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| Dot Matrix LED Unit for Outdoor Use LT1474M(Lamp Type,Water-proof Type) s Features No. of dots : 16!16dots Outline dimensions : 320!320mm Dot size : 18!18mm(Using oval lamp) Dot pitch : 20.0mm Radiation color : Yellow-green+Red(High-luminosity)dichromatic type Driving method : 1/16 duty dynamic drive LT1474M 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 s Electrical Characteristics Parameter Supply voltage for IC Supply voltage for LED IC current dissipation*1 LED current dissipation*1 (VCC=5V,VLED=9V,Ta=25C) Unit V V V ms C C W Symbol MIN. TYP. MAX. Unit 4.75 LCC 5.0 5.25 V 8.75 9.0 VLED 9.25 V -----500 750 ICC mA -----12 18 ILED A 3.5 ----------VIH V Input voltage ----------1.5 VIL V ----------0.1 IIH A Input current ----------0.12 IIL mA Clock frequency ----------10 fCLK MHZ *1 Under the condition that dichromatic all dots are lit. s Optical Characteristics Parameter Red Luminance Yellow-green Viewing angle[Horizontal(Red/Yellow-green)] Red Peak emission wavelength Yellow-green Symbol Lv 21/2 p s Timing Chart (VCC=5V,VLED=9V,Ta=25C) TYP. 1 900 1 500 60/70 660 565 Unit cd/m nm 2 tsu CLOCK RDATA GDATA th t WCLK VD(n+1) data RDATA out GDATA out LATCH tdD td(C-L) td(L-C) t WL VD(n+2) data s Terminal Functions Connector Power supply (CN1) Function Supply voltage for LED(+9V) Supply voltage for IC(+5V) Ground for IC Ground for LED Address specification signal for row driver Serial data input for red RDATA (H=ON, L=OFF) Serial data input for yellow-green GDATA (H=ON, L=OFF) LATCH Latch signal of display data RENABLE Controls ON/OFF of LED GENABLE (H: LED OFF) Clock signal for data transmission in the shiftCLOCK register.(L/H: serial data is shifted.) Symbol VLED VCC GND1 GND2 A0 to A3 RENABLE GENABLE ADDRESS (A0 to A3) VD(n) data ON td(E-A) VD(n) VD(n+1) data ON td(A-E) t WENA VD(n+1) td(A-L) s Block Diagram OUT A0 A1 A2 A3 RDATA GDATA LATCH GENABLE CLOCK GND1 RENABLE NC IN A0 A1 A2 A3 RDATA GDATA LATCH GENABLE CLOCK GND1 RENABLE NC GATE 2TO 4DECODER PNP DRIVER Input signal (CN2) Luminance adjustment circuit RADJ Luminance adjustment circuit RADJ 8BIT SHIFT-REGISTER LATCH AND DRIVER VD0 VD7 VD8 8BIT SHIFT-REGISTER LATCH AND DRIVER VD15 8BIT SHIFT-REGISTER LATCH AND DRIVER VD15 8BIT SHIFT-REGISTER LATCH AND DRIVER VD15 8BIT SHIFT-REGISTER LATCH AND DRIVER VD15 !2 VD15 !2 VD15 !2 VD15 !2 VD7 VD8 VD7 VD8 VD7 VD8 8BIT SHIFT-REGISTER LATCH AND DRIVER VD0 8BIT SHIFT-REGISTER LATCH AND DRIVER VD0 8BIT SHIFT-REGISTER LATCH AND DRIVER VD0 DATASELECTOR Ground for signal GND1 A0 to A3 Buffered input signal Input signal generated through 16-bit shift RDATA register or buffer Input signal generated through 16-bit shift Output GDATA register or buffer signal LATCH Buffered input signal (CN3) RENABLE Buffered input signal GENABLE CLOCK Buffered input signal 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) 16!16 DOT DICHROMATIC LEDMATRIX VD15 VD0 VD7 8BIT SHIFT-REGISTER LATCH AND DRIVER VD0 !2 VD7 8BIT SHIFT-REGISTER LATCH AND DRIVER VD0 !2 VD7 8BIT SHIFT-REGISTER LATCH AND DRIVER VD0 !2 VD7 8BIT SHIFT-REGISTER LATCH AND DRIVER !2 VD8 8BIT SHIFT-REGISTER LATCH AND DRIVER VD8 8BIT SHIFT-REGISTER LATCH AND DRIVER VD8 8BIT SHIFT-REGISTER LATCH AND DRIVER VD8 8BIT SHIFT-REGISTER LATCH AND DRIVER GADJ Luminance adjustment circuit GADJ Luminance adjustment circuit 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/) 17 14 HD0 320 (P19.95!15=299.25) 12 (60.75) 18 (P19.95!15=299.25) 320 Height Max. 20 HD15 VD0 Data shift direction Red LED!3 Yellow-green LED!6 Lamp position in a dot(For all 256 pcs.) 139.65 119.7 39.9 39.9 139.65 119.7 VD15 14-o4.2hole (10) 140.75 Pin connection 100.85 (57.4) 1.1 (27.5) (12.5) (12.5) (27.5) CN1:(Power supply) 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 11 12 VLED VLED VLED VLED VLED VCC A0 A1 A2 A3 RDATA GDATA LATCH GENABLE CLOCK GND1 RENABLE NC 7 8 9 10 11 12 GND1 GND2 GND2 GND2 GND2 GND2 12 GADJ RADJ (25) GADJ CN12 RADJ 12 98.65 (57.4) 1 CN3 CN1 1 CN2 CN2:(Input signal) CN3:Output signal) 1 2 3 4 5 6 7 8 9 10 11 12 A0 A1 A2 A3 RDATA GDATA LATCH GENABLE CLOCK GND1 RENABLE NC 138.55 50 4-concave(Depth7) (5.8) (1.2) Water-proof ring(3!3mm) (230) LT1474M |
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