(Notice)
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
(Internet)
Data for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)
t
1/ f
td(A-E)
td(L-C)
V
D
(n+2) data
tsu
th
td(E-A)
td(L-A)
td(C-L)
V
D
(n+1) data
t WENA
t
dD
t WL
WCLK
DATA(OUT)
R&G
LATCH
DATA
R&G
CLOCK
ENABLE
V
D
(n) data ON
V
D(
n)
ADDRESS
V
D(
n+1)
(A0 to A3)
OFF
ENA
V
D
(n+1) data ON
OFF
A
Parameter
4.75
3.75
------
------
3.5
------
------
------
------
70
5.0
4.0
140
3.8
------
------
------
------
------
250
5.25
4.25
200
4.2
------
1.5
0.1
0.12
10
1 000
V
V
mA
A
V
V
mA
MH
Z
H
Z
Symbol
MIN.
TYP. MAX.
Unit
V
CC
V
LED
I
CC
I
LED
V
IH
V
IL
I
IH
I
IL
f
CLK
f
FR
Supply voltage for IC
Supply voltage for LED
IC current dissipation
*1
LED current dissipation
*1
Input voltage
Input current
Clock frequency
Frame frequency
*1 Under the condition that dichromatic all dots are lit.
(V
CC
=5V,V
LED
=4V,Ta=25C)
161
s
Absolute Maximum Ratings
s
Optical Characteristics
s
Terminal Functions
s
Electrical Characteristics
s
Timing Chart
s
Block Diagram
Dot Matrix LED Unit for Indoor Use LT1550ED(Chip Type)
s
Features
No. of dots : 16!32dots
Outline dimensions : 64.0!128.0mm
Dot size : 3.0!3.0mm
Dot pitch : 4.0mm
Radiation color : Yellow-green+Red(dichromatic type)
Driving method : 1/16 duty dynamic drive
Parameter
Supply voltage for IC
V
CC
-0.3 to +5.5
V
(Ta=25C)
*1 25% or less of lighting
Symbol
Rating
Unit
V
LED
-0.3 to +4.5
V
V
1
-0.3 to Vcc+0.3
V
t
ON
1
ms
T
opr
-10 to +60
*1
C
T
stg
-20 to +70
C
P
20
W
Supply voltage for LED
Input voltage
Turn-on time
Operating temperature
Storage temperature
Power dissipation
Parameter
Red
Yellow-green
Red
Yellow-green
120
cd/m
2
Symbol
TYP.
Unit
Lv
180
120
2
1
/
2
635
nm
p
565
Luminance
Viewing angle
Peak emission wavelength
(V
CC
=5V,V
LED
=4V,Ta=25C)
Connector
V
LED
V
CC
Power
supply
(CN1)
Input
signal
(CN2)
Output
signal
(CN3)
GND
A0 to A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND
A0 to A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND
Supply voltage for LED (+4V)
Supply voltage for IC (+5V)
Ground
Address specification signal for row driver
Serial data input for red (H=ON, L=OFF)
Serial data input for yellow-green (H=ON, L=OFF)
Latch signal of display data. H: Serial data is
converted to parallel data. L: Contents are latched.
Controls ON/OFF of LED (H: LED OFF)
Clock signal for data transmission in the
shift-register. (LH: serial data is shifted.)
Ground for signal
Buffered input signal
Input signal generated through 32-bit shift register
or buffer
Input signal generated through 32-bit shift register
or buffer
Buffered input signal
Buffered input signal
Buffered input signal
Ground for signal
Symbol
Function
Each signal is used as input signal for next unit.
* As for the terminal number, refer to the outline dimensions.
A
N
D
L
U
M
I
N
A
N
C
E
A
D
J
U
S
T
M
E
N
T
C
I
R
C
U
I
T
A
N
D
L
U
M
I
N
A
N
C
E
A
D
J
U
S
T
M
E
N
T
C
I
R
C
U
I
T
Pch FET DRIVER
DICHROMATIC
16
!
16DOT
!
