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| Dot Matrix LED Unit for Outdoor Use LT1447M(Lamp Type) s Features No. of dots : 16!16dots Outline dimensions : 144!144mm Dot size : o7.5mm Dot pitch : 9.0mm Radiation color : Yellow-green+Red(High-luminosity)dichromatic type Driving method : 1/8 duty dynamic drive LT1447M 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 VCC VLED VI tON Topr Tstg P Rating -0.3 to +6.0 -0.3 to +5.5 -0.3 to VCC+0.3 1 -10 to +45 -25 to +85 35 (Ta=25C) Unit V V V ms C C W s Electrical Characteristics Parameter Supply voltage for IC Supply voltage for LED IC current dissipation LED current dissipation*1 (VCC=5V,VLED=5V,Ta=25C) s Optical Characteristics Parameter Symbol2 21/2 Viewing angle Red Peak emission wavelength p Yellow-green (VCC=5V,VLED=5V,Ta=25C) TYP 40 660 565 Unit nm Symbol MIN. TYP. MAX. Unit V 5.25 5.0 VCC 4.75 V 5.25 5.0 4.5 VLED mA 350 270 -----ICC A 6.0 5.0 -----ILED V ----------3.5 VIH Input voltage V 1.5 ----------VIL A 0.1 ----------IIH Input current mA 0.12 ----------IIL MHZ 3.0 ----------fCLK Clock frequency -----200 125 fFR HZ Frame frequency *1 Under the condition that dichromatic all dots are lit. s Timing Chart tsu CLOCK R&G DATA R&G DATA out LATCH 1/fOSC Internal ENABLE R&G ENABLE ADDRESS (A0 to A2) ON OFF td(E-L) td(E-L) td(L-E) s Luminance Luminance is classified into 2 ranks shown below. (VCC=5V,VLED=5V,Ta=25C) th tWCLK Radiation color Red Yellow-green Rank 1 600 750 2 800 1 000 VD(n+1) data VD(n+2) data Unit cd/m 2 tWL tdD td(C-L) td(L-C) ON OFF ON s Terminal Functions Symbol VLED Power supply Vcc (CN1) GND1 GND2 A0 to A2 Connector Function 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 red LED RENABLE (H: LED OFF) Serial data input for red(H=ON, L=OFF) RDATA Shift from up to down in the unit HD16/HD31/HD0/HD15 Serial data input for yellow-green(H=ON, L=OFF) Shift from up to down in the unit Input signal GDATA HD16/HD31/HD0/HD15 (CN2) Latch signal of display data H: Serial data is converted LATCH to parallel data. L: Contents are latched. Controls ON/OFF of yellow-green LED GENABLE (H: LED OFF) CLOCK Clock signal for data transmission in the shiftregister.(L/H: serial data is shifted.) VD(n) data ON VD(n) VD(n+1) data ON td(A-E) tWENA VD(n+1) td(L-A) s Block Diagram Luminance adjustment circuit Input/output circuit VR1 VR2 473 OSC MONO-MULTI 331 HC367 HC123 IN A0 A1 A2 RENABLE RDATA GDATA LATCH GENABLE CLOCK OUT A0 A1 A2 RENABLE RDATA GDATA LATCH GENABLE CLOCK 3 TO 8 DECODER PNP DRIVER 16BIT SHIFT-REGISTER LATCH AND DRIVER 16BIT SHIFT-REGISTER LATCH AND DRIVER 16BIT SHIFT-REGISTER LATCH AND DRIVER Ground for signal (Connected to ground for IC) GND1 A0 to A2 Buffered input signal RENABLE Buffered input signal Input signal generated through 32-bit shift RDATA register Output signal Input signal generated through 32-bit shift register (CN3) GDATA LATCH Buffered input signal GENABLE Buffered input signal Buffered input signal CLOCK GND1 Ground for signal (Connected to ground for IC) Each signal is used as input singal for next unit. * As for the terminal number, refer to the outline dimensions. (Notice) VD0 HD16 16!16 DOT LED HD31 HD16 VD15 HD0 HD0 DICHROMATIC MATRIX 16BIT SHIFT-REGISTER LATCH AND DRIVER HD31 HD15 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/) 16 9 144 P9.0!15= 135 256-o7.5L E D H D0 H D16 13.3 18 15 HD15 VD0 HD31 VD15 Hexagonal spacer ASB315 4-M3(Depth 6MIN.) Data shift direction Pin connection CN1(Power supply) 1 2 3 4 5 6 VLED VLED VDD GND1 GND2 GND2 22.5 144 P9.0!15= 135 125.58 15 CN3 10 1 CN1 6 1 CN2 10 1 CN2(Input signal) 1 2 3 4 5 6 7 8 9 10 Ao A1 A2 RENABLE RDATA GDATA LATCH GENABLE CLK GND1 CN3(Output signal) 1 2 3 4 5 6 7 8 9 10 Ao A1 A2 RENABLE RDATA GDATA LATCH GENABLE CLK GND1 19.8 125.58 LT1447M |
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