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LM20057AB Datasheet(PDF) 2 Page - LightKey Optoelectronics Ltd.

Part # LM20057AB
Description  2.00 inch 5x7 Dot Matrix LED Display
PDF  3 Pages
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Manufacturer  LIGHTKEY [LightKey Optoelectronics Ltd.]
Direct Link  http://www.display-leds.com
Logo LIGHTKEY - LightKey Optoelectronics Ltd.

LM20057AB Datasheet(HTML) 2 Page - LightKey Optoelectronics Ltd.

  LM20057AB Datasheet HTML 1Page - LightKey Optoelectronics Ltd. LM20057AB Datasheet HTML 2Page - LightKey Optoelectronics Ltd. LM20057AB Datasheet HTML 3Page - LightKey Optoelectronics Ltd.  
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LightKey
SPEC NO: DS10121826
REV: A.4
CHECKED: Emily Zhou
APPROVED: M.H. Lin
PAGE: 2/3
HTTP://WWW.LTKEY.COM
TEL: 0086-574-86322282
DATE: Jul/20/2011
Datasheet of 2.00 inch 5x7 Dot Matrix LED Display
Internal Circuit Diagram
LM20057A (Common Cathode Row)
LM20057B (Common Anode Row)
3
2
4
5
6
7
ROW
1
2
2
3
12
7
1
14
5
8
PIN
NO.
PIN
9
NO.
COL.
13
1
411
3
10
6
4
5
7
2
4
6
5
3
2
ROW
1
7
1
8
5
13
PIN
NO.
9
PIN
NO.
NO.
COL.
3
12
4 11
10
3
4
6
5
12
14
Selection Guide
Part No.
Chip
Iv@IF=20mA
One Dot
Common
Cathode Row
Common
Anode Row
Material
Color
WLD
Min.
Typ.
LM20057AR
LM20057BR
GaAlAs
Super Red
627
8
10
LM20057AD
LM20057BD
GaAlAs
Hi-Red
627
18
25
LM20057AO
LM20057BO
GaAsP
Orange
610
7
9
LM20057AY
LM20057BY
GaAsP
Yellow
588
8
10
LM20057AG
LM20057BG
GaP
Green
568
7
9
LM20057AUR
LM20057BUR
AlGaInP
Ultra Red
627
30
45
LM20057AUO
LM20057BUO
AlGaInP
Ultra Orange
610
45
60
LM20057AUA
LM20057BUA
AlGaInP
Ultra Amber
605
30
45
LM20057AUY
LM20057BUY
AlGaInP
Ultra Yellow
595
30
45
LM20057AUG
LM20057BUG
AlGaInP
Ultra Green
573
30
45
LM20057APG
LM20057BPG
InGaN
Pure Green
525
120
300
LM20057AUB
LM20057BUB
InGaN
Ultra Blue
470
30
45
LM20057AUW
LM20057BUW
InGaN
Ultra White
\
100
120
Unit:
\
\
\
nm
mcd
mcd



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