dionics, inc. phone: (516) 997 - 7474 65 rushmore street fax: (516) 997 - 7479 westbury, ny 11590 website: www.dionics - usa.com level - shifted vacuum fluorescent display dr ivers di - 503b di - 504b di - 509b di - 508b di - 514b di - 513b general description: the dionics di - 513b and di - 514b series circuits are designed for interfacing between mos or ttl circuitry and vacuum fluorescent display panels. each section of these devices consists of a switched constant current level shifter - capable of 50 volt or 80 volt - operation and a pnp - npn driver transistor pair. the constant current operation of the level shifter stage results in low power dissipation. input circuitry is suitable for open drain pmos, cmos, open - collector or standard ttl. features: 50v and 80v level shift capability. mos and ttl compatibility 4 - , 6 - and 8 - line versions segment and digit drivers low power dissipation reliable dielectric isolation proc ess package layout: 0.760 max. 0.185 0.250 0.070 dionics inc DI-503B 0.020 0.025 in3 in1 out4 gnd 7 5 13 nc 9 4 out3 3 v + nc nc 6 12 out2 14 DI-503B and di-504b nc in2 10 8 11 in4 2 1 out1 0.250 0.185 0.070 0.020 0.800 0.025 dionics inc di-509b gnd v + 11 7 9 out 16 15 in in in 14 4 di-508b and di-509b nc out out in 3 8 10 13 out in in 12 out 5 out 2 6 nc 1 0.025 0.250 0.070 dionics inc di-514b 0.900 0.020 0.185 12 5 out in 7 out 17 1 out 11 di-513b and di-514b 2 9 out gnd 6 in in out 10 16 in in in out in out v + 13 3 14 8 in 4 18 out 15 01/2002 v+ circuit schematic (each section) output input
absolute maximum rating (ta = 25 0 c) characteristic symbol notes limits units di - 509b di - 508b di - 514b di - 513b di - 504b di - 503b supply voltage v + measured with respect t o gnd 50 80 v input voltage v in measured with respect to gnd 35 35 v output voltage v out measured with respect to v + terminal 50 80 v output current i out 30 30 ma power dissipation: p d derate at di - 514b; di - 513b: 8 mw/ 0 c derate at di - 50 9b; di - 508b: 6 mw/ 0 c above 25 0 c ambient 600 600 mw storage temperature t s - 55 to 125 0 c operating temperature t o 0 to 70 0 c electrical characteristics (ta = 25 0 c) parameter symbol notes conditions typ. max. units output saturation voltage di - 504b v out (sat) v + = 180v (di - 500b); v+ = 100v (di - 502b); measured with respect to v+ terminal. i o = 10ma; v i = 2.4v 1.5 3 v output leakage current * di - 509b; di - 514b. * di - 508b; di - 513b; di - 503b. i out (o ff) v+ = 50v v+ = 80v v o = 50v; v i = 0.4v v o = 80v; v i = 0.4v 0.1 10 a input current i in (on) v i = 2.4v 250 400 a supply current i+ one input at 2.4v; others at 0.4v. v i = 2.4 v; i o = 0 v+ = 50v 0.8 1.2 ma typical application: f d d5 8 18 e d8 1 11 d 8 4 6 10 15 d4 12 c 9 14 9 dionics inc. di-514 +35v d2 13 b b d7 13 4 16 14 a 1 7 d6 (8) 47k a 16 8 6 3 15 7 f 11 18 6 dionics inc. di-514 e 1 12 +5v g 5 5 dec 4 7 3 10 d1 2 2 dec display control logic 3 2 c 17 d3 g 5 17 (8) 47k vi vo v + simplified test circuit vs - - + + + - gnd io
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