LightKey

SPEC NO: DS10121798

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 0.70 inch 8x8 Dual Color Dot Matrix LED Display

Internal Circuit Diagram

LM7057ARG (Common Cathode Row)

LM7057BRG (Common Anode Row)

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

17

17

18

18

19

19

20

20

21

21

22

22

23

23

24

24

12

34

56

78

16

16

15

15

14

14

13

13

12

12

11

11

10

10

9

9

1

2

3

4

5

6

7

8

PIN

NO.

PIN

NO.

COL.

RED

GREEN

1

2

34

56

78

1

2

3

4

5

6

7

8

PIN

NO.

PIN

NO.

COL.

Selection Guide

0.70 inch 8x8 Red-Green LED dot matrix module, Matrix Height: 20.20mm(0.70 inch), External

Dimensions: 20.20x20.20x5.90mm (L x W x H)

Part No.

Chip

Iv(mcd)@20mA

One Dot

Description

Common

Cathode Row

Common

Anode Row

Material

Color

W LD

(nm)

Min.

Typ.

GaAlAs

Super Red

640

8

10

Standard

Brightness

LM7088ARG

LM7088BRG

GaP

Green

568

7

9

AlGaInP

Ultra Red

640

30

45

Ultra-High

Brightness

LM7088AURUG

LM7088BURUG

AlGaInP

Ultra

Green

573

30

45