
Intelligent Graphics Display
AND1742MST2
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
3/21/07
Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com
2
CCFL Driving
Current
I
FLD
V
FLD
=
450Vrms
f
FL
=
30kHz
– 5.0 – mA
CCFL Driving
Frequency
f
FL
V
FLD
=
450Vrms
f
FL
=
30kHz
15 30 85 kHz
CCFL
Saturation
Time
t
SAT
Ta =
25ºC
–1–minut
Electrical Characteristics (TA = 25°C) (Continued)
Item
Symbol Cond. Min. Typ. Max. Unit
Optical Characteristics (TA = 25˚C,
φ
= 0°,
θ
= 0)
Item
Symbol Min. Typ. Max. Unit
Viewing Angle
Range
(when Cr
≥
2)
φ
f(12 o’clock) – 34 –
degree
φ
b(6 o’clock) – 41 –
φ
l(9 o’clock) – 35 –
φ
r(3 o’clock) – 30 –
Rise Time * Tr – 140 –
mS
Fall Time *
Tf
– 240 –
Frame
Frequency *
Frm
–64–
Hz
Contrast * Cr – 5.2 –
–
* Condition: V
DD
- V
EE
= 17.8V, Ta = 25ºC
Connector Pin Assignment
Pin No.
Signal Function
1 RESET
Controller Reset
2RD
Data Read
3
WR
Data Write
4 SEL2 MPU Select
5 SEL1
MPU Select
6CS
Chip Select
7 AO Command Mode Set
8 D0 Data Input/Output (LSB)
9 D1 Data Input/Output
10 D2 Data Input/Output
11 D3 Data Input/Output
12 D4 Data Input/Output
13 D5 Data Input/Output
14 D6 Data Input/Output
15 D7 Data Input/Output (MSB)
16
V
DD
Power Supply (5V)
17 GND Ground
18
V
O
Contrast Adjustment Voltage
19
V
EE
Power Supply for LCD Drive
20 FGND Frame Ground
Environmental Absolute Maximum Ratings
Item
Normal Temperature Wide Temperature
Operating Storage Operating Storage
Min. Max. Min. Max. Min. Max. Min. Max.
Ambient Temperature 0ºC +50ºC -20ºC +70ºC -20ºC +70ºC -30ºC +80ºC
Humidity (without condensation) Note 2,4 Note 3, 5 Note 4,5 Note 4,6
Note 2: Ta
≤
50ºC: 80% RH max. Ta > 50ºC: Absolute humidity must be lower than the humidity of 85% RH at 50ºC.
Note 3: Ta at -20ºC will be < 48 hrs at 70ºC will be < 120 hrs when humidity is higher than 75%.
Note 4: Background color changes slightly depending on ambient temperature. This phenomenon is reversible.
Note 5: Ta
≤
70ºC: 75% RH max. Ta > 70ºC: absolute humidity must be lower than the humidity of 75% RH at 70ºC.
Note 6: Ta at -30ºC will be < 48 hrs, at 80ºC will be <120 hrs when humidity is higher than 75%.
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