LightKey
Datasheet of 2.00 inch 8x8 Dot Matrix LED Display
LM20088A/B Series – 2.00 inch 8x8 Dot Matrix LED Display
ATTENTION
OBSERVE PRECAUTIONS
FOR HANDLING
ELECTROSTATIC
DISCHARGE
SENSITIVE
DEVICES
Features
50.80 mm (2.00 inch) matrix height
Dot size: Diameter 5.00 mm
Pitch: 6.35 mm
Wide viewing angle
Range of emitted colors
I.C. compatible
Low power consumption
White dot, grey or black face
RoHS compliant
Available options
Alternative emitting luminosity:
Standard or high brightness version
Alternative emitted color
Alternative dot color
Alternative face color
Both CA or CC versions are available
Cropped terminal pins
Package Dimensions
COL. 1
2
3
4
5
6
7
8
ROW
1
2
6.35*7= 44.
45
3
50.80
4
5
6
7
8
PIN 1
6.35*7=44.45
50.80
5.
0
0.60
38.10
Notes:
1. All dimensions are in millimeters (inches), Tolerance is + 0.25mm (0.01inch) unless other wise noted.
2. Specifications are subject to change without notice.
3. The gap between the reflector and PCB shall not exceed 0.25mm.
SPEC NO: DS10121828
REV: A.4
CHECKED: Emily Zhou
APPROVED: M.H. Lin
PAGE: 1/3
HTTP://WWW.DISPLAY-LEDS.COM
TEL: 0086-574-86322282
DATE: Jul/20/2011
LightKey
Internal Circuit Diagram
LM20088A (Common Cathode Row)
COL.
1
2
19
3
18
4
17
5
16
6
15
7
14
8
13
PIN
NO. 20
ROW
1
2
3
4
5
6
7
8
PIN
NO.
1
2
3
4
21
22
23
24
5,6,7,8,9,10,11,12 NO CONNECT
Datasheet of 2.00 inch 8x8 Dot Matrix LED Display
LM20088B (Common Anode Row)
COL.
1
2
19
3
18
4
17
5
16
6
15
7
14
8
13
PIN 20
NO.
ROW
1
2
3
4
5
6
7
8
PIN
NO.
1
2
3
4
21
22
23
24
5,6,7,8,9,10,11,12 NO CONNECT
Selection Guide
Part No.
Common
Cathode Row
LM20088AR
LM20088AD
LM20088AO
LM20088AY
LM20088AG
LM20088AUR
LM20088AUO
LM20088AUA
LM20088AUY
LM20088AUG
LM20088APG
LM20088AUB
LM20088AUW
Unit:
\
Common
Anode Row
LM20088BR
LM20088BD
LM20088BO
LM20088BY
LM20088BG
LM20088BUR
LM20088BUO
LM20088BUA
LM20088BUY
LM20088BUG
LM20088BPG
LM20088BUB
LM20088BUW
\
Material
GaAlAs
GaAlAs
GaAsP
GaAsP
GaP
AlGaInP
AlGaInP
AlGaInP
AlGaInP
AlGaInP
InGaN
InGaN
SMD
\
Chip
Color
Super Red
Hi-Red
Orange
Yellow
Green
Ultra Red
Ultra Orange
Ultra Amber
Ultra Yellow
Ultra Green
Pure Green
Ultra Blue
Ultra White
WLD
640
640
625
588
568
640
625
605
595
573
525
470
\
nm
Iv@IF=20mA
One Dot
Min.
8
18
7
8
7
30
45
30
30
30
120
30
100
mcd
Typ.
10
25
9
10
9
45
60
45
45
45
300
45
120
mcd
SPEC NO: DS10121828
REV: A.4
CHECKED: Emily Zhou
APPROVED: M.H. Lin
PAGE: 2/3
HTTP://WWW.DISPLAY-LEDS.COM
TEL: 0086-574-86322282
DATE: Jul/20/2011
LightKey
Electrical
Characteristics
Color
V
F
@
I
F
=20mA
[2]
Typ.
Super Red
Hi-Red
Orange
Yellow
Green
Ultra Red
Ultra Orange
Ultra Amber
Ultra Yellow
Ultra Green
Pure Green
Ultra Blue
Ultra White
Unit:
Notes:
1. At Ta = 25 °C.
2. Forward voltage at forward current = 20mA.
3. Peak forward current at 1/10 Duty Cycle, 0.1ms Pulse.
[1]
Datasheet of 2.00 inch 8x8 Dot Matrix LED Display
Electrical Characteristics & Absolute Maximum Ratings
Absolute Maximum Ratings
[1]
DC
Forward
Current
25
25
30
30
30
30
30
30
30
30
30
30
30
mA
Peak
Forward
Current
[3]
100
100
100
100
100
100
100
100
100
100
100
100
100
mA
Reverse
Current
VR=5V
30
30
30
30
30
30
30
30
30
30
30
30
30
uA
Power
Dissipation
60
60
80
80
80
60
65
65
65
75
110
120
120
mW
Max.
2.2
2.2
2.5
2.5
2.5
2.6
2.6
2.6
2.6
2.6
4.0
4.0
4.0
V
Per Dot
Per Dot
Per Dot
Per Dot
Per Dot
Per Dot
Per Dot
Per Dot
Per Dot
Per Dot
Per Dot
Per Dot
Per Dot
\
1.8
1.8
2.1
2.1
2.2
1.9
2.0
2.0
2.0
2.1
3.5
3.5
3.5
V
SPEC NO: DS10121828
REV: A.4
CHECKED: Emily Zhou
APPROVED: M.H. Lin
PAGE: 3/3
HTTP://WWW.DISPLAY-LEDS.COM
TEL: 0086-574-86322282
DATE: Jul/20/2011
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