feature s : descript i o n : ? patented technology ?high signal -3db passing bandwidth at 1 g hz ? near-zero propagation delay ? v cc = 1.65 v t o 3 . 6 v ? ultra-low quiescent power: 0.1? 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 40p i n 5mm x 5mm qfn 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 3b402 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 3b402 a is a 4-port 2-channel, 2:1 multiplexer /demultiplexer with 3-state outputs. the 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 gnd v dd sel1 sel1 y1 - y1+ y1 - y1+ oe1 oe1 m1+ m1- m1+ m1- d1+ d1- d1+ d1- sel2 y2 - y2+ oe2 m2+ m2- d2+ d2- sel3 y3 - y3+ oe3 m3+ m3- d3+ d3- sel4 y4 - y4+ oe4 m4+ m4- d4+ d4- 10 11 20 21 30 31 40 1 gnd v dd sel2 y2 - y2+ oe2 m2+ m2- d2+ d2- gnd v dd sel3 y3 - y3+ oe3 m3+ m3- d3+ d3- gnd v dd sel4 y4 - y4+ oe4 m4+ m4- d4+ d4- oen yn+ yn - x h hi-z hi-z l l mn+ mn- h l dn+ dn- seln 01/07/09 4-port 2-channel, 2:1 mux/demux switch copyright ?potato semiconductor corporation 1 PO3B402A high bandwidth potato chip
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 = 0.0v, i on = -48 m a or -64ma 14 18 ? v cc = min., v in = v cc , i on = -15 ma 16 20 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 22 ? v cc = min., v in = vcc, i on = -15m a 18 22 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 high bandwidth potato chip 10/22/08 4-port 2-channel, 2:1 mux/demux switch PO3B402A
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 ghz high bandwidth potato chip parameters description t est conditions t yp. units c in input capacitance v in = 0v 3.0 pf c off port i capacitance, switch off 5.0 c on switch capacitance, switch on 10.0 propogation delay bus enable time bus disable time 01/07/09 4-port 2-channel, 2:1 mux/demux switch PO3B402A
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 high bandwidth potato chip propogation delay bus enable time bus disable time 10/22/08 4-port 2-channel, 2:1 mux/demux switch PO3B402A
p a c k ag i ng mec h a n ic a l d r a w i ng : 40 p i n qfn copyright ?potato semiconductor corporation 5 high bandwidth potato chip 10/22/08 4-port 2-channel, 2:1 mux/demux switch PO3B402A 20 11 10 21 1 30 31 40 40 31 1 11 10 20
copyright ?potato semiconductor corporation 6 ordering information top-marking ordering code package 40-pin qfn tape and reel pb-free & green PO3B402Aqfr PO3B402Aqf -40 c to 85 c t a high bandwidth potato chip 10/22/08 4-port 2-channel, 2:1 mux/demux switch PO3B402A
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