feature s : descript i o n : ? patented technology ?high signal -3db passing bandwidth at 1. 4 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 14 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 3b3126 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 3b3126 a is a high-bandwidth, 4-bit, 2-port bus switch w/ individual enables bus switch. 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 pin de s cription truth table 02/04/08 high-bandwidth, 4-bit, 2-port bus switch w/ individual enables copyright ?potato semiconductor corporation 1 PO3B3126A high bandwidth potato chip a0 a1 a2 be0 be1 a3 be2 be3 b0 b1 b2 b3 sw sw sw sw a b be sw 1 2 3 4 5 6 7 14 13 12 11 10 9 8 v cc be3 a3 b3 be2 a2 b2 be0 a0 b0 be1 a1 b1 gnd pin name description be n switch enable a 3 -a 0 bus a b 3 -b 0 bus b v cc power gnd ground a n b n v cc function x hi-z hi-z gn d disconnect h hi-z hi-z v cc disconnect l bn an v cc connect be 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 10 14 ? v cc = min., v in = v cc , i on = -15 ma 12 16 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 = vc c , 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 high-bandwidth, 4-bit, 2-port bus switch w/ individual enables PO3B3126A 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 propogation delay see t est diagram 0.3 ns t pzh t pzl bus enable time see t est diagram 2.0 t phz t plz bus disable time 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? 1.4 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 5 . 3 v 0 = c of f a/b capacitance, switch of f v i n f p 0 . 4 v 0 = c o n a/b capacitance, switch o n v i n = 0 v 8. 0 p f 02/04/08 high-bandwidth, 4-bit, 2-port bus switch w/ individual enables PO3B3126A 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 high bandwidth potato chip propogation delay bus enable time bus disable time 02/04/08 high-bandwidth, 4-bit, 2-port bus switch w/ individual enables PO3B3126A high bandwidth potato chip
copyright ?potato semiconductor corporation 5 high bandwidth potato chip 02/04/08 high-bandwidth, 4-bit, 2-port bus switch w/ individual enables PO3B3126A 0.193 0.201 0.047 0.002 0.006 0.0256 typical 1 14 0.169 0.177 0.05 0.15 4.3 4.5 1.20 max. 4.90 5.10 0.65 0.19 0.30 0.007 0.012 p a c k aging mech a n ical dra w ing : 14 pin tsso p x.xx x.xx denotes dimensions in millimeters seating plane 0.240 0.264 6.1 6.7
copyright ?potato semiconductor corporation 6 ordering information top-marking ordering code package 14-pin tssop tube pb-free & green 14-pin tssop tape and reel pb-free & green PO3B3126Atu PO3B3126Atr PO3B3126At PO3B3126At -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 12 8 t op l eft corner 39 (12? 3000 64 (20? t tssop 14 96 high bandwidth potato chip 02/04/08 high-bandwidth, 4-bit, 2-port bus switch w/ individual enables PO3B3126A
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