feature s : descript i o n : ? p ate n ted tec h n o log y ? h igh s ig n al - 3 db p a ss in g b a n d w i d t h at 1 . 1 g h z ? near-zero propagation delay ? v c c = 1.6 5 v t o 3 . 6 v ? ultra-low quiescent power: 0.1 a typical ? ideally suited for low power applications ? i n dus t r ial ope r ating tem p e r atu r e: - 4 0 c t o + 8 5 c ? a v a il a b l e i n 48 p i n t s s o p pa c k a g e p o t a t o s e m i c o n d u c t or ? s p o 3 b 1 6 86 1 a i s d e s i g n e d f o r w o r l d t o p pe r f o r m a n c e u s i n g s u b m ic r o n c mo s tec h n o lo g y t o a c h i e v e gh z high b an dw idth . the p o 3 b 1 6 86 1 a i s a 2 0- bit , 2-por t bu s sw itc h. t h e sw itch i n t ro d u ce s n o a dd iti o nal gro u nd b o u nce n o i s e or p ro pagatio n delay . p i n co n f i gu r at i on bloc k d ia g r a m truth table n c 1 a 0 2 a 1 3 a 2 4 a 3 5 a 4 6 a 5 7 a 6 8 a 7 9 a 8 10 a9 a10 a11 a12 a13 a14 a15 a16 a17 a18 a19 11 gn d 12 n c 13 14 15 16 17 18 19 20 21 22 23 gn d 24 vcc 48 be1 47 b0 46 b1 45 b2 44 b3 43 b4 42 b5 41 b6 40 b7 39 b8 38 b9 b10 b11 b12 b13 b14 b15 b16 b17 b18 b19 37 vcc be2 36 35 34 33 32 31 30 29 28 27 26 25 be1 a9 a0 b9 b0 be2 a19 a10 b19 b10 b a be sw sw sw sw sw connect disconnent function bex h l a19-a0 hi-z b19-b0 20-bit, 2-port bus switch high b andwidth p ot a t o c hip 1 01 / 01 / 10 potato semiconductor corporation po3b16861a www.potatosemi.com
storage t emperature ................................................ ?65c to +150c ambient t emperature with power applied ............... ?40c to +85c supply v oltage to ground potential ........................... ?0.5 v to +4.6v dc input v oltage ........................................................ ?0.5 v to +vcc dc output current ............................................................... .... 120ma power dissipation ............................................................... ........ 0.5w maxi mum rat i ngs (above which the useful life may be impaired. for user guidelines, not tes t ed.) dc elec t ric a l ch arac t eri st ic s , 3 . 3 v supp l y (over the operating range, t a = ?40c to +85c, v cc = 3.3 v 10% ) parameters description t est conditions min. t yp. max. units v ih input high v oltage guaranteed logic high level 2.0 v v il input lo w v oltage guaranteed logic lo w level 0.8 i ih input high current v cc = max. , v in = v cc 1 a i il input lo w current v cc = max. , v in = gnd 1 i ozh high impedance output current 0 y , i n v cc 1 r on switch on-resistance v cc = min., v in = 0.0 v , i on = -48 m a or -64ma 12 24 v cc = min., v in = v cc , i on = -15 ma 12 24 dc elec t rical ch arac t eri st ic s , 2 .5 v supp l y (over operating range, t a = ?40c to +85c, v cc = 2.5 v 10%) parameters description t est conditions min. t yp. max. units v ih input high v oltage guaranteed logic high level 1.8 v cc + 0.3 v v il inout lo w v oltage guaranteed logic lo w level ?0.3 0.8 i ih input high current v cc = max., v in = v cc 1 a i il input lo w current v cc = max., v in = gnd 1 i ozh high impedance current 0 y , in v cc 1 r on switch on resistance v cc = min., v in = 0.0 v , i on = ?48ma 18 26 v cc = min., v in = 2.25 v , i on = -15m a 18 26 n o t e : s t r e s s e s g r eat e r t h a n t h o s e l i s t e d u n d e r maxim u m r a tings may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this speci?cation is not implied. exposure to absolute maximum rating conditions for extended periods may a f fect reliabilit y . 20-bit, 2-port bus switch high b andwidth p ot a t o c hip 2 01 / 01 / 10 potato semiconductor corporation po3b16861a www.potatosemi.com po3b16861at
