Single Color 8x8 Dot Matrix Displays
Part No.
Digit Size
Column
Common
Anode
BM-20288MD
BM-20488MD
2.30
High
5.0
BM-20488MA
BM-20688MD
BM-20688MA
BM-20F88MD
BM-20J88MD
BM-20K88MD
BM-21288MD
BM-21488MD
BM-21488MA
BM-21688MD
BM-21688MA
BM-21F88MD
BM-21J88MD
BM-21K88MD
Column
Common
Cathode
BM-20288ND
BM-20488ND
BM-20488NA
BM-20688ND
BM-20688NA
BM-20F88ND
BM-20J88ND
BM-20K88ND
BM-21288ND
BM-21488ND
BM-21488NA
BM-21688ND
BM-21688NA
BM-21F88ND
BM-21J88ND
BM-21K88ND
Chip
Material/Emitted
Color
GaP/ GaP/ Yellow Green
GaAsP/GaP/ Hi-Eff.Red
GaAsP/GaP/ Hi-Eff.Red
GaAlAs/ SH/ Super Red
GaAlAs/ SH/ Super Red
GaAlAs/ DDH/ Super Red
AlGaInP/GaAs/ Ultra Orange
AlGaInP/GaAs/ Ultra Yellow
GaP/ GaP/ Yellow Green
GaAsP/GaP/ Hi-Eff.Red
GaAsP/GaP/ Hi-Eff.Red
GaAlAs/ SH/ Super Red
GaAlAs/ SH/ Super Red
GaAlAs/ DDH/ Super Red
AlGaInP/GaAs/ Ultra Orange
AlGaInP/GaAs/ Ultra Yellow
Electro-optical
Data(At 10mA)
Drawing
Peak
Vf
Iv. Typ.
No.
Wave
(v)
Pd
If
Ifp
Per.Seg.
Length (nm) (mw) (mA) (mA)
Typ. Max. (mcd)
p(nm)
568
635
635
660
660
660
620
592
568
635
635
660
660
660
620
592
30
45
45
20
20
20
17
15
30
45
45
20
20
20
17
15
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
2.1
2.0
2.0
1.7
1.7
2.0
2.0
2.1
2.1
2.0
2.0
1.7
1.7
2.0
2.0
2.1
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
12.0
12.0
17.0
17.0
21.0
23.0
25.0
25.0
12.0
12.0
17.0
17.0
21.0
23.0
25.0
25.0
DM-21
Absolute Maximum
Ratings
2.3
High
6.1x6.1
DM-22
DM-21
BM-20x88 MD
N
DM-22
BM-21x88 MD
N
60.20(2.370)
45.72(1.800)
60.20(2.370)
45.72(1.800)
PIN 1.
+
PIN 1.
+
60.20(2.370)
E5.0(.197)
COL.
1
2
3
4
5
6
7
8
60.20(2.370)
6.1x6.1
(0.24x0.24)
COL.
1
2
3
4
5
6
7
8
ROW.
1
2
3
8.90(.350)
E0.50
(.020)
2.54x7=17.78(.700)
ROW.
3.00(.118)
MIN.
BM-21x88MD
1
2
3
4
5
6
7
8
8.90(.350)
E0.50(.020)
2.54x7=17.78(.700)
3.00(.118)
MIN.
4
5
6
7
8
BM-20x88MD
13
9
14
8
12
1
7
2
5
3
4
10
6
11
15
16
9
14
8
12
1
7
2
5
13
BM-20x88ND
3
4
10
6
11
15
16
9
14
8
12
1
7
2
5
13
BM-21x88ND
11
15
16
9
14
8
12
1
7
2
5
13
3
4
10
6
11
15
16
3
4
10
6
NOTES: 1.All Dimensions are in millimeters(inches).
3.Specifications are subject to change without notice.
2.Tolerance isA0.25mm(.010D).
4.NP:No Pin.
5.NC:No Connect.
Yellow Stone corp.
886-2-28221522 FAX:886-2-28202309
YELLOW STONE
CORP. Specifications subject to change without notice.
www.ystone.com.tw
ADI Reference Circuit
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EEWORLD
