technical data kk74ac299 8-bit bidirectional universal shift register with parallel i/o high-speed silicon-gate cmos ordering information kk 74ac299n plastic kk 74ac299dw soic t a = -40 to 8 5 c for all packages the kk 74ac299 is identical in pinout to the ls/als299, hc / h c t 299. the devi ce i nput s are com p at i b l e wi t h st andard c m os out put s; wi t h pul l up resi st ors, t h ey are com p at i b l e wi t h ls/ a ls out put s. the kk 74ac299 features a multiplexe d parallel input/output data port t o achi e ve ful l 8-bi t handl i ng i n a 20 pi n package. due t o t h e l a rge out put d r iv e cap ab ility an d th e 3 - state featu r e, th is d e v i ce is id eally su ited fo r interface with bus lines in a bus-oriented system . two m ode-sel ect i nput s and t w o out put enabl e i nput s are used t o choose t h e m ode of operat i on as l i s t e d i n t h e funct i on tabl e. synchronous parallel loading is accom p lished by taking both mode- select lines, s 1 and s 2 , high. this places the outputs in the high- i m pedance st at e, whi c h perm i t s dat a appl i e d t o t h e dat a port t o be cl ocked into the register. reading out of th e register can be accom p lished when t h e out put s are enabl e d. the act i v e-l o w asy n chronous r e set overri des al l ot her i nput s. ? outputs directly interf ace to cmos, nmos, and ttl pin assignment ? operat i ng vol t a ge r a nge: 2.0 t o 6.0 v ? low input c u rrent : 1.0 a; 0.1 a @ 25 c ? high noise im m unity characteristic of cmos devices ? out put s source/ si nk 24 m a logic diagram pin 20=v cc pin 10 = gnd 1
kk74ac299 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) 2.0 6.0 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 =3.0 v v cc =4.5 v v cc =5.5 v 0 0 0 150 40 25 ns/ v * v in from 30% t o 70% v cc thi s devi ce cont ai ns prot ect i on ci rcui t r y t o guard agai ns t dam a ge due t o hi gh st at i c vol t a ges or el ect ri c fi el ds. however, precautions m u st be taken to avoid applications of any voltage highe r than m a xim u m rated voltages to this 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
kk74ac299 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 3.0 4.5 5.5 2.1 3.15 3.85 2.1 3.15 3.85 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 3.0 4.5 5.5 0.9 1.35 1.65 0.9 1.35 1.65 v v oh m i ni m u m hi gh- level out put vol t a ge i out -50 a 3.0 4.5 5.5 2.9 4.4 5.4 2.9 4.4 5.4 v * v in =v ih or v il i oh =-12 m a i oh =-24 m a i oh =-24 m a 3.0 4.5 5.5 2.56 3.86 4.86 2.46 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 3.0 4.5 5.5 0.1 0.1 0.1 0.1 0.1 0.1 v * v in = v ih or v il i ol =12 m a i ol =24 m a i ol =24 m a 3.0 4.5 5.5 0.36 0.36 0.36 0.44 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 oz m a x i mu m t h r e e - state leakage current v in (oe)= v ih or v il v in =v cc or gnd v out =v cc or gnd 5.5 0.6 6.0 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. no te: i in and i cc @ 3 . 0 v are g u a ran t eed to b e less th an o r eq u a l to th e resp ectiv e lim it @ 5 . 5 v v cc 3
kk74ac299 ac electrical characteristics (c l =50pf,input t r =t f =3.0 ns) v cc * guaranteed lim its sym b o l p a r a m e t e r v 25 c - 4 0 c to 85 c unit min max m in max f ma x m a xi m u m c l ock frequency (fi gure 1) 3.3 5.0 90 130 8 0 105 m h z t plh propagat i on del a y , c l ock t o q a ? or q h ? (fi gure 1) 3.3 5.0 8.5 5.5 20.5 14.0 7.0 4.5 22.0 15.0 ns t phl propagat i on del a y , c l ock t o q a ? or q h ? (fi gure 1) 3.3 5.0 8.5 5.5 21.5 14.5 7.0 5.0 23.0 16.0 ns t plh propagat i on del a y , c l ock t o q a th ru q h (fi gure 1) 3.3 5.0 9.0 6.0 20.5 14.5 7.5 5.0 22.5 16.0 ns t phl propagat i on del a y , c l ock t o q a th ru q h (fi gure 1) 3.3 5.0 10.0 6.5 23.0 16.0 8.5 6.0 24.5 17.5 ns t phl propagat i on del a y , r e set t o q a ? or q h ? (fi gure 2) 3.3 5.0 9.0 5.5 22.5 15.5 7.5 5.0 25.0 17.0 ns t phl propagat i on del a y , r e set t o q a th ru q h (fi gure 2) 3.3 5.0 9.0 5.5 21.5 15.0 7.5 5.0 24.0 16.5 ns t pzh propagat i on del a y , oe1, oe2 t o q a th ru q h (fi gure 3) 3.3 5.0 7.0 4.5 18.0 12.5 6.0 4.0 19.5 13.5 ns t pzl propagat i on del a y , oe1, oe2 t o q a th ru q h (fi gure 3) 3.3 5.0 7.0 5.0 18.0 12.5 6.0 4.0 20.5 14.0 ns t phz propagat i on del a y , oe1, oe2 t o q a th ru q h (fi gure 3) 3.3 5.0 6.5 3.5 18.5 14.0 5.5 3.0 19.5 15.0 ns t plz propagat i on del a y , oe1, oe2 t o q a th ru q h (fi gure 3) 3.3 5.0 5.5 3.5 17.0 12.5 4.5 2.0 19.0 13.5 ns c in m a xi m u m input c a paci t a nce 5.0 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 170 pf * vol t a ge r a nge 3.3 v i s 3.3 v 0.3 v vol t a ge r a nge 5.0 v i s 5.0 v 0.5 v 4
