LightKey
Datasheet of 1.20 inch 8x8 Square Dot Matrix LED Display
LM12288A/B Series – 1.20 inch 8x8 Square Dot Matrix LED Display
ATTENTION
OBSERVE PRECAUTIONS
FOR HANDLING
ELECTROSTATIC
DISCHARGE
SENSITIVE
DEVICES
Features
31.70mm (1.20inch) matrix height
Dot size: 3x3mm
Pitch: 4.00mm
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
3.0*3.0
2
3
4
5
6
7
8
ROW
1
2
4.00*7=28.00
3
31.70
4
5
6
7
8
PIN 1
4.00*7=28.00
31.70
8.00
0.50
0.51
24.00
2.54*7=17.78
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: DS10121811
REV: A.4
5.30
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
Datasheet of 1.20 inch 8x8 Square Dot Matrix LED Display
LM12288A (Common Cathode Row)
LM12288B (Common Anode Row)
COL.
1
PIN
NO.
13
PIN
ROW NO.
9
1
2
3
4
5
6
7
8
1
7
2
5
14
8
2
3
3
4
4
10
5
6
6
11
7
15
8
16
COL. 1
PIN
NO. 13
PIN
ROW NO.
9
1
2
3
4
5
6
7
8
14
8
12
1
7
2
5
2
3
3
4
4
10
5
6
6
11
7
15
8
16
Selection Guide
Part No.
Common
Cathode Row
LM12288AR
LM12288AD
LM12288AO
LM12288AY
LM12288AG
LM12288AUR
LM12288AUO
LM12288AUA
LM12288AUY
LM12288AUG
LM12288APG
LM12288AUB
LM12288AUW
Unit:
\
Common
Anode Row
LM12288BR
LM12288BD
LM12288BO
LM12288BY
LM12288BG
LM12288BUR
LM12288BUO
LM12288BUA
LM12288BUY
LM12288BUG
LM12288BPG
LM12288BUB
LM12288BUW
\
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
8
18
7
8
7
30
45
30
30
30
120
30
100
mcd
Iv@IF=20mA
One Dot
Min.
Typ.
10
25
9
10
9
45
60
45
45
45
300
45
120
mcd
SPEC NO: DS10121811
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
Datasheet of 1.20 inch 8x8 Square Dot Matrix LED Display
Electrical Characteristics & Absolute Maximum Ratings
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]
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: DS10121811
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
PCB Design
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