po w er supply c h aracteristics s y m b o l descrip t i o n tes t c o ndi t i o n s ( 1 ) m i n t y p m a x uni t ic c qu i e s c e n t p o w e r s u p p l y c ur r e n t v cc = m a x , v i n = v c c o r g n d - 0.1 3 ua n o t es : 1 . f o r c o n d i t i o n s s h o w n a s m a x . o r m i n . , u s e a p p r o p r i a t e v a l u e s p e c i f i e d u n d e r e l e c t r i c a l c h a r a c t e r i s t i c s fo r t h e a p p l i c a b l e d e v i c e t y p e . 2 . t y pic a l v a l u e s a r e a t v c c = 3 . 3 v , 2 5 c a m b i e n t . 3 . t h i s p a r a m e t e r i s g u a r a n t e e d b u t n o t t e s t e d . 4 . n o t m o r e t h a n o n e o u t p u t s h o u l d b e s h o r t e d a t o n e t i m e . d u r a t i o n o f t h e t e s t s h o u l d n o t e x c e e d o n e s e c o n d . 5 . v o h = v c c ? 0 . 6 v a t r a t e d c u r r e n t capacitance (t a = 25c f = 1 mhz) switching characteristics over 3.3v operating range parameters description conditions units max. t plh t phl see t est diagram 0.3 ns t pzh t pzl see t est diagram 2.0 t phz t plz 3.0 dynamic electrical characteristics over the operating range (t a = -40o to +85o, v cc = 3.3 v 10%) parameter description t est condition t yp. units x t alk crosstalk r l = 100 -60 db o irr o f f-isolation r l = 100 -60 bw -3db bandwidth r l = 100 1.1 ghz parameters s n o i t i d n o c t s e t n o i t p i r c s e d t y p . un i t s c i n v e c n a t i c a p a c t u p n i i n f p 0 . 3 v 0 = c o f f a/b capacitance, switch of f v i n f p 0 . 5 v 0 = c o n a/b capacitance, switch o n v i n = 0 v 1 0 . 0 p f propogation delay bus enable time bus disable time 20-bit, 2-port bus switch high b andwidth p ot a t o c hip 3 01 / 01 / 10 potato semiconductor corporation po3b16861a www.potatosemi.com po3b16861at
sw i t c h i ng ch arac t eri st ic s over 2 . 5 v o p era t i n g r a n g e parameters description conditions units max. t plh t phl see t est diagram 0.3 ns t pzh t pzl see t est diagram 2.0 t phz t plz 3.0 te st c irc u i t fo r elec t rical ch ar a c t eri st ic s r t 10pf c l v cc v in v ou t 200-ohm 200-ohm 6.0v pulse generator d.u.t sw i t c h po s i t io n s t est switch t plz , t pzl 6.0 v t phz , t pzh gnd prop delay open sw i t c h i n g wave fo r m s t plz 1.25v 1.25v 2.5v v oh 0v v ol v dd/2 v dd/2 t phz t pzl t pzh output output v ol +0.3v v oh ?0.3v v ol v oh sel input t plh 2.5v 2.5v 2.5v 2.5v t phl 3.5v 1.5v output v oh v ol v oltage w aveforms p r opagation delay t imes v oltage w aveforms enable and disable t imes propogation delay bus enable time bus disable time 20-bit, 2-port bus switch high b andwidth p ot a t o c hip 4 01 / 01 / 10 potato semiconductor corporation po3b16861a www.potatosemi.com po3b16861at
p a c k a g i ng me c h a n i c a l d r a w i ng : 4 8 p i n t ss o p x.xx x.xx denotes dimensions in millimeters .236 .244 .488 .496 .002 .006 .007 .010 .0197 .004 .008 .319 1 48 12.4 12.6 6.0 6.2 0.50 0.17 0.27 8.1 0.05 0.15 0.09 0.20 .018 .030 .047 1.20 max 0.45 0.75 20-bit, 2-port bus switch high b andwidth p ot a t o c hip 5 01 / 01 / 10 potato semiconductor corporation po3b16861a www.potatosemi.com ic ordering information top-marking ordering code package pb-free & green pb-free & green po3b16861atu for tube po3b16861atr for tape & reel po3b16861at po3b16861at -40 c to 85 c -40 c to 85 c t a ic package information p a c k a ge code p a c k a ge type qty per tube t ape width (mm) t ape pi t ch (mm) pin 1 l oc a tion t ape trailer len g th qty per reel t ape leader len g th 24 12 t op l eft corner 26 (12?) 1500 43 (20?) t 240mil tssop 48 39 48pin 240mil tssop 48pin 240mil tssop
|