kk74ac299 timing requirements (c l =50pf,input t r =t f =3.0 ns) v cc * guaranteed lim its sym b o l p a r a m e t e r v 25 c - 4 0 c to 85 c unit t su m i ni m u m set up ti m e , m ode sel ect s1 or s2 t o c l ock (fi gure 4) 3.3 5.0 8.0 5.0 8.5 5.5 ns t su m i ni m u m set up ti m e , dat a input s p a th ru p h t o c l ock (fi gure 4) 3.3 5.0 5.5 3.5 6.0 4.0 ns t su m i ni m u m set up ti m e , dat a input s s a , s h to c l ock (fi gure 4) 3.3 5.0 6.5 4.0 7.0 4.5 ns t h m i ni m u m hol d ti m e , c l ock t o m ode sel ect s1 or s2 (fi gure 4) 3.3 5.0 0.5 1.0 0.5 1.0 ns t h m i ni m u m hol d ti m e , c l ock t o dat a input s p a th ru p h (fi gure 4) 3.3 5.0 0 1.0 0 1.0 ns t h m i ni m u m hol d ti m e , c l ock t o dat a input s s a , s h (fi gure 4) 3.3 5.0 0 1.0 0.5 1.0 ns t rec min i m u m reco v e ry tim e , reset in activ e to c l ock (fi gure 2) 3.3 5.0 1.5 1.5 1.5 1.5 ns t w m i ni m u m pul s e w i dt h, c l ock (fi gure 1) 3.3 5.0 4.5 3.5 5.0 3.5 ns t w m i ni m u m pul s e w i dt h, r e set (fi gure 2) 3.3 5.0 4.5 3.5 5.0 3.5 ns * vol t a ge r a nge 3.3 v i s 3.3 v 0.3 v vol t a ge r a nge 5.0 v i s 5.0 v 0.5 v 5
kk74ac299 function table input s r e s p o n s e m o d e r e set m o d e select out put enables clo c k s erial input s p a / q a p b / q b p c / q c p d / q d p e / q e p f / q f p g / q g p h / q h q a ? q h ? s 2 s 1 o e 1 o e 2 d a d h r e s e t l x l l l x x x l l l l l l l l l l l l x l l x x x l l l l l l l l l l l h h x x x x x q a t h rough q h = z l l sh ift r i ght h l h h x d x shift right: q a t h rough q h =z; d a f a ; f a f b ; etc d q g h l h x h d x shift right: q a t h rough q h =z; d a f a ; f a f b ; etc d q g h l h l l d x sh ift rig h t: d a f a =q a ; f a f b =q b ; etc d q g sh ift left h h l h x x d shift left: q a t h rough q h =z; d h f h ; f h f g ; etc q b d h h l x h x d shift left: q a t h rough q h =z; d h f h ; f h f g ; etc q b d h h l l l x d shift left: d h f h =q h ; f h f g =q g ; etc q b d parallel load h h h x x x x parallel load:p n f n p a p h h o l d h l l h x x x x hold: q a t h rough q h =z; f n =f n p a p h h l l x h x x x hold: q a t h rough q h =z; f n =f n p a p h h l l l l x x x hold: q n =q h p a p h z = hi gh i m pedance d = dat a on seri al i nput f = flip-flop (see logic diagram ) w h en one or bot h out put cont rol s are hi gh t h e ei ght i nput / out put t e rm i n al s are di sabl ed t o t h e hi gh- i m pedance st at e; however, sequent i a l operat i on or cl eari ng of t h e regi st er i s not affect ed. 6
kk74ac299 fi gure 1. sw i t chi n g waveform fi gure 2. sw i t chi n g waveform fi gure 3. sw i t chi n g waveform fi gure 4. sw i t chi n g waveform 7
kk74ac299 expanded logic diagram 8
kk74ac299 n s u f f i x p l as t i c d i p (m s - 0 0 1 a d) sy m b o l m i n m a x a 24. 8 9 26. 92 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 3 a c) sy m b o l m i n m a x a 12. 6 1 3 b 7. 4 7 . 6 c 2. 35 2. 65 d 0. 33 0. 51 f 0. 4 1 . 2 7 g h no t e s : j 0 8 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 pr o t r u s i on . k 0. 1 0 . 3 2. m a x i m u m m o l d fl a s h o r p r o t ru s i o n 0 . 1 5 m m (0 . 0 0 6 ) p e r s i d e m 0. 23 0. 32 f o r a ; fo r b ? 0. 25 m m ( 0 . 010) p e r s i d e . p 10 10. 65 r 0. 25 0. 75 d i me n s i o n , mm 1. 27 9. 53 d i me n s i o n , mm 2. 54 7. 62 a b h c k c m j f m p g d r x 4 5 se a t i n g pl a n e 0.2 5 ( 0 . 0 1 0 ) m t -t - 1 20 10 11 l h m j a b f g d se a t i n g pl an e n k 0.2 5 ( 0 . 010) m t -t - c 1 20 10 11 9
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