(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/)
(K-L)
ON
1/fosc
V
D
(n) data ON
t d
WKNA
(K-A)
t d (A-K)
Internal
out
out
t
CLOCK
RDATA
GDATA
RDATA
GDATA
LATCH
ENABLE
RENABLE
GENABLE
ADDRESS
(A0, A1)
V
D
(n+1) data ON
V
D
(n+1)
V
D
(n)
OFF
t d(L-A)
ON
OFF
ON
t d
V
D
(N+1)
V
D
(n+2) data
t d
t d
t d D
t
WL
t
S U
t h
t
WCLK
(C-L)
(L-C)
(L-K)
t d
Parameter
Viewing angle(Horizontal)
Peak emission wavelength
Symbol
2
1
/
2
p
TYP
70
660
565
Unit
nm
(V
CC
=5V,V
LED
=4.5V,Ta=25C)
Red
Yellow-green
Parameter
Supply voltage for IC
Supply voltage for LED
Input voltage
Turn-on time
Operating temperature
Storage temperature
Power dissipation
Symbol
V
DD
V
LED
V
I
t
ON
T
opr
T
stg
P
Rating
-0.3 to +5.5
-0.3 to +5.0
-0.3 to Vcc+0.3
1
-10 to +45
-20 to +100
38
Unit
V
V
V
ms
C
C
W
(Ta=25C)
169
s
Absolute Maximum Ratings
s
Electrical Characteristics
s
Timing Chart
s
Block Diagram
s
Optical Characteristics
LT1448MA
Dot Matrix LED Unit for Outdoor Use LT1448MA(Lamp Type,Water-proof Type)
s
Features
No. of dots : 16!16dots
Outline dimensions : 160!160mm
Dot size : 7.5mm(Using oval lamp)
Dot pitch : 9.9mm
Radiation color : Yellow-green+Red(High-luminosity)dichromatic type
Driving method : 1/4 duty dynamic drive
s
Terminal Functions
Parameter
Supply voltage for IC
Supply voltage for LED
IC current dissipation
*1
LED current dissipation
*1
Input voltage
Input current
Clock frequency
Frame frequency
Symbol
V
DD
V
LED
I
DD
I
LED
V
IH
V
IL
I
IH
I
IL
f
CLK
f
FR
MIN.
4.75
4.25
------
------
3.5
------
------
------
------
250
TYP.
5.0
4.5
400
6.0
------
------
------
------
------
400
MAX.
5.25
4.75
800
7.0
------
1.5
0.1
0.12
10
3 000
Unit
V
V
mA
A
V
V
A
mA
MH
Z
H
Z
(V
CC
=5V,V
LED
=4.5V,Ta=25C)
*1 Under the condition that dichromatic all dots are lit.
Connector
Power supply
(CN1)
Input signal
(CN2)
Output signal
(CN3)
Symbol
V
LED
V
CC
GND1
GND2
A0,A1
RDATA
GDATA
LATCH
RENABLE
GENABLE
CLOCK
GND1
A0,A1
RDATA
GDATA
LATCH
RENABLE
GENABLE
CLOCK
GND1
Function
Supply voltage for LED(+4.5V)
Supply voltage for IC(+5V)
Ground for IC
Ground for LED
Address specification signal for column driver
Serial data input for each color(H:ON, L:OFF)
Shift from up to down in the unit
(H
D48
/H
D63
/H
D32
/H
D47
/H
D16
/H
D31
/H
D0
/H
D15)
Latch signal of display data
L/H: Contents of shift register are latched.
Controls ON/OFF of each color of LED
(H: LED OFF)
Clock signal for data transmission in the shift-
register.(L/H: serial data is shifted.)
Ground for signal (Connected to ground for IC)
Buffered input signal
Input signal generated through 64-bit shift register or
buffer
Buffered input signal
Buffered input signal
Buffered input signal
Ground for signal (Connected to ground for IC)
Each signal is used as input signal for next unit.
* As for the terminal number, refer to the outline dimensions.
MONO-MULTI
473
331 HC541
Luminance adjustment circuit
Input/output circuit
A0
A1
RENABLE
RDATA
GDATA
CLOCK
VR1
H
D0
H
D48
OUT
IN
OSC
VR2
HC123
LATCH
GENABLE
GND1
PNP DRIVER
3 to 8 DECODER
A0
A1
RENABLE
RDATA
GDATA
CLOCK
LATCH
GENABLE
GND1
H
D15
H
D16
H
D31
H
D32
H
D47
H
D63
1
6
b
i
t
S
H
I
F
T
R
E
G
I
S
T
E
R
/
L
A
T
C
H
/
D
R
I
V
E
R
1
6
b
i
t
S
H
I
F
T
R
E
G
I
S
T
E
R
/
L
A
T
C
H
/
D
R
I
V
E
R
1
6
b
i
t
S
H
I
F
T
R
E
G
I
S
T
E
R
/
L
A
T
C
H
/
D
R
I
V
E
R
1
6
b
i
t
S
H
I
F
T
R
E
G
I
S
T
E
R
/
L
A
T
C
H
/
D
R
I
V
E
R
1
6
b
i
t
S
H
I
F
T
R
E
G
I
S
T
E
R
/
L
A
T
C
H
/
D
R
I
V
E
R
1
6
b
i
t
S
H
I
F
T
R
E
G
I
S
T
E
R
/
L
A
T
C
H
/
D
R
I
V
E
R
1
6
b
i
t
S
H
I
F
T
R
E
G
I
S
T
E
R
/
L
A
T
C
H
/
D
R
I
V
E
R
1
6
b
i
t
S
H
I
F
T
R
E
G
I
S
T
E
R
/
L
A
T
C
H
/
D
R
I
V
E
R
H
D0
H
D48
H
D15
H
D16
H
D31
H
D32
H
D47
H
D63
16
!
