Displays
Purdy Electronics Corporation
• 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408-523-8200 • Fax: 408-733-1287 • sales@purdyelectronics.com •
www.purdyelectronics.com
03/13/11
1
AND1743FST-LED
AND1743FST-LED
Intelligent Character Display
The AND1743FST-LED is a FSTN Positive Black & White liquid crystal
display. It has a transfl ective rear polarizer, white LED backlight, 12 o-clock
viewing angle and a normal / wide temperature range.
Features
• FSTN Positive Black & White
• Transfl ective Rear Polarizer
• White LED Backlight
• 12 O’clock Viewing Direction
• Normal / Wide Temperature Range
• Black Frame
ROHS Compliant
Electrical Absolute Maximum Ratings
Item
Symbol
Min.
Max.
Unit
Remark
Power Supply for Logic
VDD - VSS
-0.3
7.0
V
Power Supply for LCD
VDD-VSS
0
24.0
V
Input Voltage
V1
-0.3
VDD
V
LED Power Dissipation
PAD
720
mW
LED Frward Current
IAF
200
mA
LED Reverse Voltage
VR
5
V
Product specifi cations 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.
Mechanical Characteristics
Item
Standard Value
Unit
Module Size
170.0 (W) x 95.0 (H) x 14.0 (D) (max.)
mm
Viewing Area
132.0 (W) x 76.0 (H)
mm
Dot Size
0.47 (W) x 0.47 (H)
mm
Dot Pitch
0.50 (W) x 0.50 (H)
mm
Resolution
240 (W) x 128 (H)
dots
Duty Ratio
1/128 Duty
Controller
T6963C/Toshiba
DC/DC Converter
Without
Displays
Purdy Electronics Corporation
• 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408-523-8200 • Fax: 408-733-1287 • sales@purdyelectronics.com •
www.purdyelectronics.com
03/13/11
2
Electrical Characteristics
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Power Supply for Logic
VDD-VSS
4.5
5.0
5.5
V
Input Voltage
VIL
L Level
0
0.6
V
VH
H Level
2.2
VDD
V
VDD-VO
Ta = -0ºC
V
Ta = 25ºC
16.7
17.8
18.5
V
Ta = 70ºC
V
Power Supply Current for LCM
IDD
VDD=5.0V
VDD-VEE=17.8V
15.6
18
mA
IEE
2.4
LED Forward Voltage
VF
If=160 mA
3.4
3.6
V
LED Forward Current
IF
160
mA
LED Reverse Current
IR
VR=5V
0.3
mA
Optical Specifi cations
(Ta = 25 ºC)
Item
Symbol
Remarks
Min.
Specifi cations
Typ.
Max.
Units
Viewing Angle
Φ
f (12 o’clock)
When CR ≥ 10
41
deg
Φ
b (6 o’clock)
34
Φ
l (9 o’clock)
35
Φ
r (3 o’clock)
30
Rise Time
Tr
VDD-VO = 17.8 V
Ta = 25ºC
140
mS
Fall Time
Tf
240
Frame Frequency
Frm
64
Hz
Congrast
Cr
5.0
Brightness of Backlight
L
IF = 160 mA
160
200
cd/m
2
Peak Emission Wavelength
λ
P
x = 0.29
y = 0.30
x = 0.31
y = 0.32
x = 0.33
y = 0.34
nm
Environmental Absolute Maximum Ratings
Item
Wide Temperature
Operating
Storage
Min.
Max.
Min.
Max.
Ambient Temperature
-20 ºC
+70 ºC
-30 ºC
+80ºC
Humidity (without condensation)
Note 4, 5
Note 4,6
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%.
AND1743FST-LED
Displays
Purdy Electronics Corporation
• 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408-523-8200 • Fax: 408-733-1287 • sales@purdyelectronics.com •
www.purdyelectronics.com
03/13/11
3
Interface Pin Assignment
Pin No.
Pin Out
Level
Function Description
Pin No
Pin Out
Level
Function Description
1
FGND
For Ground
11
DB0
H/L
Data Bit 0
2
VSS
0V
Power Supply Ground
12
DB1
H/L
Data Bit 1
3
VDD
5V
Power Supply Voltage
13
DB2
H/L
Data Bit 2
4
VO
Contrast Adjustment Voltage
14
DB3
H/L
Data Bit 3
5
/WR
L
Data Write
15
DB4
H/L
Data Bit 4
6
/RD
L
Data Read
16
DB5
H/L
Data Bit 5
7
/CE
L
Enable Signal
17
DB6
H/L
Data Bit 6
8
C/D
H/L
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
18
DB7
H/L
Data Bit 7
9
NC
No Connection
19
FS
H/L
H: 6*8/L: 8*8 Select of font
10
/RST
L
Reset Signal
20
NC
H/L
No Connection
Block Diagram
AND1743FST-LED
Power Supply
Displays
Purdy Electronics Corporation
• 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408-523-8200 • Fax: 408-733-1287 • sales@purdyelectronics.com •
www.purdyelectronics.com
03/13/11
4
Mechanical Dimensions
AND1743FST-LED