1 ps8169a 08/21/01 1 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 s0 1a1 1a2 2a1 2a2 3a1 3a2 gnd 4a1 4a2 5a1 5a2 6a1 6a2 7a1 7a2 vcc 8a1 gnd 8a2 9a1 9a2 10a1 10a2 11a1 11a2 12a1 12a2 s1 s2 1b1 1b2 2b1 2b2 3b1 gnd 3b2 4b1 4b2 5b1 5b2 6b1 6b2 7b1 7b2 8b1 gnd 8b2 9b1 9b2 10b1 10b2 11b1 11b2 12b1 12b2 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1 2345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012 12345678901 2 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pi3b16213 3.3v, 24-bit bus-exchange switch product description pericom semiconductor?s pi3b series of logic circuits are produced using the company?s advanced submicron cmos technology. the pi3b16213 is a 3.3 volt, 24-bit bus-exchange switch designed with a low on resistance allowing connections to be made with minimal propagation delay. this device operates either as a 24-bit or as a 12-bit bus switch, providing data exchange between the four signal ports via the data-select (s0-s2) terminals. product features ? near-zero propagation delay ? 5-ohm switches connect inputs to outputs ? direct bus connection when switches are on ? fast switching speed: 5.5ns max. ? operating v cc range: 3.0v to 3.6v ? industrial operating temperature: ?40c to +85c ? packages available: ? 56-pin 240-mil wide thin plastic tssop (a) ? 56-pin 300-mil wide plastic ssop (v) logic block diagram product pin configuration truth table product pin description note: 1. h = high voltage level l = low voltage level z = high impedance 56-pin a, v 1 of 12 channels flow control xb1 xb2 xa1 xa2 s0 s1 s2 n o i t c n u f2 s1 s0 s1 a2 a t c e n n o c s i d lll z z 1 b o t 1 allh1 bz 2 b o t 1 alhl2 bz 1 b o t 2 alhhz1 b 2 b o t 2 ahllz2 b 2 b d n a 2 a o t 1 ahlh2 b / 2 a2 b / 1 a 2 b o t 2 a , 1 b o t 1 ahhl1 b2 b 1 b o t 2 a , 2 b o t 1 a hhh 2 b1 b e m a n n i po / in o i t p i r c s e d 2 s - 0 si s t u p n i t c e l e s x a xo / ia s u b x b xo / ib s u b
2 ps8169a 08/21/01 pi3b16213 3.3v 24-bit bus-exchange switch 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 storage temperature .................................................... ?65c to +150c ambient temperature with power applied .................... ?40c to +85c supply voltage range ................................................... ?0.5v to +4.60v dc input voltage ........................................................... ?0.5v to +4.60v dc output current ...................................................................... 120ma power dissipation ............................................................................. 1 w 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 ex- tended periods may affect reliability. maximum ratings (above which useful life may be impaired. for user guidelines, not tested.) notes: 1. typical values are at v cc = 3.3v, t a = 25c ambient and maximum loading. 2. this parameter is determined by device characterization but is not production tested. 3. measured by the voltage drop between a and b pin at indicated current through the switch. on resistance is determined by the lower of the voltages on the two (a,b) pins. electrical characteristics (over the operating range, t a = ?40c to +85c, v cc = 3.0v to 3.6v) 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. n i mp y t ) 1 ( . x a mt i n us v ik e g a t l o v h g i h t u p n iv c c . n i m =i i =? a m 8 1?2 . 1v i i t n e r r u c t u p n i v c c 0 =v i . x a m =0 1 a v c c . x a m =v i d n g r o . x a m =1 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 qv c c 0 = o i . x a m =v i v = cc d n g r o0 1 c in ) 2 ( e c n a t i c a p a c t u p n iv n i v 0 =3 f p c off ) 2 ( e c n a t i c a p a c b / a , f f o h c t i w sv n i , 0 s ; v 0 =, 1 sd n g = 2 s4 1 r n o ) 3 ( b o t av c c . n i m =v c c m =n i v i 0 = i i =0 3, a m58 w i i =4 6a m58 v i v 4 . 2 =i i =5 1a m0 15 1 2 a o t 1 av c c . n i m =v c c m =n i v i 0 = i i =0 3, a m0 14 1 i i =4 6a m0 14 1 v i v 4 . 2 =i i =5 1a m0 20 3
3 ps8169a 08/21/01 pi3b16213 3.3v 24-bit bus-exchange switch 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 notes: 1. typical values are at v cc = 3.3v, +25c ambient. pi3b16213 switching characteristics over operating range note: 1. this parameter is guaranteed but not tested on propagation delays. the bus switch contributes no propagational delay other than the rc delay of the on resistance of the switch and the load capacitance. 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 the 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 th e driving circuit on the driving side of the switch and its interaction with the load on the driven side. 2. see test circuit and waveforms. pericom semiconductor corporation 2380 bering drive ? san jose, ca 95131 ? 1-800-435-2336 ? fax (408) 435-1100 ? http://www.pericom.com recommended operating conditions s r e t e m a r a pn o i t p i r c s e d. n i mp y t ) 1 ( . x a ms t i n u v c c e g a t l o v y l p p u s0 . 3 ? 6 . 3 v v h i e g a t l o v t u p n i l e v e l - h g i h2 ?? v l i e g a t l o v t u p n i l e v e l - w o l ?? 8 . 0 t a e r u t a r e p m e t r i a - e e r f g n i t a r e p o0 4 ? ? 5 8c s r e t e m a r a p) t u p n i ( m o r f) t u p t u o ( o t v c c v 6 . 3 o t v 0 . 3 = s t i n u . n i m. x a m t d p ) 2 , 1 ( b r o aa r o b5 2 . 0 s n 1 a2 a5 . 0 t n e ) 2 ( sb r o a15 . 4 t s i d ) 2 ( sb r o a15 . 5 t n e ) 2 ( 0 s2 a d n a 1 a15 . 4 t s i d ) 2 ( 0 s2 a d n a 1 a15 . 5
4 ps8169a 08/21/01 pi3b16213 3.3v 24-bit bus-exchange switch 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 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 56-pin tssop (a) package 56-pin ssop (v) package 0.25 0.20 .025 bsc 0.635 .008 .008 .016 0-8? 0.20 0.40 .110 2.79 .010 gauge plane .291 .299 x.xx x.xx denotes dimensions in millimeters 7.39 7.59 .396 .416 10.06 10.56 .02 .04 0.51 1.01 .015 .025 0.381 0.635 .720 .730 18.29 18.54 .008 .0135 0.20 0.34 1 56 x 45? nom. max t r a pn i pe g a k c a ph t d i we r u t a r e p m e t a 3 1 2 6 1 b 3 i p 6 5 p o s s tl i m - 0 4 2 c 5 8 o t c 0 4 ? v 3 1 2 6 1 b 3 i pp o s sl i m - 0 0 3 ordering information
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