Dot Matrix LED Unit for Indoor Use LT1451ED(Chip On Board Type) ■ Features ¡No. of dots : 16✕16dots ¡Outline dimensions : 96✕96mm ¡Dot size : ø5.0mm ¡Dot pitch : 6.0mm ¡Radiation color : Yellow-green+Red(dichromatic type) LT1451ED ¡Driving method : 1/16 duty dynamic drive ■ Electrical Characteristics ■ Absolute Maximum Ratings Symbol VCC VLED VI ILED tON Topr Tstg P Parameter Supply voltage for IC Supply voltage for LED Input voltage LED current dissipation Turn-on time Operating temperature Storage temperature Power dissipation ■ Optical Characteristics Symbol Parameter Red Luminance Yellow-green Viewing angle Red Peak emission wavelength Yellow-green LV 2θ1/2 λp (Ta=25˚C) Rating -0.3 to +6.0 -0.3 to +6.0 -0.3 to Vcc+0.3 1 -10 to +45 -20 to +70 13 Unit V V V A ms ˚C ˚C W (VCC=5V,VLED=5V,Ta=25˚C) TYP. 100 100 70 635 565 Unit ■ Timing Chart cd/m 2 ˚ nm tsu th Connector Power supply (CN1) Symbol VLED VCC GND1 GND2 A0 to A3 Function Supply voltage for LED (+5V) Supply voltage for IC (+5V) Ground for IC Ground for LED Address specification signal for row driver RDATA Serial data input for red (H=ON, L=OFF) GDATA Serial data input for yellow-green (H=ON, L=OFF) LATCH Latch signal of display data. H: Serial data is converted to parallel data. L: Contents are latched. ENABLE Controls ON/OFF of LED (H: LED OFF) tWCLK CLOCK RDATA, GDATA (n+1)th line's data (n+2)th line's data tWL t dD td(L-C) RDATAout GDATAout ■ Terminal Functions (VCC=5V,VLED=5V,Ta=25˚C) Symbol MIN. TYP. MAX. Unit V 5.25 5.0 VCC 4.75 V 5.25 5.0 4.5 VLED -----mA 50 25 ICC -----A 2.3 2.0 ILED ----------V 3.5 VIH Input voltage ----------V 1.5 VIL ----------µA 0.1 IIH Input current ----------0.12 IIL mA ----------4 fCLK MHZ Clock frequency -----625 80 Frame frequency fFR HZ *1 Under the condition that dichromatic all dots are lit. Parameter Supply voltage for IC Supply voltage for LED IC current dissipation*1 LED current dissipation*1 td(C-L) LATCH n th line's data ON OFF (n+1)th line's data ON ENABLE ADDRESS (A0 to A3) OFF t WENA td(L-E) td(E-L) n th line (n+1)th line td(E-A) td(L-A) td(A-E) ■ Block Diagram CN2 BUFFER BUFFER A0 A1 A2 A3 RDATA GDATA LATCH ENABLE CLK DECODER LED MATRIX VOL.1 G.ADJ SHIFT REGISTER & LATCH(R) DRIVER DRIVER DRIVER Clock signal for data transmission in the CLOCK shift-register. (L→H: serial data is shifted.) Ground for signal GND1 A0 to A3 Buffered input signal Input signal generated through 16-bit shift register RDATA or buffer Input signal generated through 16-bit shift register Output GDATA signal or buffer (CN3) Buffered input signal LATCH ENABLE Buffered input signal CLOCK Buffered input signal Ground for signal GND1 Each signal is used as input signal for next unit. * As for the terminal number, refer to the outline dimensions. CN3 SHIFT REGISTER & LATCH(G) Input signal (CN2) A0 A1 A2 A3 RDATA GDATA LATCH ENABLE CLK VOL.2 R.ADJ Mono-Multi OSC Vcc 1K 47K HC367 Input 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/) (Notice) 163 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