Document Number: 37312 For technical questions, contact: displays@vishay.com www.vishay.com
Revision: 31-Oct-08 1
20 x 4 Character LCD
LCD-020N004A, LCD-020N004B
Vishay
FEATURES
• Type: Character
• Display format: 20 x 4 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
• FFC and FFC connector is for LCD-020N004B only
• 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 98.0 x 60.0
mm
Viewing Area 77.0 x 25.2
Dot Size 0.55 x 0.55
Dot Pitch 0.60 x 0.60
Mounting Hole 93.0 x 55.0
Character Size 2.95 x 4.75
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 2.7 - 5.3 V
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
V25 °C 4.1 4.5 4.7
70 °C 3.7 3.9 4.6
LED Forward Voltage VF25 °C - 4.2 4.6 V
LED Forward Current - Array IF25 °C - 280 560 mA
LED Forward Current - Edge - - -
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
DISPLAY CHARACTER ADDRESS CODE
Display Position
1234567891011121314151617181920
DD RAM Address 000102030405060708090A0B 0C 0D 0E0F 10 11 12 13
DD RAM Address 404142434445464748494A4B 4C 4D 4E4F 50 51 52 53
DD RAM Address 1415161718191A1B1C1D1E1F20 21222324252627
DD RAM Address 5455565758595A5B5C5D5E5F60 61626364656667
www.vishay.com For technical questions, contact: displays@vishay.com Document Number: 37312
2Revision: 31-Oct-08
LCD-020N004A, LCD-020N004B
Vishay 20 x 4 Character LCD
INTERFACE PIN FUNCTION
PIN NO. SYMBOL FUNCTION
1V
SS Ground
2V
DD Supply voltage for logic
3V
0Contrast adjustment
4 RS H: Data/L: Instruction
5R/W H: Read data/L: Write data
6 E Enable signal
7 DB0 Data bus line
8 DB1 Data bus line
9 DB2 Data bus line
10 DB3 Data bus line
11 DB4 Data bus line
12 DB5 Data bus line
13 DB6 Data bus line
14 DB7 Data bus line
15 A + 4.2 V for LED
16 K Power supply for B/L (-)
DIMENSIONS in millimeters
3.55
2.95
0.60
0.55
5.35
4.75
0.60
0.55
Dot Size
LED B/L
1.6
13.6 Max.
9.0
20.8
(AA)
25.5 (VA)
39.3
55.0
60.0 ± 0.5
98.0 ± 0.5
96.8
93.0
77.0 (VA)
70.4 (AA)
38.1
(P2.54 x 15)
0.6
2.5
10.5
13.8
10.0
17.4
10.35
2.5
2.5
4 x Ø 2.5 PTH
4 x Ø 5.0 PAD
16 x Ø 1.0 PTH
16 x Ø 2.0 PAD
19.6
LCD-020N004A
A
116
49.0
124.0 ± 0.5
46.4 17.0
W = 0.7
15.0
(P1.0 x 15)
1.0
116
20.8
(AA)
25.5 (VA)
39.3
55.0
60.0 ± 0.5
98.0 ± 0.5
96.8
93.0
77.0 (VA)
70.4 (AA)
38.1
(P2.54 x 15)
0.6
2.5
10.5
13.8
10.0
17.4
10.35
2.5
2.5
4 x Ø 2.5 PTH
4 x Ø 5.0 PAD
16 x Ø 1.0 PTH
16 x Ø 2.0 PAD
19.6
B
116
LCD-020N004B
Document Number: 91000 www.vishay.com
Revision: 18-Jul-08 1
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