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 driv ers di - 512br* di - 513br di - 514br (* also directly applicable as gas discharge display digit driver. pin for pin replacement for sprague udn6184a) general description: the dionics di - 512br, di - 513br and di - 514br circuits are designed for interfacing betw een mos or ttl logic circuitry and vacuum fluorescent display panels. each section of these devices consists of a switched constant current level shifter (capable of 50 volt, 80 volt or 110 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, 80v and 110vlevel shift capability mos and ttl compatibility segment and digit drivers low power dissipation reliable silicon dielectrically ic process pin for pin replacement for sprague udn6118a, udn6128a package layout: 0.025 0.900 0.020 0.185 0.250 dionics inc di-514br 0.070 15 gnd 11 1 in in out 18 out 6 7 17 out 8 16 5 2 10 13 in in 4 out v + out in out 12 14 in in out 3 in out di-512br DI-513BR di-514br 9 circuit schematic (each section) input rpd v+ output 03/2002
absolute maximum ratings (t a = 25 0 c) characteristic symbol note limit uni t di - 514br di - 513br di - 512br supply voltage v cc measured with respect to gnd terminal 50 80 110 v input voltage v i measured with respect to gnd terminal 30 30 30 v output voltage v o measured with respect to v+ terminal 50 80 110 v output c urrent i o 30 30 30 ma power dissipation p d derate at 8mw/ 0 c, above 25 0 c ambient 800 800 800 mw storage temperature t s - 55 0 c to +125 0 c 0 c operating temperature t o 0 0 c to +70 0 c 0 c electrical characteristics (t a = 25 0 c) parameter symb ol note condition typ. max. unit output saturation voltage v os (on) measured with respect to v+ terminal i o =20ma; v i =2.4v; v cc = 40v 3 5 v supply leakage i cc (off) derate at 8mw / 0 c; above 25 0 c ambient v di - 514br v i = 0.4v; v cc = 50v 10 15 m a v di - 513br v i = 0.4v; v cc = 80v 10 15 m a v di - 512br v i = 0.4v; v cc = 110v 10 15 m a input current i o (on) v i =2.4v 300 400 m a supply current i cc one input at 2.4v, other at 0.4v i o = 0ma; v i = 0.4v; v cc = 50v 0.5 1.0 ma min. max. unit pull down current i pd i o = 0ma; v i = 0.4v; v o = 40v 200 500 m a pull down resistors r pd 80 200 k w typical application: d b d8 display control logic 4 a +35v 9 7 13 10 c 8 14 b 6 17 a 5 10 +5v 18 8 2 16 dionics inc. di-514br 3 7 1 15 8 6 9 12 7 5 vfil 16 11 d6 5 4 dec 15 13 d5 3 g 14 d2 2 dec f 6 17 d1 12 g e 1 18 d3 11 f d 2 dionics inc. di-514br 3 d4 e c 4 d7 1 simplified test circuit vo v + io vi icc + - - + vcc gnd + -
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