LightKey
Datasheet of 1.90 inch 8x8 Dot Matrix LED Display
LM19088A/B Series – 1.90 inch 8x8 Dot Matrix LED Display
ATTENTION
OBSERVE PRECAUTIONS
FOR HANDLING
ELECTROSTATIC
DISCHARGE
SENSITIVE
DEVICES
Features
47.80 mm (1.90 inch) matrix height
Dot size: Diameter 4.80 mm
Pitch: 6.00 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
6.00*7=42.00
3
47.80
4
5
6
7
8
PIN 1
6.00*7=42.00
47.80
4.
80
9.00
0.51
36.00
2.54*12=30.48
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: DS10121821
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
LM19088A (Common Cathode Row)
COL. 1
PIN
NO.
24
PIN
ROW NO.
1
23
2
3
4
5
6
7
8
1
20
4
17
7
14
10
Datasheet of 1.90 inch 8x8 Dot Matrix LED Display
LM19088B (Common Anode Row)
8
11
2
2
3
21
4
5
5
18
6
8
7
15
COL. 1
PIN
NO.
24
PIN
NO.
23
1
20
4
17
7
14
10
2
2
3
21
4
5
5
18
6
8
7
15
8
11
ROW
1
2
3
4
5
6
7
8
3,6,9,12,13,16,19,22 NO PIN
3,6,9,12,13,16,19,22 NO PIN
Selection Guide
Part No.
Common
Cathode Row
LM19088AR
LM19088AD
LM19088AO
LM19088AY
LM19088AG
LM19088AUR
LM19088AUO
LM19088AUA
LM19088AUY
LM19088AUG
LM19088APG
LM19088AUB
LM19088AUW
Unit:
\
Common
Anode Row
LM19088BR
LM19088BD
LM19088BO
LM19088BY
LM19088BG
LM19088BUR
LM19088BUO
LM19088BUA
LM19088BUY
LM19088BUG
LM19088BPG
LM19088BUB
LM19088BUW
\
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: DS10121821
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 1.90 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: DS10121821
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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