technical data KK74ACT192 presettable bcd/decade up/down counter high-speed silicon-gate cmos ordering information kk 74act192n plastic kk 74act192d soic t a = -40 to 8 5 c for all packages the kk 74act192 is identical in pinout to the ls/als192, hc / h c t 192. the kk 74act192 may be used as a level converter for interfacing ttl or nmos outputs to high speed cmos inputs. the count er has t w o separat e cl ock i nput s, a c ount up c l ock and c ount down c l ock i nput s. the di rect i on of count i ng i s det e rm i n ed by whi c h i nput i s cl ocked. the out put s change st at e sy nchronous wi t h t h e low - t o -high t r ansi t i ons on t h e cl ock i nput s. thi s count er m a y be preset by ent e ri ng t h e desi red dat a on t h e p0, p1, p2, p3 i nput . w h en t h e paral l e l load i nput i s t a ken l o w t h e dat a i s l o aded i ndependent l y of ei t h er cl ock i nput . thi s feat ure al l o ws t h e count ers t o be used as devi de-by - n by m odi fy i ng t h e count l e nght wi t h t h e preset i nput s. in addition the counter can also be cleared. this is accom p lished by i nput t i ng a hi gh on t h e m a st er r e set i nput . al l 4 i n t e rnal st ages are set t o l o w i ndependent l y of ei t h er cl ock i nput .b ot h a term i n al c ount down (tc d ) and term i n al c ount up (tc u ) out put s are provi ded t o enabl e cascadi ng of bot h up and down count i ng funct i ons. the tc d out put produces a negat i v e goi ng pul se when t h e count er underfl ows and tc u out put s a pul se when t h e count er overfl ows. the count er can be cascaded by connecting the tc u and tc d out put s of one devi ce t o t h e c ount up c l ock and c ount down c l ock i nput s, respect i v el y , of t h e next devi ce. pin assignment ? ttl/nmos com p atible input levels ? outputs directly interf ace to cmos, nmos, and ttl ? operat i ng vol t a ge r a nge: 4.5 t o 5.5 v ? low input c u rrent : 1.0 a; 0.1 a @ 25 c ? out put s source/ si nk 24 m a logic diagram pin 16 =v cc pin 8 = gnd 1
KK74ACT192 maximum ratings * sym b o l p a r a m e t e r valu e un i t v cc dc suppl y vol t a ge (referenced t o gnd) -0.5 t o +7.0 v v in dc input vol t a ge (referenced t o gnd) -0.5 t o v cc +0.5 v v out dc output voltage (referenced to gnd) -0.5 to v cc +0.5 v i in dc input c u rrent , per pi n 20 ma i out dc out put si nk/ source c u rrent , per pi n 50 ma i cc dc suppl y c u rrent , v cc and gnd pins 50 ma p d po wer dissip a tio n in still air, plastic dip+ soic package+ 750 500 mw tst g st orage tem p erat ure -65 t o +150 c t l lead tem p erat ure, 1 m m from c a se for 10 seconds (plastic dip or soic package) 260 c * m a xi m u m r a t i ngs are t hose val u es bey ond whi c h dam a ge t o t h e devi ce m a y occur. functional operation should be restricted to the reco m m e nded operating conditions. +derat i ng - pl ast i c dip: - 10 m w / c from 65 t o 125 c soic package: : - 7 m w / c from 65 t o 125 c recommended operating conditions sy m bol p a r a m e t e r m i n m a x uni t v cc dc suppl y vol t a ge (referenced t o gnd) 4.5 5.5 v v in , v out dc input vol t a ge, out put vol t a ge (referenced