LT1461ED Datasheet | Sharp Corporation

Features ¡No. of dots : 16!16dots ¡Outline dimensions : 64!64mm ¡Dot size : ø2.8mm ¡Dot pitch : 4.0mm ¡Radiation color : Yellow-green+Red(dichromatic type) ¡Driving method : 1/16 duty dynamic drive LT1461ED s 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 t ON Topr Tstg P Rating 6.0 6.0 -0.3 to +5.5 1 -10 to +45 -20 to +70 13 (Ta=25˚C) s Electrical Characteristics Parameter Supply voltage for IC Supply voltage for LED IC current dissipation- 1 LED current dissipation- 1 (VCC=5V,VLED=5V,Ta=25˚C) Unit V V V ms ˚C ˚C W Symbol MIN. TYP. MAX. Unit V 5.25 5.0 VCC 4.75 -----V 5.25 5.0 VLED ----------m A 50 ICC ----------A 1.8 ILED ----------V 3.5 VIH Input voltage ----------V 1.5 VIL ----------µA 0.1 IIH Input current ----------0.12 IIL m A ----------Clock frequency 4 f CLK MHZ Frame frequency -----625 80 f FR HZ - 1 Under the condition that dichromatic all dots are lit. s Optical Characteristics Parameter Red Yellow-green Viewing angle Red Peak emission wavelength Yellow-green Luminance Symbol LV 2θ1/2 λp (VCC=5V,VLED=5V,Ta=25˚C) TYP 90 90 80 635 565 Unit cd/m ˚ nm 2 s Timing Chart tsu CLOCK RDATA GDATA RDATAout GDATAout LATCH th t WCLK HD(n+1)DATA td D td(C-L) t WL HD(n+2)DATA td(L-C) s Terminal Functions Function Connector Symbol Supply voltage for LED (+5V) VLED Power VCC Supply voltage for IC (+5V) supply Ground for IC (CN1) GND1 Ground for LED GND2 A0 to A3 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) Input signal (CN2) LATCH Latch signal of display data. L: Contents are latched. ENABLE ADDRESS (A0~A3) HD(n)DATA ON td(E-L) HD(n) td(E-A) td(L-A) OFF t EN HD(n+1)DATA ON td(L-E) HD(n+1) td(A-E) t OFF s Block Diagram Vcc 47K ENABLE Controls ON/OFF of LED (H: LED OFF) CLOCK CN2 A0 A1 A2 A3 RDATA GDATA CLK LATCH ENABLE HC367...