1 ps8579b 05/03/06 product features ? low propagation delay ? low on resistance switches connect inputs to outputs ? direct bus connection when switches are on ? ultra-low quiescent power (0.2 a typical) ? packages available (pb-free & green available): ? 16-pin 173-mil wide tssop (l) product pin configuration product pin description truth table (1) 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pi2b4300 2.5v/3.3v 4-bit, 3-port matrix switch logic block diagram product description the pi2b4300 is a 4-bit, 3-port bus exchange switch designed with a low on resistance allowing inputs to be connected directly to outputs. the switches are turned off by s 0 = h and s 1 = h. the a bus can be connected to b bus by s 0 = l and s 1 = l. the b bus can be connected to c bus by s 0 = h and s 1 = l. the c bus can be connected to a bus by s 0 = l and s 1 = h. b 0 a 0 c 0 b 3 a 3 c 3 decoder s 0 s 1 note: 1. h = high voltage level l = low voltage level hi-z = high impedance v cc s 0 1 s 1 a 0 2 c 0 b 0 3 b1 a 1 4 c 1 a 2 5 16 c 2 b 2 6 15 b 3 a 3 7 14 c 3 8 13 12 gnd 11 10 9 e m a n n i pn o i t p i r c s e d 1 s , 0 sn o i t c e r i d s u b 3 ? 0 aa s u b 3 ? 0 bb s u b 3 ? 0 cc s u b d n gd n u o r g v c c r e w o p applications ? blue tooth signal switching ? notebooks n o i t c n u f0 s1 s3 ? 0 a3 ? 0 b3 ? 0 c t c e n n o c s i dhhz - i hz - i hz - i h b - a t c e n n o cll3 ? 0 b3 ? 0 az - i h c - b t c e n n o chlz - i h3 ? 0 c3 ? 0 b a - c t c e n n o clh3 ? 0 cz - i h3 ? 0 a 06-0219
pi2b4300 2.5v/3.3v 4-bit, 3-port matrix switch 2 ps8579b 05/03/06 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 storage temperature .......................................................... ?65c to +150c ambient temperature with power applied .......................... ?40c to +85c supply voltage to ground potential ...................................... ?0.5v to +4.6v dc input voltage ................................................................... ?0.5v to +4.6v dc output current ............................................................................ 120ma power dissipation ................................................................................. 0.5w note: stresses greater than those listed under maximum ratings may cause permanent damage to the de- vice. this is a stress rating only and functional operation of the device at these or any other condi- tions above those indicated in the operational sec- tions 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. 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. maximum ratings (above which the useful life may be impaired. for user guidelines, not tested.) dc electrical characteristics (over the operating range, t a = ?40c to +85c, v cc = 2.3v to 2.7v) 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 g6 . 1 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 g 3 . 0 ?8 . 0 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 i 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 h0 b , a v c c 1 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 ? = 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 ) 3 ( v c c v , . n i m = n i , v 6 . 1 =i n o a m 5 1 = 0 20 3 dc 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 ) 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 g3 . 0 ?8 . 0 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 i 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 h0 b , a v c c 1 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 ? =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 ) 3 ( v c c v , . n i m = n i , v 0 . 0 =i n o a m 4 6 r o a m 8 4 = v c c v , . n i m = n i , v 4 . 2 =i n o a m 5 1 = 0 1 8 1 5 1 5 2 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 = 2.5v, t a = 25c ambient and maximum loading. 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. 06-0219
pi2b4300 2.5v/3.3v 4-bit, 3-port matrix switch 3 ps8579b 05/03/06 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 notes: 1. this parameter is determined by device characterization but is not production tested. capacitance (t a = 25c, f = 1 mhz) s r e t e m a r a p ) 1 ( 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 ts t i n u c n i e c n a t i c a p a c t u p n i v n i v 0 = 0 . 3 f p 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 0 . 5 c n o n o h c t i w s , e c n a t i c a p a c b / a 0 . 2 1 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 = 2.5v, +25c ambient. 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 qv c c . x a m =v n i v r o d n g = c c 0 1a power supply characteristics for 2.5v operation notes: 1. this parameter is guaranteed but not tested on propagation delays. 2. the bus switch contributes little 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 1.0ns for 30pf load. propagation 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 driven side. switching characteristics over 2.5v operating range 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 m o c s t i n u . n i m. x a m t , h l p t l h p y a l e d n o i t a g a p o r p ) 2 , 1 ( x a o t x c r o x c o t x b , x b o t x a c l f p 0 3 = r l 5 = 0 m h o - 0 0 . 1 s n t s x c r o x b r o x a o t y s e m i t n o i t c e r i d s u b 0 . 15 . 6 06-0219
pi2b4300 2.5v/3.3v 4-bit, 3-port matrix switch 4 ps8579b 05/03/06 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 t s e t1 s t d p n e p o t z l p t / l z p v x 2 c c t z h p t / h z p d n g 500 500 g n d 2x v cc open s1 from output under test c l = 30pf (see note 1) input t plh t phl v cc v cc /2 v cc /2 v cc /2 v cc /2 0 v output v oh v ol t pzl output control (low level enabling) 0 v v cc /2 v cc /2 v cc /2 v cc /2 t plz t phz v ol +0.3 v ( v cc = 3.3 v ) v ol +0.15 v ( v cc = 2.5 v ) v oh ?0.3 v ( v cc = 3.3 v ) v oh ?0.15 v ( v cc = 2.5 v ) v oh 0 v t pzh output waveform 1 s1 at 2x v cc (see n ote 2) output waveform 2 s1 at g n d (see n ote 2) v oh v ol v cc load circuit voltage waveforms propagation delay times voltage waveforms enable and disable times notes: 1. c l includes probe and jig capacitance. 2. waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output contro l. 3. all input pulses are supplied by generators having the following characteristics: prr < 10 mhz, z o = 50-ohm, t r 2ns, t f 2ns. 4. the outputs are measured one at a time with one transition per measurement. 5. t plz and t phz are the same as t dis . 6. t pzl and t pzh are the same as t en . 7. t plh and t phl are the same as t pd . parameter measurements 06-0219
pi2b4300 2.5v/3.3v 4-bit, 3-port matrix switch 5 ps8579b 05/03/06 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pericom semiconductor corporation ? 1-800-435-2336 ? www.pericom.com ordering information notes: ? thermal characteristics can be found on the company web site at www.pericom.com/packaging/ ? e = pb-free & green ? adding an x suffix = tape/reel e d o c g n i r e d r oe p y t e g a k c a pn o i t p i r c s e d e g a k c a p l 0 0 3 4 b 2 i pl p o s s t n i p - 6 1 e l 0 0 3 4 b 2 i pl p o s s t n i p - 6 1 , n e e r g & e e r f - b p .193 .201 .047 max. .002 .006 seati n g pla n e .0256 bsc .01 8 .030 .004 .00 8 .252 bsc 1 16 .169 .177 0.05 0.15 6.4 0.45 0.75 0.09 0.20 4.3 4.5 1.20 4.9 5.1 0.65 0.19 0.30 .007 .012 packaging mechanical: 16-pin tssop (l) package 06-0219
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