Dot Matrix LED Unit for Indoor/Outdoor Use LT1455M/LT1456M(Lamp Type) ■ Features ¡No. of dots : 16✕16dots ¡Outline dimensions : 96.0✕96.0mm ¡Dot size : ø5.0mm ¡Dot pitch : 6.0mm ¡Radiation color : Yellow-green+Red(High-luminosity)dichromatic type ¡Driving method : 1/8 duty dynamic drive LT1455M ■ 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 ■ Optical Characteristics (Ta=25˚C) Rating -0.3 to +6.0 -0.3 to +5.5 -0.3 to Vcc+0.3 1 -10 to +65 -20 to +85 22 Unit V V V ms ˚C ˚C W (VCC=5V,VLED=5V,Ta=25˚C) tsu (VCC=5V,VLED=5V,Ta=25˚C) Rank cd/m CLOCK 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 each color of LED (H: LED OFF) Serial data input for red(H=ON, L=OFF) 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 HD16/HD31/HD0/HD15 Latch signal of display data H: Serial data is converted to parallel data.L: Contents are latched. Input signal generated through 32-bit shift 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 signal for next unit. * As for the terminal number, refer to the outline dimensions (Notice) Internal ENABLE ON RENABLE GENABLE ON ON ON ON OFF VD(n) data ON ON ON OFF VD(n+1) data ON td(L-E) td(E-L) ADDRESS (A0~A2) tWENA VD(n+1) VD(n) td(E-A) td(A-E) ■ Block Diagram Luminance adjustment circuit VR1 Input/output circuit VR2 473 331 HC367 OSC MONO-MULTI HC123 OUT A0 A1 A2 RENABLE RDATA GDATA LATCH GENABLE CLOCK A0 A1 A2 RENABLE RDATA GDATA LATCH GENABLE CLOCK 3 TO 8 DECODER Clock signal for data transmission in the shiftregister.(L/H: serial data is shifted.) Ground for signal (Connected to ground for IC) GND1 A0 to A2 Buffered input signal RENABLE Buffered input signal RDATA t=1/f osc PNP DRIVER VD15 VD0 16BIT SHIFT-REGISTER LATCH AND DRIVER LATCH tdD td(L-C) tWL LATCH 16BIT SHIFT-REGISTER LATCH AND DRIVER Input signal (CN2) GDATA VD(n+2) data td(C-L) 2 ■ Terminal Functions RDATA V0(n+1) data RDATAout GDATAout HD16 HD0 16✕16 DOT LED HD31 HD16 HD15 HD0 DICHROMATIC MATRIX HD31 HD15 16BIT SHIFT-REGISTER LATCH AND DRIVER 2 550/1000 450/1000 RDATA GDATA 16BIT SHIFT-REGISTER LATCH AND DRIVER 1 450/700 330/700 Unit Each figure in the table is the one of LT1455M/LT1456M in sequence. Symbol VLED Power supply VCC (CN1) GND1 GND2 A0 to A2 RENABLE GENABLE t WCLK th CLOCK Luminance is classified into 2 ranks shown below. Connector (VCC=5V,VLED=5V,Ta=25˚C) Symbol MIN. TYP. MAX. Unit V 5.0 5.25 VCC 4.75 V 5.0 5.25 4.5 VLED mA 15 40 -----ICC 3.9 -----ILED A 3.5 ----------3.5 VIL V Signal input voltage VIH ----------1.5 V IIL ----------0.1 µA Signal input current IIH ----------0.12 mA MHz Clock frequency fCLK 3.0 ----------Frame frequency fFR 125 200 400 Hz *1 Under the condition that dichromatic all dots are lit. ■ Timing Chart ■ Luminance Red Yellow-green ■ Electrical Characteristics Parameter Supply voltage for IC Supply voltage for LED IC current dissipation LED current dissipation*1 Parameter Symbol TYP. Unit Viewing angle 50/40 ˚ 2θ1/2 660 Red nm Peak emission wavelength λp 565 Yellow-green Each figure in the table is the one of LT1455M/LT1456M in sequence. Radiation color LT1456M ¡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. 166 (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) 512-❏3 chip LED 5 192 +0 -0.5 8.2 6 HD0 27.4 ±0.3 95.7 ±0.3 P6.0✕15=90 3 256-ø5 V D31 3 +0 -0.15 Data shift direction 95.7±0.3 HD15 V D0 P6.0✕15=90 96 +0 -0.5 H D0 Data shift direction H D15 VD0 76 (76) (15) 20 VD15 76 (76) Pin connection CN1(Power supply) 93 CN1(Power supply) Pin No. 1 2 3 4 5 6 7 CN2(Input signal) Pin No. 1 2 3 4 5 6 7 8 9 10 Name VLED VLED VLED VCC GND GND GND CN3(Output signal) Name A0 A1 A2 A3 RDATA GDATA LATCH ENABLE CLOCK GND Pin No. 1 2 3 4 5 6 7 8 9 10 4-M3(Screw depth 6) Name A0 A1 A2 A3 RDATA GDATA LATCH ENABLE CLOCK GND LT1560ED CN2(Input signal) 1 26 1 4 VOL.2 18 24 14 VLED Vcc GND1 GND2 Name Pin No. CN1 8-M3 Insert nut (Effective screw depth 4) Pin connection 1 2 3 4 3.96✕3=11.8 1 CN3 CN2 10 VOL.1 93 40 ±0.1 33 25 1 (10) CN1 CN2 7 10 IN (20) (10) (10) VR1 Name Pin No. 16.5 2.5✕9=22.5 VR2 OUT10 84 43.5 ±0.1 40 1 40 ±0.1 33 25 CN3 43.5 ±0.1 40 9 1 2 3 4 5 6 7 8 9 10 A0 A1 A2 A3 RDATA GDATA LATCH ENABLE CLOCK GND1 CN3(Output signal) Pin No. 1 2 3 4 5 6 7 8 9 10 Name A0 A1 A2 A3 RDATA GDATA LATCH ENABLE CLOCK GND1 LT1451ED 576-❏3 chip LED 7 96+0 -0.5 8 8.2 95.7±3 HD0 (256-ø5.0) (P6.0✕1590.0) HD16 Data shift direction Data shift direction 95.7±0.3 P6.0✕15=90.0) 96+0 -0.5 HD0 HD15 HD23 VD0 VD23 HD31 VD0 VD15 12.3 Data shift direction 13.5 76±0.25 (28) (28) (10) (5) 15.0 Pin connection 1 VR1 1 1 CN2(Input signal) 4-M3 Insert nut (Effective screw depth 4) Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 VLED VCC GND1 GND2 CN2(Input signal) CN3(Output signal) Pin No. Name A0 1 2 A1 3 A2 4 A3 5 A4 6 RDATA 7 GDATA 8 LATCH 9 ENABLE 10 CLOCK 11 GND 12 GND 1 2 3 4 Name A0 A1 A2 A3 A4 RDATA GDATA LATCH ENABLE CLOCK GND GND CN3 10 CN2 10 1 1 4 1 CN1 VR1 VR2 (2.5✕9=22.5) CN1 CN2 IN 12 Name VLED VLED VLED VCC GND GND GND 95.5 78.0 (17.0) 3.96✕3=11.88) Pin No. 1 2 3 4 5 6 7 VR2 7 LT1525ED 4-M3(Depth6MIN) CN1(Power supply) 12 CN3 OUT (10) 84±0.25 (22) (10) (10) Pin connection CN1(Power supply) 95.5 78.0 (5.0) (4.0) 1 2 3 4 5 6 7 8 9 10 A0 A1 A2 RENABLE RDATA GDATA LATCH GENABLE CLOCK GND1 CN3(Output signal) 1 2 3 4 5 6 7 8 9 10 A0 A1 A2 RENABLE RDATA GDATA LATCH GENABLE CLOCK GND1 (26.0) LT1455M/LT1456M ¡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/) (Notice) 177