feature s : descript i o n : ? patented technology ?high signal -3db passing bandwidth at 1. 1 g hz ? near-zero propagation delay ? v cc = 1.65 v t o 3 . 6 v ? ultra-low quiescent power: 0.1a typical ? ideally suited for low power applications ?industrial operating temperature: -40 c to +85 c ? a v a il a b l e i n 48 p i n t ss o p pac k a g e po t a t o s e m i c o n d u c t or s p o 3b16244 a i s de s i g n ed f o r w o r l d t op per f or m a n ce u s i n g s u b m icro n c mos tech n o log y to a c h i e v e ghz high bandwidth. the p o 3b16244 a is a 16-bit, 4-port bus switch. t he switch introduces no additional ground bounce noise or propagation delay. pi n co n f i gu r at i on block diagra m truth table 03/16/08 16-bit, 4-port bus switch copyright ?potato semiconductor corporation 1 PO3B16244A high bandwidth potato chip 2 be 1 be 1 b 1 1 b 0 1 a 1 1 a 0 1 b 1 1 b 0 1 a 3 1 a 2 2 b 1 2 b 0 2 a 1 2 a 0 2 b 3 2 b 2 2 a 3 2 a 2 4 be 3 be 3 b 1 3 b 0 3 a 1 3 a 0 3 b 1 3 b 0 3 a 3 3 a 2 4 b 1 4 b 0 4 a 1 4 a 0 4 b 3 4 b 2 4 a 3 4 a 2 b a be sw sw sw sw sw sw sw sw sw sw sw sw sw sw sw sw sw 1 b e 1 1 b 0 2 1 b 1 3 gn d 4 1 b 2 5 1 b 3 6 v cc 7 2 b 0 8 2 b 1 9 gn d 10 2 b 2 11 2 b 3 12 3 b 0 13 3 b 1 14 gn d 15 3 b 2 16 3 b 3 17 v cc 18 4 b 0 19 4 b 1 20 gn d 21 4 b 2 22 4 b 3 23 4 b e 24 2 be 48 1 a 0 47 1 a 1 46 gnd 45 1 a 2 44 1 a 3 43 v cc 42 2 a 0 41 2 a 1 40 gnd 39 2 a 2 38 2 a 3 37 3 a 0 36 3 a 1 35 gnd 34 3 a 2 33 3 a 3 32 v cc 31 4 a 0 30 4 a 1 29 gnd 28 4 a 2 27 4 a 3 26 3 be 25 n o i t c n u e f b n 7 - 0 a n t c e n n o c s i z h d - i h t c e n n o c l 7 - 0 b n
storage t emperature ................................................ ?5? to +150? ambient t emperature with power applied ............... ?0? to +85? supply v oltage to ground potential ........................... ?.5 v to +4.6v dc input v oltage ........................................................ ?.5 v to +vcc dc output current ............................................................... .... 120ma power dissipation ............................................................... ........ 0.5w maximum ratings (above which the useful life may be impaired. for user guidelines, not tested.) dc electrical characteristics, 3.3v supply (over the operating range, t a = ?0? to +85?, v cc = 3.3 v ?0% ) 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 ? a i il input lo w current v cc = max. , v in = gnd ? i ozh high impedance output current 0 y , i n v cc ? 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 electrical characteristics, 2.5v supply (over operating range, t a = ?0? to +85?, 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 ?.3 0.8 i ih input high current v cc = max., v in = v cc ? a i il input lo w current v cc = max., v in = gnd ? i ozh high impedance current 0 y , in v cc ? r on switch on resistance v cc = min., v in = 0.0 v , i on = ?8ma 18 26 ? v cc = min., v in = 2.25 v , i on = -15m a 18 26 note : s t r e ss e s gr eate r than th os e li s te d un d e r maximu 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?ation is not implied. exposure to absolute maximum rating conditions for extended periods may a f fect reliabilit y . copyright ? potato semiconductor corporation 2 03/16/08 16-bit, 4-port bus switch PO3B16244A high bandwidth potato chip
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 qui e s ce n t p o w e r su p p l y curr e n t v cc= m a x , v i n = v cc o r g n d - 0.1 3 ua notes : 1 . f o r c o n d i t i o n s s h o w n a s m a x. or m i n. , u s e a p p r o p ri a t e v a l u e s p e c i f i e d un d er e l e c t r i ca l c h a r a c t e r i s t i c s for t h e a p pl i ca b le d e v i c e t y p e . 2 . t y pica 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 an t ee d b u t n o t te 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 ti m e . d u r a ti o n o f t h e t e s t s h o u l d n o t e x c ee d o n e s e c o nd . 5 . v o h = v cc 0 . 6 v at r a t e d c u rr e n t capacitance copyright ?potato semiconductor corporation 3 (t a = 25? 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 = -40?to +85? 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 typ . unit 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 of 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 10. 0 p f propogation delay bus enable time bus disable time 03/16/08 16-bit, 4-port bus switch PO3B16244A high bandwidth potato chip
copyright ?potato semiconductor corporation 4 switching characteristics over 2.5v 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 test circuit for electrical characteristics r t 10pf c l v cc v in v ou t 200-ohm 200-ohm 6.0v pulse generator d.u.t switch positions t est switch t plz , t pzl 6.0 v t phz , t pzh gnd prop delay open switching waveforms 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 ?.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 03/16/08 16-bit, 4-port bus switch PO3B16244A high bandwidth potato chip
copyright ?potato semiconductor corporation 5 03/16/08 16-bit, 4-port bus switch PO3B16244A high bandwidth potato chip p a c k ag i ng mec h a n ic a l d r a w i ng : 48 p i n tss 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
copyright ?potato semiconductor corporation 6 ordering information top-marking ordering code package 48-pin tssop tube pb-free & green 48-pin tssop tape and reel pb-free & green PO3B16244Atu PO3B16244Atr PO3B16244At PO3B16244At -40 c to 85 c -40 c to 85 c t a ic package information 03/16/08 16-bit, 4-port bus switch PO3B16244A high bandwidth potato chip 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 tssop 48 39
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