200 • Fax: 408.733.1287 • email@purdyelectronics.com
3
www.purdyelectronics.com
Displays
Timing Chart
Timing Specifications
Item
Symbol Min Typ Max Unit
System Cycle Time
t
CVC
425 – – ns
Address Set-up Time
t
AW
30 – – ns
Address Hold Time
t
AH
10 – – ns
Data Set-up Time
t
DS
120 – – ns
Data Hold Time
t
DH
10 – – ns
Output Disable Time
t
OH
10 – 50 ns
AccessTime
t
ACC
– – 120 ns
Enable Pulse Width
Read
t
EW
220 – – ns
Write 220 – – ns
Environmental Absolute Maximum Ratings
Item
Normal Temperature Wide Temperature
Operating Storage Operating Storage
Min. Max. Min. Max. Min. Max. Min. Max
Ambient Temperature 0 ºC +50 ºC -20 ºC +70 ºC -20 ºC +70 ºC -30 ºC +80 ºC
Humidity (without condensation) See Notes 1, 3 See Notes 2, 4 See Notes 3, 4 See Notes 3, 5
NOTES:
1. Ta≤ 50 ºC: 80% RH max
Ta> 50 ºC: Absolute humidity must be lower than the humidity of 85%RH at 50 ºC
2. Ta at -20 ºC will be < 48 hrs at 0 ºC will be <120 hrs when humidity is higher than 75%.
3. Background color changes slightly depending on ambient temperature. This phenomenon is reversable.
4. Ta ≤ 70 ºC: 75RH max
Ta > 70 ºC: abosolute humidity must be lower than the humidity of 75%RH at 70 ºC.
5. Ta at -30 ºC will be <48hrs, at 80 ºC will be <120hrs when humidity is higher than 75%.
AND3222MST2
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
4
Tel: 408.523.8200 • Fax: 408.733.1287 • email@purdyelectronics.com
8/15/05
www.purdyelectronics.com
Displays
Connector Pin Assignment for Interface
Power Supply
Interface Pin Assignment
Terminal
No.
Symbol Level Function
1
V
SS
0V Power Supply Ground
2
V
DD
5V Logic Supply Voltage
3
V
O
– Contrast Adjustment Voltage
4 /RD L Read Signal
5 /WR L Write Signal
6 Ao H/L Data Type Select
7 DB0 H/L
Data Bus Line
8 DB1 H/L
9 DB2 H/L
10 DB3 H/L
11 DB4 H/L
12 DB5 H/L
13 DB6 H/L
14 DB7 H/L
15 /CS L Chip Signal
16 /RST L Reset Signal
17
V
LCD
– Power Supply for LCD
18
FG
– For GND
19
NC
– No Connection
20
NC
No Connection
Block Diagram
AND3222MST2