t o gnd) 0 v cc v t j junct i on tem p erat ure (pdip) 140 c t a operating tem p erature, all package types -40 +85 c i oh out put c u rrent - hi gh -24 m a i ol out put c u rrent - low 24 m a t r , t f input r i se and fal l ti m e * (except schm itt inputs) v cc =4.5 v v cc =5.5 v 0 0 10 8.0 ns/ v * v in from 0.8 v t o 2.0 v thi s devi ce cont ai ns prot ect i on ci rcui t r y t o guard ag ai nst dam a ge due t o hi gh st at i c vol t a ges or el ect ri c fields. however, precautions m u st be taken to avoid applications of an y voltage higher than m a xim u m rated vol t a ges t o t h i s hi gh-i m pedance ci rcui t . for proper operat i on, v in and v out shoul d be const r ai ned t o t h e range gnd (v in or v out ) v cc . unused i nput s m u st al way s be t i e d t o an appropri a t e l ogi c vol t a ge l e vel (e.g., ei t h er gnd or v cc ). unused out put s m u st be l e ft open. 2
KK74ACT192 dc electrical characteristics (voltages referenced to gnd) v cc guaranteed lim its sy m bol p a r a m e t e r test c ondi t i o n s v 25 c - 4 0 c to 85 c un it v ih m i ni m u m hi gh- level input vol t a ge v out =0.1 v or v cc -0.1 v 4.5 5.5 2.0 2.0 2.0 2.0 v v il m a x i mu m l o w - level input vol t a ge v out =0.1 v or v cc -0.1 v 4.5 5.5 0.8 0.8 0.8 0.8 v v oh m i ni m u m hi gh- level out put vol t a ge i out -50 a 4.5 5.5 4.4 5.4 4.4 5.4 v * v in =v ih or v il i oh =-24 m a i oh =-24 m a 4.5 5.5 3.86 4.86 3.76 4.76 v ol m a x i mu m l o w - level out put vol t a ge i out 50 a 4.5 5.5 0.1 0.1 0.1 0.1 v * v in =v ih i ol =24 m a i ol =24 m a 4.5 5.5 0.36 0.36 0.44 0.44 i in m a xi m u m input leakage current v in =v cc or gnd 5.5 0.1 1.0 a i old +min im u m dyn a m i c out put c u rrent v old =1.65 v m a x 5.5 75 m a i ohd +min im u m dyn a m i c out put c u rrent v ohd =3.85 v m i n 5.5 -75 m a i cc m a x i mu m q u i e s c e n t suppl y c u rrent (per package) v in =v cc or gnd 5.5 8 .0 80 a * al l out put s l o aded; t h reshol ds on i nput associ at ed wi t h out put under t e st . +m axi m um t e st durat i on 2.0 m s , one out put l o aded at a t i m e. function table input s m o d e m r p l cp u cp d h x x x reset(asy n . ) l l x x p r e s e t ( a s y n . ) l h h no c ount l h h c ount u p 3 l h h c ount d o w n l h h no c ount x = don?t care the kk 74act192 can be preset to any state, but will not count beyond 9. if pr eset to state 10, 11, 12, 1 3 , 1 4 o r 1 5 , it will fo llo w th e seq u e n ce 1 0 , 1 1 , 6 : 1 2 , 13, 4: 14, 15, 2 i f count i ng up, and fol l o w t h e sequence 15, 14, 13, 12, 11, 10, 9 i f count i ng down. logi c equat i ons fo r term in al co u n t: tc u = q 0 ? q 3 ? cp u tc d = q 0 ? q 1 ? q 2 ? q 3 ? cp d
