Dot Matrix LED Unit for Outdoor Use LT1442M/LT1445M(Lamp Type) ■ Features ¡No. of dots : 16✕16dots ¡Outline dimensions : 160✕160mm ¡Dot size : ø7.5mm ¡Dot pitch : 10mm ¡Radiation color : Yellow-green+Red(High-luminosity)dichromatic type ¡Driving method : Static drive LT1445M ■ Absolute Maximum Ratings (Ta=25˚C) Parameter Symbol Rating Unit Supply voltage for IC V VCC 5.5 Supply voltage for LED V VLED 3.5 Input voltage*1 V 5.5 VI Operating temperature -10 to +75 Topr ˚C Storage temperature -20 to +100 Tstg ˚C W Power dissipation 35/49 P *1 VI<Vcc at Vcc≤5 Each figure in the table is the one of LT1442M/LT1445M in sequence. ■ Optical Characteristics Parameter Symbol Red Yellow-green Viewing angle Red Peak emission wavelength Yellow-green Luminance LV 2θ1/2 λp (VCC=5V,VLED=3V,Ta=25˚C) TYP MIN. 800/700 MIN. 800/700 36/54 660 565 Unit cd/m 2 ■ Electrical Characteristics ■ Timing Chart ˚ nm Each figure in the table is the one of LT1442M/LT1445M in sequence. (VCC=5V,VLED=3V,Ta=25˚C) MIN. TYP. MAX. Unit Symbol V 5.0 VCC 4.75 5.25 V 3.0 2.75 3.25 VLED ------ 220/280 -----mA ICC ------ 9.3/11.5 -----ILED A ----------3.5 VIH V Input voltage ----------VIL V 1.5 ----------IIH 0.1 Input current µA ----------IIL mA 0.12 Clock frequency ----------MHz 3.0 fCLK *1 Under the condition that dichromatic all dots are lit. Each figure in the table is the one of LT1442M/LT1445M in sequence. Parameter Supply voltage for IC Supply voltage for LED IC current dissipation LED current dissipation*1 tsetup thold td(C-L) tWCLK CLOCK RDATA GDATA LATCH tWL 1/fENA ■ Terminal Functions Symbol VLED Power supply VCC (CN1) GND RDATA Connector Function Supply voltage for LED(+3V) Supply voltage for IC(+5V) Ground Serial data input for red(H=ON, L=OFF) GDATA Serial data input for yellow-green(H=ON, L=OFF) LATCH L: Contents of shift register is transmitted to latch register. H: Contents are latched. Controls ON/OFF of red LED (L: LED ON) Controls ON/OFF of yellow-green LED (L: LED OFF) Clock signal for data transmission in the shiftregister.(L/H: serial data is shifted.) Ground for signal Input signal generated through 256-bit shift register or buffer Input signal generated through 256-bit shift register or buffer Input signal (CN2) RENABLE GENABLE CLOCK GND RDATA GDATA Output signal LATCH Buffered input signal (CN3) RENABLE Buffered input signal GENABLE Buffered input signal Buffered input signal CLOCK Ground for signal GND Each signal is used as input signal for next unit. * As for the terminal number, refer to the outline dimensions. RENABLE GENABLE tWENA 1/fOSC Internal ENABLE OFF Display pattern ON OFF ■ Block Diagram Luminance adjustment circuit VR1 (For red) OSC VR2 (For yellow-green) MONO-MULTI CN3 Output signal portion CN2 Input signal portion GENABLE RENABLE CLOCK LATCH RDATA GDATA B U B U F F E R F F E R Shift register(yellow-green) Shift register(red) LATCH LATCH Constant current driver Constant current driver GENABLE RENABLE CLOCK LATCH RDATA GDATA LED lamp(dichromatic) 16✕16dots Dot matrix (Notice) Yellow-green Red ¡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. 168 (Internet) ¡Data for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/) Dot Matrix LED Unit Outline Dimensions(Unit:mm) 9 10 144 P9.0✕15= 135 256-ø7.5L E D 159 P10✕13=130 9.5 15 9.5 13.3 18 H D16 130 157 159 P10✕13=130 9.5 144 P9.0✕15= 135 Data shift direction H D0 52 38 23 15 9.5 HD15 1.6t 256-ø7.5 2.5 H D31 VD15 VD0 156 1 1 6 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 69.75 1 2 3 4 5 6 7 8 9 10 Pin connection CN3 7 CN1 5 1 1 19.8 125.58 HD0 CN1(Power supply) CN2 7 VR1 VR2 1 VLED GND VCC GND VLED 1 2 3 4 5 6 7 6-M3 Depth7 49 CN3(Output signal) 1 2 3 4 5 6 7 GDATA GENABLE LATCH GND CLOCK RENABLE RDATA GDATA GENABLE LATCH GND CLOCK RENABLE RDATA LT1442M/LT1445M 159 148.5 (P9.9✕15) HD16 HD32 12 22 12 11.6 HD48 239.2 P14.9✕15=223.5 11.0 18.0 16.6 HD16 206.0 Data shift direction 119.6 120.0 P14.9✕15=223.5 159.5 148.5 (P9.9✕15) Data shift direction HD0 HD15 HD15 VD0 1 2 3 4 5 CN2(Input signal) 21 51 LT1447M 11 60 15.84 CN1 CN2(Input signal) 70 125.58 15 1 CN2 10 60 VLED VLED VDD GND1 GND2 GND2 69.75 22.5 1 2 3 4 5 6 CN3 10 154 Pin connection CN1(Power supply) 15 31 Hexagonal spacer ASB315 4-M3(Depth 6MIN.) HD13 HD47 HD63 VD15 HD31 VD0 VD15 256-13.0 ✕ 13.0 11.0 MAX. Height (Except CN1 to 3) Pin connection CN1(Power supply) 206.0 Pin connection CN1:Power supply 47 19.8 LT1448MA (Notice) CN1 6 1 20 A0 A1 GND1 RENABLE RDATA GDATA LATCH GENABLE CLK GND1 CN3 10 GADJ 1 RADJ 6 1 CN1 25.0 50.0 1 2 3 4 5 6 7 8 9 10 A0 A1 GND1 RENABLE RDATA GDATA LATCH GENABLE CLK GND1 CN2 10 1 25.0 50.0 1 2 3 4 5 6 7 8 9 10 VLED 2 VLED 3 Vcc 4 GND1 5 GND2 6 GND2 CN2(Input signal) 10.0 CN3:Output signal 9.0 CN2:Input signal 2-ø3.0(Height3) Positioning pin 80.0 1 1 CN3 CN2 VR2 VR1 Water-proof ring 10 Water-proof rubber Name 1 8-ø7.0 concave ø 7.0 12-Insert nut (M3) Depth6 MIN. Pin No. Name CN3(Output signal) Pin No. Name 1 A0 1 A0 2 A1 2 A1 3 A2 3 A2 4 RENABLE 4 RENABLE 5 RDATA 5 RDATA 6 GDATA 6 GDATA 7 LATCH 7 LATCH 8 GENABLE 8 GENABLE 9 CLOCK 9 CLOCK 10 GND1 10 GND1 P3.96✕5=19.8 45.0 145.0 ø 6.5 4.0 106 61 59.4 159 61 59.4 46.5 22.5 10 ø3 Boss Height 3 Pin No. 119.6 59.4 20 5 VLED VLED Vcc GND1 GND2 GND2 217.0 159.0 P2.5✕9=22.5 59.4 1 2 3 4 5 6 119.6 159 132 5 217.0 190.0 177.0 60.0 6-M3(Depth10) LT1540M ¡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. 178 (Internet) ¡Data for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)