lt1455m Sharp Microelectronics of the Americas, lt1455m Datasheet
lt1455m
Manufacturer Part Number
lt1455m
Description
Matrix Unit Indoor/outdoor Use Lamp Type
Manufacturer
Sharp Microelectronics of the Americas
Datasheet
1.LT1455M.pdf
(2 pages)
(Notice)
(Internet) ¡Data for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)
Each figure in the table is the one of LT1455M/LT1456M in sequence.
Each figure in the table is the one of LT1455M/LT1456M in sequence.
Luminance is classified into 2 ranks shown below.
Each signal is used as input signal for next unit.
* As for the terminal number, refer to the outline dimensions
Dot Matrix LED Unit for Indoor/Outdoor Use LT1455M/LT1456M(Lamp Type)
¡No. of dots : 16 16dots
¡Outline dimensions : 96.0 96.0mm
¡Dot size : ø5.0mm
¡Dot pitch : 6.0mm
¡Radiation color : Yellow-green+Red(High-luminosity)dichromatic type
¡Driving method : 1/8 duty dynamic drive
Radiation color
Peak emission wavelength
Power supply
Output signal
Input signal
Connector
Yellow-green
(CN1)
(CN2)
(CN3)
Supply voltage for IC
Supply voltage for LED
Input voltage
Turn-on time
Operating temperature
Storage temperature
Power dissipation
Features
Absolute Maximum Ratings
Optical Characteristics
Luminance
Terminal Functions
Viewing angle
Red
Parameter
¡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.
Parameter
V
V
GND1
GND2
A0 to A2
RENABLE
GENABLE
RDATA
GDATA
LATCH
CLOCK
GND1
A0 to A2
RENABLE Buffered input signal
RDATA
GDATA
LATCH
GENABLE
CLOCK
GND1
Symbol
LED
CC
Yellow-green
Red
Supply voltage for LED(+5V)
Supply voltage for IC(+5V)
Ground for IC
Ground for LED
Address specification signal for column driver
Controls ON/OFF of each color of LED
(H: LED OFF)
Serial data input for red(H=ON, L=OFF)
Shift from up to down in the unit
H
Serial data input for yellow-green(H=ON, L=OFF)
Shift from up to down in the unit
H
Latch signal of display data H: Serial data is converted
to parallel data.L: Contents are latched.
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 32-bit shift register
Input signal generated through 32-bit shift register
Buffered input signal
Buffered input signal
Buffered input signal
Ground for signal (Connected to ground for IC)
450/700
330/700
D16
D16
Symbol
1
2
/H
/H
1
p
/
Symbol
2
V
V
V
t
T
T
P
D31
D31
ON
opr
stg
CC
LED
I
/H
/H
Rank
D0
D0
/H
/H
-0.3 to Vcc+0.3
Function
-0.3 to +6.0
-0.3 to +5.5
-10 to +65
-20 to +85
D15
D15
50/40
TYP.
550/1000
450/1000
660
565
(V
(V
Rating
CC
22
CC=
1
2
=5V,V
5V,V
LED
LED=
=5V,Ta=25˚C)
5V,Ta=25˚C)
(Ta=25˚C)
Unit
cd/m
ms
˚C
˚C
Unit
Unit
W
V
V
V
nm
˚
2
*1 Under the condition that dichromatic all dots are lit.
Supply voltage for IC
Supply voltage for LED
IC current dissipation
LED current dissipation
Signal input voltage
Signal input current
Clock frequency
Frame frequency
A0
A1
A2
RENABLE
RDATA
GDATA
LATCH
GENABLE
CLOCK
Electrical Characteristics
Timing Chart
Block Diagram
GENABLE
CLOCK
RDATA
GDATA
RDATAout
GDATAout
LATCH
Internal
ENABLE
RENABLE
ADDRESS
Parameter
(A0~A2)
Luminance adjustment circuit
LT1455M
OSC
ON
tsu
VR1
t=1/f osc
V0(n+1) data
ON
MONO-MULTI
th
td
V
V
D
D
D(
*1
HC123
(n) data ON
n)
ON
td(E-L)
V
HD16
HD31
td(E-A)
HD31
HD16
VR2
D0
ON
DICHROMATIC
3 TO 8 DECODER
PNP DRIVER
td(C-L)
16 16 DOT
Symbol
V
V
I
I
V
V
I
I
f
f
MATRIX
CC
LED
IL
IH
CLK
FR
CC
LED
IL
IH
LED
td(L-C)
OFF
t
WL
Input/output circuit
473
ON
V
D
V
(n+1) data ON
HD15
HD0
HD15
HD0
MIN. TYP.
D15
td(A-E)
4.75
V
125
------
------
------
------
------
------
ON
LT1456M
4.5
3.5
D
td(L-E)
331
(n+2) data
VD(n+1)
t
(V
WCLK
ON
CC
HC367
=5V,V
200
------
------
------
------
------
5.0
5.0
3.5
15
t
OFF
WENA
LED
OUT
MAX.
5.25
5.25
0.12
------
400
3.9
1.5
0.1
3.0
40
=5V,Ta=25˚C)
A0
A1
A2
RENABLE
RDATA
GDATA
LATCH
GENABLE
CLOCK
MHz
Unit
mA
mA
Hz
V
V
A
V
V
A
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lt1455m Summary of contents
Page 1
... Each figure in the table is the one of LT1455M/LT1456M in sequence. Luminance Luminance is classified into 2 ranks shown below. Rank Radiation color 1 Red 450/700 Yellow-green 330/700 Each figure in the table is the one of LT1455M/LT1456M in sequence. Terminal Functions Connector Symbol V Supply voltage for LED(+5V) LED V Supply voltage for IC(+5V) Power supply ...
Page 2
... D15 V D0 95.5 78.0 4-M3(Depth6MIN) (5.0) CN3 10 1 CN1 VR2 (26.0) LT1455M/LT1456M 3 (256-ø5.0) H D16 H D31 V D15 Pin connection CN1(Power supply (4.0) CN2(Input signal CN2 VR1 VLED VCC GND1 GND2 CN3(Output signal ...