a a b be sw en 1 a 4 a 0 b 4 b 0 a 9 a 5 b 9 b 5 en 2 sw sw sw sw feature s : descript i o n : ? patented technology ?high signal -3db passing bandwidth at 750 m hz ? 5 v i/o t olerant with 3.3 v supply in off and on state ? hot insertion capable ? 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 24p i n qsop pac k a g e ? a v a il a b l e i n 24p i n t s s 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 po3b1000a 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 po3b1000a is a 10-bit, 2-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 pin de s cription truth table pi n nam e d e s cri pt i o n b e bus enable input (active low) a0 7 bus a b0 7 bus b gn d gr o u n d v c c powe r 10/27/07 hot insertion 10-channel 2-port bus switch copyright ?potato semiconductor corporation 1 po3b1000a high bandwidth potato chip en1 en1 b0 a0 a1 b1 b2 a2 a3 b3 b4 a4 gnd vcc b9 a9 a8 b8 b7 a7 a6 b6 b5 a5 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 pin name description en 1 , en 2 switch enables a 0 - a 9 a ports b 0 - b 9 b ports gnd ground v cc power
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 10 14 ? v cc = min., v in = v cc , i on = -15 ma 10 14 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 12 16 ? v cc = min., v in = 2.25 v , i on = -15m a 14 18 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 12/26/08 hot insertion 10-channel 2-port bus switch po3b1000a 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 = 50? -60 db o irr o f f-isolation r l = 50? -60 bw -3db bandwidth r l = 50? 750 mhz parameters description t est conditions t ypical units c in input capacitance v in = 0v 3 pf c offyn y n capacitance, switch off 4.4 c offin i n capacitance, switch off 3.5 c on i n /y n capacitance, switch on 7.9 10/27/07 hot insertion 10-channel 2-port bus switch po3b1000a high bandwidth potato chip propogation delay bus enable time bus disable time
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 10/27/07 hot insertion 10-channel 2-port bus switch po3b1000a high bandwidth potato chip propogation delay bus enable time bus disable time
copyright ?potato semiconductor corporation 5 10/27/07 hot insertion 10-channel 2-port bus switch po3b1000a high bandwidth potato chip packaging mechanical: 24-pin qsop packaging mechanical: 24-pin tssop .337 .344 .053 .069 .004 .010 .025 1 24 .150 .157 x.xx x.xx denotes dimensions in millimeters 0.635 8.56 8.74 1.35 1.75 0.101 0.254 .008 .012 0.203 0.305 3.81 3.99 .033 0.84 .007 .010 .228 .244 .016 .050 5.79 6.20 0.406 1.27 0.178 0.254 0.38 .015 x 45? detail a 24 1 .169 .177 4.3 4.5 .303 .311 7.7 7.9 .002 .006 0.05 0.15 .047 max 1.2 .0255 bsc 0.65 .007 .012 0.19 0.30 .252 bsc 6.4 .0075 .0098 0.19 0.25 .018 .030 0.45 0.75 x.xx x.xx denotes dimensions in millimeters
copyright ?potato semiconductor corporation 6 10/27/07 hot insertion 10-channel 2-port bus switch po3b1000a high bandwidth potato chip ordering information top-marking ordering code package 24-pin qsop tube pb-free & green 24-pin qsop tape and reel pb-free & green PO3B1000AQU po3b1000aqr po3b1000aq po3b1000aq -40 c to 85 c -40 c to 85 c 24-pin tssop tube pb-free & green 24-pin tssop tape and reel pb-free & green po3b1000atu po3b1000atr po3b1000at po3b1000at -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 16 8 t op l eft corner 39 (12? 3000 64 (20? q qsop 24 55 16 8 t op l eft corner 39 (12? 3000 64 (20? t tssop 24 62
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