1 ps8453f 03/09/01 1 1a 1b2 2b2 3a 3b2 4b2 5a 5b2 6b2 7a 7b2 8b2 gnd vcc 9a 9b2 10b2 11a 11b2 12b2 13a 13b2 14b2 15a 15b2 16b2 vbias2 sel2 1b1 2b1 2a 3b1 4b1 4a 5b1 6b1 6a 7b1 8b1 8a gnd vcc 9b1 10b1 10a 11b1 12b1 12a 13b1 14b1 14a 15b1 16b1 16a vbias1 sel1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 25 26 27 28 32 31 30 29 product description pericom semiconductor?s pi3c series of logic circuits are produced using the company?s advanced submicron cmos technology, achieving industry leading performance. the PI3C32160 is a 16- to 32-bit demultiplexer bus switch. industry leading advantages include a propagation delay of 500ps, resulting from 9 ohms channel resistance and low i/o capacitance. a port demultiplexes to either 1b or 2b and the switch is bidirectional. application pci hot plugging. logic block diagram pin description product features ?r on is 9 ohms typical ? pullup on b1 and b2 ports ? low power: 70a typical ? industrial operation temperature: ?40oc to +85oc ? near zero propagation delay ? switching speed: 5ns max. ? channel on capacitance: 12pf typical ?v cc operating range: +2v to +3.6v ? >100 mhz bandwidth (or clock rate) at 20pf load capacitance ? package: 56-pin tssop (a) n o i t c n u fl e s 1 l e s 2 b n o t a n 1 lh b n o t a n 2 hl b n o t a n 1 b n d n a 2 ll b n 1 ,b n 2 v = s a i b hh PI3C32160 3.3v, high bandwidth,16:32-bit, pci hot-plug mux/demux bus switch 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 56-pin a pullup 16b2 sel 1 16a 1a sel 2 vbias 2 vbias 1 pullup 16b1 pullup 1b2 vbias 2 vbias 1 pullup 1b1
2 ps8453f 03/09/01 PI3C32160 3.3v, high bandwidth, 16:32-bit, pci hot-plug mux/demux bus switch 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 capacitance (t a = 25c, f = 1 mhz) storage temperature ......................................... ?65c to +150c ambient temperature with power applied ......... ?40c to +85c supply voltage to ground potential .................... ?0.5v to +4.6v dc i/o voltage ....................................................... ?0.5v to 5.5v dc output current ........................................................... 120ma power dissipation .............................................................. 0.5w note: stresses greater than those listed under maximum ratings 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 specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect reliability. notes: 1. for max. or min. conditions, use appropriate value specified under electrical characteristics for the applicable device type. 2. typical values are at v cc = 3.3v, t a = 25c ambient and maximum loading. 3. not more than one output should be shorted at one time. duration of the test should not exceed one second. 4. measured by the voltage drop between a and b pins at indicated current through the switch. on resistance is determined by the lower of the voltages on the two (a & b) pins. 5. this parameter is determined by device characterization but is not production tested. maximum ratings (above which the useful life may be impaired. for user guidelines, not tested.) s r e t e m a r a pn o i t p i r c s e ds n o i t i d n o c t s e t ) 1 ( . n i mp y t ) 2 ( . x a ms t i n u v h i e g a t l o v h g i h t u p n il e v e l h g i h c i g o l d e e t n a r a u g0 . 2??v v l i e g a t l o v w o l t u p n il e v e l w o l c i g o l d e e t n a r a u g5 . 0 ??8 . 0v i h i t n e r r u c h g i h t u p n iv c c v , . x a m = n i v = c c ?? 1 a i l i t n e r r u c w o l t u p n iv c c v , . x a m = n i d n g =??1 a i h z o t n e r r u c t u p t u o e c n a d e p m i h g i hv r o v 0 = a c c v , . x a m 1 s a i b v = 2 s a i b v = c c . x a m? 1 a i o t n e r r u c p u l l u pv r o v 0 = b c c v , . x a m 1 s a i b v = 2 s a i b v = c c . x a m2 . 0 ??2 ?a m v k i e g a t l o v e d o i d p m a l cv c c i , . n i m = n i a m 8 1 ? =?3 7 . 0 ?2 . 1 ?v r n o e c n a t s i s e r n o h c t i w s ) 4 ( v c c v , . n i m = n i a m 0 . 0 = i n o a m 4 6 r o a m 8 4 = ?0 . 92 1 w v c c i , . n i m = n i v 4 . 2 = i n o a m 5 1 = ?6 13 2 w dc electrical characteristics (over the operating range, t a = ?40c, v cc = 3.3v 10%, v bias = 1.3v to v cc ) s r e t e m a r a p ) 5 ( n o i t p i r c s e ds n o i t i d n o c t s e t. p y t. x a ms t i n u c n i e c n a t i c a p a c t u p n i5 . 3? c f f o f f o h c t i w s , e c n a t i c a p a c b / a v n i v 0 = 0 . 4? f p c n o f f o h c t i w s , e c n a t i c a p a c b / a0 . 2 1?
