feature s : descript i o n : ? patented technology ?high signal -3db passing bandwidth at 1. 15 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 ? 3.3 v to 2.2 v level shifting ? 2.5 v to 1.6 v level shifting ?industrial operating temperature: -40 c to +85 c ? a v a il a b l e i n 20p 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 3vt3245 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 3vt3245 a is a hot insertion 8-bit, 2-port, low voltage translator bus switch. po3vt3245 can do voltage level shifting from 3.3v to 2.2v or 2.5v to 1.6v. 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 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 nc a 0 a 1 a 2 a 3 a 4 a 5 a 6 a 7 gnd vcc be b 0 b 1 b 2 b3 b 4 b5 b 6 b7 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 functio n b e a 0 7 disconnec t h hi-z connec t l b 0 7 10/27/07 hot insertion 8-bit, 2-port, low voltage translator bus switch copyright ?potato semiconductor corporation 1 PO3VT3245A high bandwidth potato chip be a 7 a 0 b 7 b 0
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 = -8 m a 10 14 ? v cc = 2.3v, v in = 0.0 v , i on = -8 ma 11 15 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 8-bit, 2-port, low voltage translator bus switch PO3VT3245A high bandwidth potato chip vp pass v oltage v in = v cc = 3.3 v , i out = -5a 2.1 2.2 2.7 v v in = v cc = 2.5 v , i out = -5a 1.6
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? 1.15 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 f p 7 . 3 7.4 v 0 = c o n a/b capacitance, switch o n v i n = 0 v 10/27/07 hot insertion 8-bit, 2-port, low voltage translator bus switch PO3VT3245A 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 8-bit, 2-port, low voltage translator bus switch PO3VT3245A high bandwidth potato chip propogation delay bus enable time bus disable time
copyright ?potato semiconductor corporation 5 p a c k aging mech a n ical dra w ing : 2 0 pin t ssop .252 .260 .047 1.20 .002 .006 seating plane .0256 bsc 1 20 .169 .177 0.05 0.15 4.3 4.5 6.4 6.6 0.65 0.19 0.30 .007 .012 max .018 .030 .004 .008 .238 .269 6.1 6.7 0.45 0.75 0.09 0.20 x.xx x.xx denotes dimensions in millimeters 10/27/07 hot insertion 8-bit, 2-port, low voltage translator bus switch PO3VT3245A high bandwidth potato chip
copyright ?potato semiconductor corporation 6 ordering information top-marking ordering code package 20-pin tssop tube pb-free & green 20-pin tssop tape and reel pb-free & green PO3VT3245Atu PO3VT3245Atr PO3VT3245At PO3VT3245At -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? t tssop 20 74 10/27/07 hot insertion 8-bit, 2-port, low voltage translator bus switch PO3VT3245A high bandwidth potato chip
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