Dot Matrix LED Unit for Indoor Use LT1580 Series(Chip LED Type) Features No. of dots : 1632dots Outline dimensions : 4080mm Dot size : 1.60.8mm Dot pitch : 2.5mm Radiation color : Yellow-green/LT1580E, Amber (Highluminosity) /LT1580V, Red/LT1580D, Red (High-luminosity) /LT1580U LT1580E Driving method : 1/16 duty dynamic drive Outline dimensions are shown on page 205, Fig.1. 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 (Ta=25C) Rating -0.3 to +5.5 -0.3 to +4.5 -0.3 to VCC+0.3 1 -10 to +60 -20 to +70 8 Unit V V V ms C C W Optical Characteristics Parameter LT1580E LT1580V Luminance LT1580D LT1580U LT1580E Viewing LT1580V LT1580D angle LT1580U LT1580E Peak emission LT1580V LT1580D wavelength LT1580U (Ta=25C) Symbol TYP 130 400 80 400 150 150 150 150 565 591 635 660 Lv 21/2 p Unit Electrical Characteristics Parameter Supply voltage for IC Supply voltage for LED LT1580E IC current LT1580V LT1580D dissipation LT1580U LT1580E LED current LT1580V LT1580D dissipation LT1580U MIN. 4.75 3.75 --- --- --- --- --- --- --- --- 3.5 --- --- --- --- 70 ICC ILED VIH VIL IIH IIL fCLK fPR Input voltage cd/g (Vcc=5V,VLED=4V,Ta=25C) Symbol VCC VLED Input current Clock frequency Frame frequency TYP. MAX. Unit 5.0 5.25 V 4 4.25 V 30 50 30 60 mA 30 50 30 50 1.0 1.7 0.8 1.3 A 1.0 1.7 1.0 1.7 --- --- V --- 1.5 V --- 1 A --- 0.12 mA --- 10 MHZ 250 1000 HZ Timing Chart tsu nm tWCLK th CLOCK DATA HD (n+1) data HD (n +1) data tWL td (C-L) Block Diagram td (L-C) LATCH tWENA ENABLE HD (n) data ON OFF HD (n+1) data ON OFF 1 / f ENA OUT IN A0 A1 A2 A3 DATA NC LATCH ENABLE CLOCK ADDRESS (A0 to A3) A0 A1 A2 A3 DATA NC LATCH ENABLE CLOCK Parameter 32BIT SHIFT-REGISTER. LATCH. DRIVER AND LUMINANCE ADJUSTMENT CIRCUIT LED MATRIX Detailed I/O circuit 331 HC541 190 Notice Internet td (A-E) Recommended Timing Conditions PNP DRIVER DICHROMATIC HD (n+1) td (L-A) td (E-A) 4 TO 16 DECODER 1616DOT 2 HD (n) 473 Clock pulse width Latch pulse width Enable pulse width Data setup time Data hold time Clock-latch time Latch-clock time Enable-address time Address-enable time Latch-address time Frame frequency Enable frequency Symbol tWCLK tWL tWENA tSU th td (C-L) td (L-C) td (E-A) td (A-E) td (L-A) fFR fENA Rating MIN. TYP. MAX. 50 --- --- 50 --- --- 4 --- --- 50 --- --- 30 --- --- 50 --- --- 30 --- --- 2 --- --- 6 --- --- 0 --- --- 70 250 1 000 --- --- 16 (Vcc=5.0V,Ta=25C) Unit Remarks ns ns s ns ns ns ns s s s HZ kHZ 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 address for Electronic Components Group http://www.sharp.co.jp/ecg/