r04ds0007ej0400 rev.4.00 page 1 of 6 dec 24, 2010 preliminary datasheet hd74ls145 bcd-to-decimal decoder / driver (with 15 v outputs) this bcd-to-decimal decoder / driver consists of eight inverters and ten four-input nand gates. the inverters are connected in pairs to make bcd input data available for decoding by the nand gates. full decoding of valid bcd input logic ensures that all outputs remain off for all invalid binary input conditions. this decoder features high- performance, n-p-n output transistors designed for use as indicator / relay drivers or as open-collector logic-circuit drivers. features ? ordering information part name package type package code (previous code) package abbreviation taping abbreviation (quantity) hd74ls145p dilp-16 pin prdp0016ae-b (dp-16fv) p ? hd74ls145fpel sop-16 pin (jeita) prsp0016dh-b (fp-16dav) fp el (2,000 pcs/reel) HD74LS145RPEL sop-16 pin (jedec) prsp0016dg-a (fp-16dnv) rp el (2,500 pcs/reel) note: please consult the sales office for the above package availability. pin arrangement (top view) v cc gnd y 0 y 1 y 2 y 3 y 4 y 5 y 6 a b d c y 9 y 8 y 7 15 16 1 2 3 4 5 6 7 14 8 9 10 11 12 13 1 2 6 5 4 3 9 0 8 7 a b c d outputs outputs inputs r04ds0007ej0400 (previous: rej03d0436-0300) rev.4.00 dec 24 , 2010
hd74ls145 preliminary r04ds0007ej0400 rev.4.00 page 2 of 6 dec 24, 2010 function table inputs outputs no. d c b a 0 1 2 3 4 5 6 7 8 9 l l l l l h h h h h h h h h l l l h h l h h h h h h h h l l h l h h l h h h h h h h l l h h h h h l h h h h h h 0 1 2 3 4 l h l l h h h h l h h h h h l h l h h h h h h l h h h h l h h l h h h h h h l h h h l h h h h h h h h h h l h h h l l l h h h h h h h h l h 5 6 7 8 9 h l l h h h h h h h h h h l h l h l h h h h h h h h h h h l h h h h h h h h h h h h h h l l h h h h h h h h h h h h l h h h h h h h h h h h h h h l h h h h h h h h h h invalid h h h h h h h h h h h h h h block diagram inputs a b c d outputs y 0 y 1 y 2 y 3 y 4 y 5 y 6 y 7 y 8 y 9 absolute maximum ratings item symbol ratings unit supply voltage v cc 7 v input voltage v in 7 v power dissipation p t 400 mw storage temperature tstg ?65 to +150 ?c note: voltage value, unless otherwise noted, are with respect to network ground terminal.
hd74ls145 preliminary r04ds0007ej0400 rev.4.00 page 3 of 6 dec 24, 2010 recommended operating conditions item symbol min typ max unit supply voltage v cc 4.75 5.00 5.25 v off-state output voltage v o(off) ? ? 15 v low level output current i ol ? ? 80 ma operating temperat ure topr ?20 25 75 ?c electrical characteristics (ta = ?20 to +75 c) item symbol min. typ.* max. unit condition v ih 2.0 ? ? v input voltage v il ? ? 0.8 v off-state output current i o(off) ? ? 250 ? a v cc = 4.75 v, v ih = 2 v, v il = 0.8 v, v o(off) = 15 v ? ? 0.4 i ol = 12 ma ? ? 0.5 i ol = 24 ma on-state output voltage v o(on) ? ? 3.0 v i ol = 80 ma v cc = 4.75 v, v ih = 2 v, v il = 0.8 v i ih ? ? 20 ? a v cc = 5.25 v, v i = 2.7 v i il ? ? ?0.4 ma v cc = 5.25 v, v i = 0.4 v input current i i ? ? 0.1 ma v cc = 5.25 v, v i = 7 v supply current** i cc ? 7 13 ma v cc = 5.25 v input clamp voltage v ik ? ? ?1.5 v v cc = 4.75 v, i in = ?18 ma notes: * v cc = 5 v, ta = 25c ** i cc is measured with all outputs open and all inputs grounded. switching characteristics (v cc = 5 v, ta = 25c) item symbol min. typ. max. unit condition t plh ? ? 50 propagation delay time t phl ? ? 50 ns c l = 45 pf, r l = 665 ?
hd74ls145 preliminary r04ds0007ej0400 rev.4.00 page 4 of 6 dec 24, 2010 testing method test circuit 4.5v 0 1 2 3 4 5 6 7 8 9 a b c d input p.g. z out = 50 see testing table output v cc r l c l waveform t plh t phl v oh v ol 0 v 3 v v oh v ol t phl t plh 10% 90% 1.3 v 1.3 v 1.3 v 1.3 v 1.3 v 1.3 v 10% 90% input in phase output out of phase output t tlh t thl note: input pulse; t tlh ? 15 ns, t thl ? 6 ns, prr = 1 mhz, duty cycle 50%
hd74ls145 preliminary r04ds0007ej0400 rev.4.00 page 5 of 6 dec 24, 2010 package dimensions 7.62 ma xnommin dimension in millimeters symbol reference 19.2 6.3 5.06 a 1 z b 3 d e a b p c e l e 1 0.51 0.56 1.30 0.19 0.25 0.31 2.29 2.54 2.79 0 15 20.32 7.4 0.40 0.48 1.12 2.54 1 p 1 3 1 8 16 9 e b a l a z e c e d b 0.89 ( ni/pd/au plating ) p-dip16-6.3x19.2-2.54 1.05 g mass[typ.] dp-16fv prdp0016ae-b renesas code jeita package code previous code note) 1. dimensions"*1 (nom)"and" *2" do not include mold flash. 2. dimension"*3"does not include trim off set. 10.06 1.15 0.12 0 8 7.80 0.15 0.20 0.25 0.46 0.00 0.10 0.20 5.50 0.50 0.70 0.90 2.20 reference symbol dimension in millimeters min nom m ax 10.5 e h e l a d e a 2 a 1 b p b 1 c x y z l 1 c 1 0.34 0.40 8.00 7.50 1.27 0.15 0.80 previous code jeita package code renesas code prsp0016dh-b fp-16dav mass[typ.] 0.24g p-sop16-5.5x10.06-1.27 terminal cross section ( ni/pd/au plating ) c detail f l y s s index mark f *3 mx 9 16 18 *2 *1 a e z e d l 1 a 1 b p b p h e
hd74ls145 preliminary r04ds0007ej0400 rev.4.00 page 6 of 6 dec 24, 2010 note) 1. dimensions"*1 (nom)"and"*2" do not include mold flash. 2. dimension"*3"does not include trim off set. terminal cross section (ni/pd/au plating) c detail f l index mark 1 xm *3 *2 *1 f 8 9 16 s s y e d a z e p-sop16-3.95x9.9-1.27 0.15 g mass[typ.] fp-16dnv prsp0016dg-a renesas code jeita package code previous code 0.635 0.15 1.27 5.80 6.20 0.40 0.34 10.30 max nom min dimension in millimeters symbol reference 1.75 1.27 0.600.40 3.95 0.25 0.140.10 0.46 0.250.20 0.15 6.10 8 0 0.25 1.08 9.90 e h e l a d e a 2 a 1 b p b 1 c x y z l 1 c 1 l 1 a 1 b p b p h e
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