2
LED MATRIX
3
2
B
I
T
3
2
B
I
T
Input/output circuit
HC367
331
473
A0
A1
A2
RDATA
GDATA
LATCH
CLOCK
IN
A3
ENABLE
OUT
4 TO 16 DECODER
S
H
I
F
T
-
R
E
G
I
S
T
E
R
,
L
A
T
C
H
,
D
R
I
V
E
R
S
H
I
F
T
-
R
E
G
I
S
T
E
R
,
L
A
T
C
H
,
D
R
I
V
E
R
A0
A1
A2
RDATA
GDATA
LATCH
CLOCK
A3
ENABLE
LT1550ED
(Notice)
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
(Internet)
Data for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)
176
Dot Matrix LED Unit
Outline Dimensions(Unit:mm)
1
36.0
30.0
CN1
V
V
1
2
3
4
HD0
VD15
VD0
0.2
HD15
(Output signal)
GND1
9
8
3
A
A
A
A
RDATA
5
4
3
2
2
CN3
1
0
1
4
3
2
1
0
1
2
3
CN2
A
A
A
A
RDATA
LATCH
7
10
CLOCK
LATCH
7
9
8
10
ENABLE
CLOCK
GND1
5
6.6
8 MIN
4-M3.0
1
13 MAX
6.6
0.1
28.0
62.5
25.0
19 MAX
7 MIN
10
10
2 MAX
23.2
1
CN3
VR1
VR2
CN1
8MAX
28.0
23.5
4.5
28.0
0.1
10.5
22.8
4
0.1
4
28.0
1
6
32.0 MAX
6 GDATA
GDATA
0.2
Pin connection
(Power supply)
LED
CC
GND1
GND2
16.5
62.5
CN2
20 MAX
(Input signal)
19 MAX
P4.0
!
15=60.0
63.8
P4.0X15=60.0
63.8
(Depth 6.0)
256-2.8
0.1
ENABLE
20
V
HD15
D31
(32.5)
(40)
-0.4
+0.2
79.9
(2.45)
(2.45)
2.5X13=
2.5
!
13=
-0.4
+0.2
39.9
(32.5)
Data shift direction
V
D0
A0
A1
A2
A3
6
5
1
2
3
4
5
VLED
VLED
Name
Name
Name
VCC
GND
GND
CLOCK
9
4
1
8
7
RDATA
GDATA
LATCH
ENABLE
3
2
VR1
CN2
CN3
VR2
VR3
VR4
9
ENABLE
CLOCK
GND
6
GDATA
7
LATCH
GND
1
A3
RDATA
A0
A1
A2
2
3
4
5
8
73
(15)
(25)
(25)
(15)
5
10
1
10
1
1
512-2
4-M3(Depth6)
(2.45)
(8.5)
(37)
(33)
33
(2.45)
CN1(Power supply)
CN2(Input signal)
Pin No.
Pin No.
Pin No.
10
CN3(Output signal)
10
H D0
C N 1
Pin connection
4.0
!
15=59.25
4.0
!
15=59.25
CN1(Power supply)
CN3(Output signal)
CN2(Input signal)
Name
Name
Name
VDD
VLED
GND1
GND2
A0
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND1
A0
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND1
1
2
3
4
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
10
NO
NO
NO
Depth5MIN.
Hexagonal supporter
Height
Data shift direction
GADJ
RADJ
HD0
VD15
VD0
HD15
4
CN1
1
CN2
CN3
1
10
22.5
7.5
5
14.3
7.5MAX
10.1
13.2
10
256-3.0
27.45
3.35
1
3.05
1
17.05
5.2
7.75
1
4-M3
46
46
63.9
63.9
Pin connection
LT1465ED/LT1465M
LT1461ED
LT1481ED
1
2
3
128
64
8.2
HD0
VD0
VD31
Data shift direction
HD15
44.0
44.0
15.0
1
7
CN3
CN2
10
54
0.25
22.0
10.0
19.7
1
10
OUT
IN
6-M3 Insert nut
(Effective screw depth 4.0)
19.7
VR1
VR2
1
A0
2
3
4
5
6
7
8
9
10
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND
CN2(Input signal)
Pin No.
Name
Pin connection
1
A0
2
3
4
5
6
7
8
9
10
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND
Pin No.
Name
CN3(Output signal)
1
VLED
2
3
4
5
6
VLED
VLED
VCC
GND
GND
CN1(Power supply)
Pin No.
Name
7
GND
512-3
t
chip LED
CN1
1
-0.8
+0
-0.5
+0
110
0.25
LT1550ED
4
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