KK74ACT192 ac electrical characteristics (v cc =5.0 v 10%, c l =50pf,input t r =t f =3.0 ns) g u a r a n t e e d lim i t s sym b o l p a r a m e t e r 25 c - 4 0 c to 85 c un it min max m in max f ma x m a xi m u m c l ock frequency (fi gure 1) 100 80 m h z t plh propagat i on del a y , c p u or c p d to tc u or tc d (fi gure 2) 1 5 1 6 . 5 n s t phl propagat i on del a y , c p u or c p d to tc u or tc d (fi gure 2) 1 4 1 5 . 5 n s t plh propagat i on del a y , c p u or c p d to q n (fi gure 1) 12 13.5 ns t phl propagat i on del a y , c p u or c p d to q n (fi gure 1) 12 13.5 ns t plh propagat i on del a y , p n to q n (fi gure 3) 12 13.5 ns t phl propagat i on del a y , p n to q n (fi gure 3) 12 13.5 ns t plh propagat i on del a y , pl t o q n (fi gure 4) 12 13.5 ns t phl propagat i on del a y , pl t o q n (fi gure 4) 15 16.5 ns t phl propagat i on del a y , m r t o q n (fi gure 5) 15 16.5 ns t plh propagat i on del a y , m r t o tc u (fi gure 6) 14 15.5 ns t phl propagat i on del a y , m r t o tc d (fi gure 6) 14 15.5 ns t plh propagat i on del a y , pl t o tc u or tc d (fi gure 6) 1 5 1 6 . 5 n s t phl propagat i on del a y , pl t o tc u or tc d (fi gure 6) 1 1 1 2 . 5 n s t plh propagat i on del a y , p n to tc u or tc d (fi gure 6) 15 16.5 ns t phl propagat i on del a y , p n to tc u or tc d (fi gure 6) 15 16.5 ns c in m a xi m u m input c a paci t a nce 4.5 4.5 pf typical @25 c,v cc =5.0 v c pd power di ssi pat i on c a paci t a nce 45 pf 4
KK74ACT192 timing requirements (c l =50pf, input t r =t f =3.0 ns, v cc =5.0 v 10%) g u a r a n t e e d lim i t s sym b o l p a r a m e t e r 25 c - 4 0 c to 85 c un it t su m i n i mu m s e t u p t i me , p n t o pl (fi gure 7) 8 9 ns t h m i n i mu m h o l d t i me , p l t o p n (fi gure 7) -1.0 -1.0 ns t w m i ni m u m pul s e w i dt h, pl (fi gure 4) 14 15 ns t w m i ni m u m pul s e w i dt h, c p u or c p d (fi gure 1) 1 0 1 1 n s t w m i ni m u m pul s e w i dt h, m r (fi gure 5) 12 14 ns t rec m i n i mu m r e c o v e r y t i me , p l t o c p u or c p d (fi gure 5) 8 9 n s t rec m i n i mu m r e c o v e r y t i me , m r t o c p u or c p d (fi gure 5) 1 4 1 6 n s 5 fi gure 1. sw i t chi n g waveforms fi gure 2. sw i t chi n g waveforms fi gure 3. sw i t chi n g waveforms fi gure 4. sw i t chi n g waveforms
KK74ACT192 fi gure 5. sw i t chi n g waveforms fi gure 6. sw i t chi n g waveforms fi gure 7. sw i t chi n g waveforms timing diagram 6
KK74ACT192 expanded logic diagram 7
KK74ACT192 n s u f f i x p l as t i c di p (m s - 0 0 1 b b ) sy m b o l m i n m a x a 18. 67 19. 69 b 6. 1 7 . 1 1 c 5. 33 d 0. 36 0. 56 f 1. 14 1. 78 g h j 0 10 k 2. 92 3. 81 no t e s : l 7. 62 8. 26 1. d i m e n s i o n s ?a ?, ?b ? d o n o t i n cl u d e m o l d f l as h o r p r o t r u s i o n s . m 0. 2 0 . 3 6 m a x i m u m m o l d f l a s h o r p r o t r u s i o n s 0. 25 m m ( 0 . 010) p e r s i d e . n 0. 38 d su f f i x so i c (m s - 0 1 2 a c) sy m b o l m i n m a x a 9. 8 1 0 b 3. 8 4 c 1. 35 1. 75 d 0. 33 0. 51 f 0. 4 1 . 2 7 g h j 0 8 no t e s : k 0. 1 0 . 2 5 1. d i m e n s i o ns a a n d b d o no t i n c l ud e m o l d f l a s h o r p r ot r u s i on . m 0. 19 0. 25 2. m a x i m u m m o l d f l a s h o r p r o t r u s i o n 0. 15 m m ( 0 . 006) p e r s i d e p 5. 8 6 . 2 fo r a ; fo r b ? 0. 25 m m ( 0 . 010) p e r s i d e . r 0. 25 0. 5 5. 72 2. 54 7. 62 1. 27 d i me n s i o n , mm d i me n s i o n , mm a b h c k c m j f m p g d r x 4 5 se a t i n g pl an e 0 . 25 ( 0 . 010 ) m t -t - 1 16 8 9 l h m j a b f g d se a t i n g pl a n e n k 0. 2 5 ( 0 . 010) m t -t - c 1 16 8 9 8
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