PI3C32160 3.3v, high bandwidth, 16:32-bit, pci hot-plug mux/demux bus switch 3 ps8453f 03/09/01 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 s r e t e m a r a pn o i t p i r c s e ds n o i t i d n o c ) 1 ( 0 6 1 2 3 c 3 i p m o c . n i m. x a ms t i n u t h l p t l h p y a l e d n o i t a g a p o r p ) 3 , 2 ( a x b o t x b , x a o t x c l f p 0 5 = r l 0 0 5 = w ?0 5 . 0 s n t h z p t l z p e m i t e l b a n e s u b e b x a o t x b r o x c l f p 0 5 = r l 0 0 5 = w 0 0 5 = r w 5 . 15 . 6 t z h p t z l p e m i t e l b a s i d s u b e b x a o t x b r o x 5 . 15 . 5 power supply characteristics notes: 1. for max. or min. conditions, use appropriate value specified under electrical characteristics for the applicable device. 2. typical values are at v cc = 3.3v, +25c ambient. 3. per ttl driven input (control inputs only); a and b pins do not contribute to i cc . switching characteristics over operating range notes: 1. see test circuit and waveforms. 2. this parameter is guaranteed but not tested on propagation delays. 3. the bus switch contributes no propagational delay other than the rc delay of the on resistance of the switch and the load cap acitance. the time constant for the switch alone is of the order of 0.25ns for 50pf load. since this time constant is much smaller than t he rise/fall times of typical driving signals, it adds very little propagational delay to the system. propagational delay of the bus switch when used in a system is determined by the driving circuit on the driving side of the switch and its interaction with the load on the dri ven side. s r e t e m a r a pn o i t p i r c s e ds n o i t i d n o c t s e t ) 1 ( . n i m. p y t ) 2 ( . x a ms t i n u i c c t n e r r u c y l p p u s r e w o p t n e c s e i u q v c c . x a m = v n i v r o d n g = c c ?0 6 20 5 8 a d i c c h g i h l t t @ t u p n i r e p t n e r r u c y l p p u s v c c . x a m = v n i v 0 . 3 = ) 3 ( ?? 0 5 7
4 ps8453f 03/09/01 PI3C32160 3.3v, high bandwidth, 16:32-bit, pci hot-plug mux/demux bus switch 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pericom semiconductor corporation 2380 bering drive ? san jose, ca 95131 ? 1-800-435-2336 ? fax (408) 435-1100 ? http://www.pericom.com ordering information .002 .006 seating plane .007 .011 .004 .008 1 56 .236 .244 0.50 0.17 0.27 0.05 0.15 0.09 0.20 x.xx x.xx denotes dimensions in millimeters .018 .030 0.45 0.75 .047 max. 1.20 6.0 6.2 .547 .555 13.9 14.1 .319 8.1 .0197 bsc bsc 56-pin tssop (a) package t r a pe g a k c a p - n i ph t d i we r u t a r e p m e t a 0 6 1 2 3 c 3 i p) a ( p o s s t - 6 5l i m - 0 4 2c 5 8 o t c 0 applications information logic inputs the logic control inputs can be driven up to +3.6v regardless of the supply voltage. for example, given a +3.3v supply, the ou tput enables or select pins may be driven low to 0v and high to 3.6v. driving in rail-to-rail ? minimizes power consumption. power-supply sequencing proper power-supply sequencing is recommended for all cmos devices. it is recommended to always apply v cc before applying signals to input/output or control pins. hot insertion for datacom and telecom applications that have 10 or more volts passing through the backplane or system bus, a high voltage fro m the power supply may be seen at the device input pins during hot insertion. the pi3cxxx devices have maximum limits of 5.5v and 120 ma for 20ns. if the power is higher or applied for a longer period of time or repeatedly reaches the maximum limits, the devices can b e damage. rail-to-rail is a registered trademark of nippon motorola, ltd
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