AND1741 Datasheet, PDF (2/4 Pages) Purdy Electronics Corporation – Intelligent Graphics Display

AND1741MST
Intelligent Graphics Display
Electrical Characteristics (TA = 25°C) (Continued)
Specifications
Min. Typ. Max.
Item Symbol Cond. (BST/ (BST/ (BST/ Unit
MST) MST) MST)
FL Starting V V_FLS Ta = 0°C 1300
—
— V_O-P
FL Driving Fre-
quency
f_FL⁽²⁾
25
30
35 kHz
I_{DD Typical} —
Current
I_EE
Pattern⁽³⁾
—
Consumption _IDD
Max.
—
I_EE
Pattern ⁽³⁾
—
9.0 18.0
2.0 4.0
mA
12.0 24.0
2.5 5.0
1. Life time of backlight will change according to the FL input cur-
rent.
2. Choose a driving frequency that is not in sync with the frame
frequency otherwise, you may experience flickering.
3. Typical pattern is all “on”, maximum pattern is checkered.
Optical Characteristics (TA = 25˚C, φ = 0°, θ = 0)
Item
Viewing Angle
Contrast Ratio
Response Time
Luminance
I_FL = 5.0 mA rms
Symbol
Right to Left
Up & Down
K
T_ON
T_OFF
L
Specifications
Min. Typ. Max.
(BST/ (BST/ (BST/ Unit
MST) MST) MST)
–
80
–
degree
–
55
–
2.5/8 3.5/12 — —
– 200 350
ms
– 200 350
60 80
–
cd/m²
Note: Refer to Applications Section for definitions of viewing
angle, contrast ratio, response time (on and off) and
luminance.
Connector Pin Assignment
Pin No.
1
2
3
4
5
6
7
8
Signal
FGND
GND
V_DD
V_EE
WR
RD
CE
C/D
Function
Frame Ground
Ground
Power Supply (5V)
Power Supply for LCD Drive
Data Write
Data Read
Chip Enable
WR = “L”, C/D = “H”: Command Write
WR = “L”, C/D = “L”: Data Write
RD = “L”, C/D = “H”: Status Read
RD = “L”, C/D = “L”: Data Read
Connector Pin Assignment
Pin No. Signal
Function
9
NC No connection
10 RESET Controller Reset
11
D0 Data Input/Output (LSB)
12
D1 Data Input/Output
13
D2 Data Input/Output
14
D3 Data Input/Output
15
D4 Data Input/Output
16
D5 Data Input/Output
17
D6 Data Input/Output
18
D7 Data Input/Output (MSB)
19
FS
Connect to V_DD: 6 x 8 font
Connect to GND: 8 x 8 font
20
RV
V_DD: Positive image
GND: Negative image
FL Connector
Pin No,
1
5
Signal
Function
V_FL Power supply for FL backlight
V_FL Power supply for FL backlight
Note: Connector: IL-G-55-53C2, Japan Aviation Electronics
Industry. Mating Housing: IL-M-5P-S3C2-PM.
Contact: IL-M-C2.
Recommended FL Inverter
E1118
+
1
4
V_out
CCF
-
Tube
2
3
Input bypass capacitor may be required (10µf –100µf)
Part number E1118 is Endicott Research Group, Inc..
Method of connecting is illustrated.
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
7/20/07
Tel: [phone] • Fax: [phone] • [e-mail] • www.purdyelectronics.com
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