16
Dot matrix
LED
V
D0
V D15
s
Luminance
Radiation color
Red
Yellow-green
1
1 100
700
2
1 300
800
Unit
cd/m
2
(V
CC
=5V,V
LED
=4.5V,Ta=25C)
Rank
Luminance is classified into 2 ranks shown below.
(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/)
178
159
P10
!
13=130
9.5
9.5
1
5
9
9
.
5
2
.
5
9
.
5
P
1
0
!
1
3
=
1
3
0
156
154
60
60
256-7.5
1
1
VR1
VR2
CN2
5
7
CN1
1
5
6
9
.
7
5
51
6
9
.
7
5
7
CN3
1
49
21
Depth7
1
5
.
8
4
7
0
6-M3
3
1
7 RDATA
CN2(Input signal)
4 GND
GENABLE
2
5 CLOCK
3 LATCH
1 GDATA
5 CLOCK
6 RENABLE
6 RENABLE
3 LATCH
1 GDATA
GENABLE
4 GND
2
7 RDATA
CN3(Output signal)
1 VLED
Pin connection
CN1(Power supply)
4 GND
5 VLED
3 VCC
2 GND
1
3
0
1
5
7
15
23
52
38
1.6t
Dot Matrix LED Unit
Outline Dimensions(Unit:mm)
15
18
13.3
H
D16
H
D31
V
D15
P9.0
!
15=
P
9
.
0
!
1
5
=
D
a
t
a
s
h
i
f
t
d
i
r
e
c
t
i
o
n
135
144
256-7.5L E D
D0
H
1
3
5
1
4
4
4-M3(Depth 6MIN.)
Hexagonal spacer ASB315
V
D0
D15
H
LATCH
1
Ao
2
3
A1
A2
CN3(Output signal)
10
5
RDATA
6
GDATA
8
GENABLE
9
CLK
GND1
7
GND2
1
2
3
Ao
A1
A2
VDD
VLED
VLED
6
5
4
3
2
1
GND1
10
5
RDATA
6
GDATA
7
LATCH
8
9
CLK
GND1
GND2
6
1
19.8
10
125.58
1
10
4
RENABLE
2
2
.
5
1
2
5
.
5
8
1
5
CN1
4
CN3
CN2
RENABLE
GENABLE
CN2(Input signal)
CN1(Power supply)
1
Pin connection
11.6
12
HD16
HD15
HD13
HD47
HD63
VD15
VD0
159
HD32
148.5
(P9.9
!
15)
(
P
9
.
9
!
1
5
)
HD0
1
4
8
.
5
1
5
9
.
5
1 A0
CN2:Input signal
2 VLED
4 GND1
3 Vcc
1 VLED
CN1:Power supply
4 RENABLE
3 GND1
CN3:Output signal
1 A0
2 A1
10 GND1
9 CLK
7 LATCH
6 GDATA
5 RDATA
10 GND1
8 GENABLE
7 LATCH
6 GDATA
5 RDATA
9 CLK
3 GND1
6 GND2
5 GND2
2 A1
20
59.4
59.4
159
10
Height 3
132
10
VR2
VR1
1
CN2
CN1
6
CN3
1
1
0
6
4
7
1
5
9
1
6-M3(Depth10)
20
Water-proof ring
5
5
3 Boss
22
5
9
.
4
6
1
1
9
.
8
8 GENABLE
4 RENABLE
4
6
.
5
6
1
HD48
2
2
.
5
5
9
.
4
D
a
t
a
s
h
i
f
t
d
i
r
e
c
t
i
o
n
Pin connection
LT1448MA
LT1442M/LT1445M
LT1447M
9
10
11
RADJ
P14.9
!
15=223.5
239.2
P
1
4
.
9
!
1
5
=
2
2
3
.
5
1
2
0
.
0
HD16
HD31
HD0
HD15
1
1
9
.
6
VD0
VD15
11.0
MAX.
Height
(Except CN1 to 3)
8
0
.
0
2
0
6
.
0
11.0 18.0 16.6
206.0
190.0
217.0
CN1
6
177.0
60.0
1
5
0
.
0
5
0
.
0
10
1
CN3
10
2-
3.0(Height3)
Positioning pin
Water-proof rubber
8-
7.0 concave
2
1
7
.
0
1
1
9
.
6
1
1
9
.
6
1
5
9
.
0
P
2
.
5
!
9
=
2
2
.
5
P3.96
!
5=19.8
145.0
12-
(M3)
Insert nut
6
Depth
MIN.
45.0
1
0
.
0
9
.
0
1
GADJ
CN2
4
.
0
6.5
7.0
1
A0
2
3
4
5
6
7
8
9
10
A1
A2
RENABLE
RDATA
GDATA
LATCH
GENABLE
CLOCK
GND1
CN2
Pin No.
Name
Pin connection
(Input signal)
1
A0
2
3
4
5
6
7
8
9
10
A1
A2
RENABLE
RDATA
GDATA
LATCH
GENABLE
CLOCK
GND1
Pin No.
Name
(Output signal)
CN3
1
VLED
2
3
4
VLED
Vcc
GND1
CN1
Pin No.
Name
(Power supply)
5
GND2
6
GND2
2
5
.
0
2
5
.
0
256-13.0
!
13.0
D
a
t
a
s
h
i
f
t
d
i
r
e
c
t
i
o
n
LT1540M
12
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