Document Number: 37308 For technical questions, contact: displays@vishay.com www.vishay.com
Revision: 30-Oct-08 1
20 x 2 Character LCD
LCD-020N002A
Vishay
FEATURES
• Type: Character
• Display format: 20 x 2 characters
• Built-in controller: KS 0066 (or equivalent)
• Duty cycle: 1/16
• 5 x 8 dots includes cursor
• + 5 V power supply (also available for + 3 V)
• LED can be driven by pin 1, pin 2, pin 15, pin 16 or A and K
• N.V. optional for + 3 V power supply
• Compliant to RoHS directive 2002/95/EC
Note
•V
SS = 0 V, VDD = 5.0 V
For detailed information, please see the “Product Numbering System” document.
MECHANICAL DATA
ITEM STANDARD VALUE UNIT
Module Dimension 116.0 x 37.0
mm
Viewing Area 85.0 x 18.6
Dot Size 0.60 x 0.65
Dot Pitch 0.65 x 0.70
Mounting Hole 108.0 x 29.0
Character Size 3.2 x 5.55
ABSOLUTE MAXIMUM RATINGS
ITEM SYMBOL STANDARD VALUE UNIT
MIN. TYP. MAX.
Power Supply VDD to VSS - 0.3 - 7.0 V
Input Voltage VI- 0.3 - VDD
ELECTRICAL CHARACTERISTICS
ITEM SYMBOL CONDITION STANDARD VALUE UNIT
MIN. TYP. MAX.
Input Voltage VDD
VDD = + 5 V 4.7 5.0 5.3 V
VDD = + 3 V 2.7 3.0 5.3
Supply Current IDD VDD = + 5 V - 1.0 1.2 mA
Recommended LC Driving
Voltage for Normal Temperature
Version Module
VDD to V0
- 20 °C 5.0 5.1 5.7
V
0 °C 4.6 4.8 5.2
25 °C 4.1 4.5 4.7
50 °C 3.9 4.2 4.5
70 °C 3.7 3.9 4.3
LED Forward Voltage VF25 °C - 4.2 4.6 V
LED Forward Current IF25 °C - 210 420 mA
EL Power Supply Current IEL VEL = 110 VAC, 400 Hz - - 5.0 mA
OPTIONS
PROCESS COLOR BACKLIGHT
TN STN
Gray
STN
Yellow
STN
Blue
FSTN
B&W
STN
Color None LED EL CCFL
xxxx xxx
www.vishay.com For technical questions, contact: displays@vishay.com Document Number: 37308
2Revision: 30-Oct-08
LCD-020N002A
Vishay 20 x 2 Character LCD
DISPLAY CHARACTER ADDRESS CODE
Display Position
1234567891011121314151617181920
DD RAM Address 000102030405060708090A0B 0C 0D0E0F 10 11 12 13
DD RAM Address 404142434445464748494A4B 4C 4D4E4F 50 51 52 53
INTERFACE PIN FUNCTION
PIN NO. SYMBOL FUNCTION
1V
SS Ground
2V
DD + 3 V or + 5 V
3V
0Contrast adjustment
4 RS H/L register select signal
5R/W H/L read/write signal
6E H → L enable signal
7 DB0 H/L data bus line
8 DB1 H/L data bus line
9 DB2 H/L data bus line
10 DB3 H/L data bus line
11 DB4 H/L data bus line
12 DB5 H/L data bus line
13 DB6 H/L data bus line
14 DB7 H/L data bus line
15 A/VEE + 4.2 V for LED/negative voltage output
16 K Power supply for B/L (0 V)
DIMENSIONS in millimeters
3.7
3.2
0.65
0.60
5.95
5.55
0.70
0.65
Dot Size
2.5
2.54
12
1516
17.78
(P2.54 x 7)
8.34
Pin Detail
EL or NO B/L
1.6
9.5 Max.
4.9
LED B/L
1.6
13.9 Max.
9.3
116.0 ± 0.5
4.0
4 x Ø 1.0 PTH
12.75
2.931.2
37.0 ± 0.5
91.2
85.0 (VA)
73.5 (AA)
108.0
13.6
16.5
9.2
18.6 (VA)
11.5 (AA)
11.015.0
22.25
16 15
12
7.0 15.0
29.0 4.0
2.5
59.0 4 x Ø 3.5 PTH
4 x Ø 5.5 PAD
A
K
Document Number: 91000 www.vishay.com
Revision: 11-Mar-11 1
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