Dot Matrix LED Unit for Indoor Use LT1560ED(Chip Type)
s Features
¡No. of dots : 16!32dots
¡Outline dimensions : 96!192mm
¡Dot size : 3.0!3.0mm
¡Dot pitch : 6.0mm
¡Radiation color : Yellow-green+Red (dichromatic type)
¡Driving method : 1/16 duty dynamic drive
s Absolute Maximum Ratings
Parameter
Supply voltage for IC
Supply voltage for LED
Input voltage*1
Turn-on time
Operating temperature
Storage temperature
Power dissipation
*1 VI<Vcc at Vcc≤5
Symbol
VCC
VLED
VI
tON
Topr
Tstg
P
Rating
-0.3 to +5.5
-0.3 to +4.5
-0.3 to VCC+0.3
1
-10 to +60
-20 to +70
26
(Ta=25˚C)
Unit
V
V
V
ms
˚C
˚C
W
s Optical Characteristics
Parameter
Red
Luminance Yellow-green
Viewing angle
Red
Peak emission wavelength Yellow-green
Symbol
LV
2θ1/2
λp
(VCC=5V,VLED=4V,Ta=25˚C)
TYP Unit
100
100 cd/m2
120 ˚
635
565 nm
s Terminal Functions
Connector Symbol
Power VLED
supply VCC
(CN1) GND
A0 to A3
RDATA
GDATA
LATCH
Input
signal
(CN2) ENABLE
Function
Supply voltage for LED (+5V)
Supply voltage for IC (+4V)
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
CLOCK shift-register. (L¡H: serial data is shifted.)
GND
Ground for signal
A0 to A3 Buffered input signal
Input signal generated through 32-bit shift register
RDATA or buffer
Output
signal
GDATA
(CN3) LATCH
Input signal generated through 32-bit shift register
or buffer
Buffered input signal
ENABLE Buffered input signal
CLOCK Buffered input signal
GND
Ground for signal
Each signal is used as input signal for next unit.
* As for the terminal number, refer to the outline dimensions.
LT1560ED
s Electrical Characteristics
(VCC=5V,VLED=4V,Ta=25˚C)
Parameter
Symbol MIN. TYP. MAX. Unit
Supply voltage for IC
VCC 4.75 5.0 5.25 V
Supply voltage for LED
VLED
3.75 4.0 4.25 V
IC current dissipation*1 ICC ------ 150 200 mA
LED current dissipation*1 ILED ------ 4.5 5.5 A
Input voltage
Input current
VIH 3.5 ------ ------ V
VIL ------ ------ 1.5 V
IIH ------ ------ 0.1 µA
IIL ------ ------ 0.12 mA
Clock frequency
fCLK ------ ------ 10 MHZ
Frame frequency
fFR 70 250 1000 HZ
*1 Under the condition that dichromatic all dots are lit.
s Timing Chart
tsu th
CLOCK
R &G
DATA
R &G
DATA(OUT)
LATCH
VD(n+1)th line's data
td(C-L)
t dD
ENABLE
ADDRESS
(A0 to A3)
VD(n)data ON
VD(n)
td(L-A)
td(E-A)
t WCLK
t WL VD(n+2)th line's data
td(L-C)
t WENA
OFF VD(n+1)data ON
1/f ENA
OFF
VD(n+1)
td(A-E)
s Block Diagram
Input/output circuit
331
HC367
473
OUT
A0
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
IN
A0
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
4 TO 16 DECODER
Pch FET DRIVER
16!16DOT !2
DICHROMATIC
LED MATRIX
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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/)
