Dot Matrix LED Unit for Indoor Use LT1465M(Lamp Type)
s
Features
隆No.
of dots : 16!16dots
隆Outline
dimensions : 64!64mm
隆Dot
size : 酶3.0mm
隆Dot
pitch : 4.0mm
隆Radiation
color : Yellow-green+Red(High-luminosity)dichromatic type
隆Driving
method : 1/16 duty dynamic drive
LT1465M
s
Absolute Maximum Ratings
Parameter
Supply voltage for IC
Supply voltage for LED
Input voltage
Turn-on time
Operating temperature
Storage temperature
Power dissipation
Symbol
V
CC
V
LED
V
I
t
ON
T
opr
T
stg
P
Rating
-0.3 to +6.0
-0.3 to +5.5
-0.3 to Vcc+0.3
1
-20 to +45
-20 to +85
13
(Ta=25藲C)
s
Electrical Characteristics
Parameter
Supply voltage for IC
Supply voltage for LED
IC current dissipation
*1
LED current dissipation
*1
(V
CC
=5V,V
LED
=5V,Ta=25藲C)
Unit
V
V
V
ms
藲C
藲C
W
s
Optical Characteristics
Parameter
Symbol
s
Optical Characteristics
Viewing angle
Peak emission wavelength Red
Yellow-green
2胃
1
/
2
位p
(V
CC
=5V,V
LED
=5V,Ta=25藲C)
TYP.
110
660
565
Unit
藲
nm
Symbol
MIN. TYP. MAX. Unit
V
5.25
4.75
5.0
V
CC
V
5.25
4.5
5.0
V
LED
------
mA
40
20
I
CC
------
2.0
I
LED
A
1.7
------
------
V
IH
3.5
V
Input voltage
------
------
V
IL
1.5
V
------
------
碌A(chǔ)
I
IH
0.1
Input current
------
------
I
IL
0.12
mA
------
------
Clock frequency
MHz
3.0
f
CLK
Frame frequency
f
FR
80
100
625
Hz
*1 Under the condition that dichromatic all dots are lit.
s
Timing Chart
t
SU
th
t
WCLK
s
Luminance
Luminance is classified into 2 ranks shown below.
(V
CC
=5V,V
LED
=5V,Ta=25藲C)
CLOCK
RDATA
GDATA
(n+1) th line's data
(n+2) th line's data
t d (C-L)
t dD
t d (L-C)
t
WL
RDATA
OUT
GDATA
OUT
LATCH
Radiation color
Red
Yellow-green
Rank
1
240
240
2
300
300
Unit
cd/m
2
t EN
RENABLE
GENABLE
ADDRESS
(A0, A1)
Vn th line's data ON
t d (E-L)
OFF
(n+1) th line's data ON
t d (L-E)
(n+1) th line
t
OFF
s
Terminal Functions
Connector
Power
supply
(CN1)
Symbol
V
LED
V
CC
GND1
GND2
A0 to A3
RDATA
GDATA
Input
signal
(CN2)
LATCH
Function
Supply voltage for LED (+5V)
Supply voltage for IC (+5V)
Ground for IC
Ground for LED
Address specification signal for row driver
Serial data input for red (H=ON, L=OFF)
Shift from right to left(V
D15
隆V
D0
) in the unit
Serial data input for yellow-green (H=ON, L=OFF)
Shift from right to left(V
D15
隆V
D0
) in the unit
Latch signal of display data. L: Contents of shift
register are latched.
V
D
(n)
t d(E-A)
t d(L-A)
t d (A-E)
s
Block Diagram
OUT
A0
A1
A2
A3
RDATA
GDATA
CLOCK
LATCH
ENABLE
IN
A0
A1
A2
A3
RDATA
GDATA
CLOCK
LATCH
ENABLE
3隆8
3隆8
DECODER
ENABLE Controls ON/OFF of LED (L: LED OFF)
CLOCK
GND1
A0 to A3
RDATA
Clock signal for data transmission in the
shift-register. (L隆H: serial data is shifted.)
16 BIT SHIFT-REGISTER
LATCH AND DRIVER
DECODER
PNP
DRIVER
H
D 0
GV
D15
H
D15
RV
D15
Ground for signal. (Connected to ground for IC)
Buffered input signal
Input signal generated through 16-bit shift register
16!16 Dot
Matrix
LED
GDATA Input signal generated through 16-bit shift register
Buffered input signal
LATCH
ENABLE Buffered input signal
Buffered input signal
CLOCK
Ground for signal. (Connected to ground for IC)
GND1
Each signal is used as input signal for next unit.
* As for the terminal number, refer to the outline dimensions.
(Notice)
Output
signal
(CN3)
GV
D 0
VR1
VR2
RV
D 0
MONO-MULTI
Input/output circuit
OSC
HC367
隆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)
隆Data
for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)
16 BIT SHIFT-REGISTER
LATCH AND DRIVER
16