196 notice in the absence of confirmation by device specification sheets,sharp takes no responsibility for any defects that may occur in equi pment 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 internet address for electronic components group http://www.sharp.co.jp/ecg/ t wclk td(c-l) t dd twl td(e-l) th tsu td(l-c) td(e-a) td(l-a) td(a-e) td(l-e) (a0 to a3) address gdata rdata, clock off rdataout gdataout latch enable off (n+1)th line's data on n th line's data (n+1)th line's data (n+2)th line's data (n+1)th line n th line t wena (v cc =5v,v led =5v,ta=25?c) luminance peak emission wavelength parameter viewing angle red yellow-green red yellow-green symbol l v 2 q 1 / 2 l p typ. 100 100 70 635 565 unit cd/ g ? nm parameter supply voltage for ic supply voltage for led input voltage turn-on time operating temperature storage temperature power dissipation symbol v cc v led v i t on t opr t stg p 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 ms ?c ?c w (ta=25?c) parameter supply voltage for ic supply voltage for led ic current dissipation *1 led current dissipation *1 input voltage input current clock frequency frame frequency symbol v cc v led i cc i led v ih v il i ih i il f clk f fr min. 4.75 4.5 ------ ------ 3.5 ------ ------ ------ ------ 80 typ. 5.0 5.0 25 2.0 ------ ------ ------ ------ ------ ------ max. 5.25 5.25 50 2.3 ------ 1.5 0.1 0.12 4 625 unit v v ma a v v a ma mh z h z (v cc =5v,v led =5v,ta=25?c) *1 under the condition that dichromatic all dots are lit. n absolute maximum ratings n electrical characteristics n timing chart n block diagram LT1451ED dot matrix led unit for indoor use LT1451ED s (chip on board type) n features no. of dots : 16 5 16dots outline dimensions : 96 5 96mm dot size : ?.0mm dot pitch : 6.0mm radiation color : yellow-green+red(dichromatic type) driving method : 1/16 duty dynamic drive outline dimensions are shown on page 206, fig.7. n optical characteristics decoder mono-multi & shift register matrix driver driver driver cn3 a0 a1 a2 a3 enable rdata gdata latch clk cn2 led latch(g) & shift register latch(r) vol.1 g.adj vol.2 r.adj osc vcc 1k 47k hc367 input circuit buffer buffer a0 a1 a2 a3 enable rdata gdata latch clk n recommended timing conditions (vcc=5.0v,ta=25?c) parameter symbol rating unit remarks min. typ. max. clock pulse width t wclk 100 ns latch pulse width t wl 80 ns enable pulse width t wena 2 ? data setup time t su 80 ns data hold time th 40 ns clock-latch time td (c-l) 80 ns latch-clock time td (l-c) 150 ns data output delay time tdd 85 150 ns enable-latch time td (e-l) 0 ? latch-enable time td (l-e) 2 ? enable-address time td (e-a) 2 ? oscillation frequency f osc 1 mhz address-enable time td (a-e) 20 ? frame frequency f fr 80 625 hz latch-address time td (l-a) 0 ? propagation delay time tp lh ,tp hl 15 40 ns except data terminal enable frequency f ena 10 khz *the model marked with s may not be available in the near future. contact sharp sales personnel for details before use.
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