1 ps8589c 10/29/03 product features ? maximum rated frequency: 140 mhz ? low cycle-to-cycle jitter ? input to output delay, less than 150ps ? external feedback pin allows outputs to be synchronized to the clock input ? 5v tolerant input* ? operates at 3.3v v dd ? test mode allows bypass of the pll for system testing purposes (e.g., ibis measurements) ? clock frequency multipliers ?x to 4x dependent on option ? packages (pb-free and green available): 16-pin, 150-mil soic (w) 16-pin 173-mil tssop (l) functional description the pi6c2408 is a pll-based, zero-delay buffer, with the ability to distribute eight outputs of up to 140 mhz at 3.3 v. two banks of four outputs exist, and, depending on product option ordered, can supply either reference frequency, prescaled half frequency, or multiplied 2x or 4x input clock frequencies. the pi6c2408 family has a power-sparing feature: when input sel2 is 0, the component will 3-state one or both banks of outputs depending on the state of input sel1. a pll bypass test mode also exists. this product line is available in high-drive and industrial environment versions. an external feedback pin is used to synchronize the outputs to the input; the relationship between loading of this signal and the other outputs determines the input-output delay. the pi6c2408 is characterized for both commercial and industrial operation. block diagram pin configuration pi6c2408 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 62408 * fb_in and clkin must reference the same voltage thresh- olds for the pll to deliver zero delay skewing pll option (-3, -4) clkin fb_in sel1 sel2 decode logic decode logic outa1 outa2 outa3 outa4 outb2 outb3 outb4 outb1 pi6c2408 (-1, -1h, -2, -3, -4) 2 pll clkin fb_in sel2 sel1 outa1 outa2 outa3 outa4 outb2 outb3 outb4 outb1 pi6c2408-6 mux 2 2 option (-2, -3) mux mux 1 2 3 v dd 4 gnd 5 outa2 6 outb2 7 sel1 8 outb1 fb_in outa3 v dd outb4 outb3 sel2 16 15 14 13 12 11 10 9 clkin outa1 gnd outa4 16-pin w, l
2 ps8589c 10/29/03 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pi6c2408 zero delay clock buffer 2 l e s1 l e s] 4 - 1 [ a t u o] 4 - 1 [ b t u oe c r u o s t u p t u ol l p 00 e t a t s - 3e t a t s - 3l l pf f o 01 l l pe t a t s - 3l l pn o 10 n i k l cn i k l cn i k l cf f o 11 l l pl l pl l pn o input select decoding for pi6c2408 (-1, -1h,-4) e c i v e dm o r f k c a b d e e fy c n e u q e r f ] 4 - 1 [ a t u oy c n e u q e r f ] 4 - 1 [ b t u o 1 - 8 0 4 2 c 6 i pb t u o r o a t u on i k l cn i k l c h 1 - 8 0 4 2 c 6 i pb t u o r o a t u on i k l cn i k l c 2 - 8 0 4 2 c 6 i pa t u on i k l c2 / n i k l c 2 - 8 0 4 2 c 6 i pb t u on i k l c x 2n i k l c 3 - 8 0 4 2 c 6 i pa t u on i k l c x 2n i k l c r o n i k l c ) 1 ( 3 - 8 0 4 2 c 6 i pb t u on i k l c x 4n i k l c x 2 4 - 8 0 4 2 c 6 i pb t u o r o a t u on i k l c x 2n i k l c x 2 6 - 8 0 4 2 c 6 i pa t u on i k l c2 / n i k l c r o n i k l c 6 - 8 0 4 2 c 6 i pb t u on i k l c x 2 r o n i k l cn i k l c pi6c2408 configurations 2 l e s1 l e s] 4 - 1 [ a t u o] 4 - 1 [ b t u oe c r u o s t u p t u ol l p 00 e t a t s - 3e t a t s - 3l l pf f o 01 n i k l c2 / n i k l cn i k l cf f o 10 l l pl l pl l pn o 11 l l p2 / l l pl l pn o input select decoding for pi6c2408-6 note: 1. output phase is indeterminant (0 or 180 from clkin) 2 l e s1 l e s] 4 - 1 [ a t u o] 4 - 1 [ b t u oe c r u o s t u p t u ol l p 00 e t a t s - 3e t a t s - 3l l pf f o 01 l l pe t a t s - 3l l pn o 10 n i k l c2 / n i k l cn i k l cf f o 11 l l pl l pl l pn o input select decoding for pi6c2408 (-2,-3)
3 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pi6c2408 zero delay clock buffer ps8589c 10/29/03 the relationship between loading of the fb_in signal and other outputs determines the input-output delay. zero delay is achiev ed when all outputs, including feedback, are loaded equally. zero delay and skew control clkin input to output bank delay vs. difference in loading between fb_in pin and outa/outb pins maximum ratings supply voltage to ground potential ............................................................................................. ................................ ?0.5v to +7.0v dc input voltage (except clkin) ................................................................................................ ........................ ?0.5v to v dd +0.5v dc input voltage clkin ......................................................................................................... ............................................. ?0.5 to 7v storage temperature ............................................................................................................ ....................................... ?65oc to +150oc maximum soldering temperature (10 seconds) ..... ................................................................................ ...................................... 260oc junction temperature ........................................................................................................... ....................................................... 150oc static discharge voltage (per mil-std-883, method 3015) ........................................................................ ............................ >2000v n i pl a n g i sn o i t p i r c s e d 1n i k l c ) n w o d - l l u p k a e w ( y c n e u q e r f e c n e r e f e r k c o l c t u p n i 5 1 , 4 1 , 3 , 2] 4 - 1 [ a t u o) n w o d - l l u p k a e w ( a k n a b , t u p t u o k c o l c 3 1 , 4v d d y l p p u s v 3 . 3 2 1 , 5d n gd n u o r g 1 1 , 0 1 , 7 , 6] 4 - 1 [ b t u o) n w o d - l l u p k a e w ( b k n a b , t u p t u o k c o l c 82 l e s) p u - l l u p k a e w ( 2 t i b , t u p n i t c e l e s 91 l e s) p u - l l u p k a e w ( 1 t i b , t u p n i t c e l e s 6 1n i _ b ft u p n i k c a b d e e f l l p pin description output load difference: fb_in load - outa/outb load (pf) clkin - input to outa/outb delay (ps) 600 800 400 200 0 -200 -400 -600 -800 -900 -1000 -25 -20 -15 -10 -5 0 5 10 15 20 25 PI6C2408-1H pi6c2408-1,2,3,4,6
4 ps8589c 10/29/03 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pi6c2408 zero delay clock buffer r e t e m a r a pn o i t p i r c s e d. n i m. x a ms t i n u v d d e g a t l o v y l p p u s0 . 36 . 3v t a e r u t a r e p m e t g n i t a r e p o l a c i r e m m o c00 7 c o e r u t a r e p m e t g n i t a r e p o l a i r t s u d n i0 4 ?5 8 c l z h m 0 0 1 w o l e b , e c n a t i c a p a c d a o l ? 0 3 f p z h m 0 4 1 o t z h m 0 0 1 m o r f , e c n a t i c a p a c d a o l ? 5 1 c n i e c n a t i c a p a c t u p n i ? 7 operating conditions (v cc = 3.3v 0.3v) dc electrical characteristics for industrial temperature devices 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 m. x a ms t i n u v l i e g a t l o v w o l t u p n i 8 . 0 v v h i e g a t l o v h g i h t u p n i 0 . 2 i l i t n e r r u c w o l t u p n iv n i =v 00 . 0 5 a i h i t n e r r u c h g i h t u p n iv n i =v d d 0 . 0 0 1 v l o e g a t l o v w o l t u p t u oi l o i ; ) 6 ? , 4 ? , 3 ? , 2 ? , 1 ? ( a m 8 = l o ) h 1 ? ( a m 2 1 =4 . 0 v v h o e g a t l o v h g i h t u p t u oi h o i ; ) 6 ? , 4 ? , 3 ? , 2 ? , 1 ? ( a m 8 ? = h o ) h 1 ? ( a m 2 1 ? =4 . 2 i d d ) e d o m d p (t n e r r u c y l p p u s n w d r w p) 6 ? ( 0 = 2 l e s ; ) h 1 ? , 4 ? , 3 ? , 2 ? , 1 ? ( 0 = 1 l e s0 . 5 2 a i d d t n e r r u c y l p p u s , z h m 0 0 1 s t u p t u o d e d a o l n u v t a s t u p n i t c e l e s d d d n g r o 0 . 4 5 a m ) h 1 ? ( 0 . 0 7 ) h 1 ? ( t p e c x e , n i k l c , z h m 6 6 s t u p t u o d e d a o l n u0 . 9 3 ) h 1 ? ( t p e c x e , n i k l c , z h m 3 3 s t u p t u o d e d a o l n u0 . 0 2
5 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pi6c2408 zero delay clock buffer ps8589c 10/29/03 notes: 1. see switching waveforms on page 7. s r e t e m a r a pe m a ns n o i t i d n o c t s e t. n i m. p y t. x a ms t i n u f o y c n e u q e r f t u p t u o d a o l f p 0 3 0 . 0 1 0 0 1 z h m d a o l f p 5 10 4 1 t c d e l c y c y t u d ) 1 ( ) 6 ? , 4 ? , 3 ? , 2 ? , 1 ? ( v t a d e r u s a e m d d f , 2 / t u o d a o l f p 0 3 z h m 7 6 . 6 6 < 0 . 0 4 0 5 0 . 0 6 % v t a d e r u s a e m d d f , 2 / t u o d a o l f p 5 1 z h m 0 4 1 < v t a d e r u s a e m d d f , 2 / t u o d a o l f p 0 3 z h m 5 4 <0 . 5 4 0 . 5 5 e l c y c y t u d ) 1 ( ) h 1 ? ( v t a d e r u s a e m d d f , 2 / t u o d a o l f p 0 3 z h m 7 6 . 6 6 <0 . 5 4 v t a d e r u s a e m d d f , 2 / t u o d a o l f p 5 1 z h m 0 4 1 <0 . 0 40 . 0 6 v t a d e r u s a e m d d f , 2 / t u o d a o l f p 0 3 z h m 5 4 <0 . 5 40 . 5 5 t r e m i t e s i r ) 1 ( ) , 4 ? , 3 ? , 2 ? , 1 ? ( d a o l f p 0 3 , v 0 . 2 d n a v 8 . 0 n e e w t e b d e r u s a e m2 . 2 s n d a o l f p 5 1 , v 0 . 2 d n a v 8 . 0 n e e w t e b d e r u s a e m0 5 . 1 e m i t e s i r ) 1 ( ) h 1 ? (d a o l f p 0 3 , v 0 . 2 d n a v 8 . 0 n e e w t e b d e r u s a e m0 5 . 1 t f e m i t l l a f ) 1 ( ) , 4 ? , 3 ? , 2 ? , 1 ? ( d a o l f p 0 3 , v 0 . 2 d n a v 8 . 0 n e e w t e b d e r u s a e m0 5 . 2 d a o l f p 5 1 , v 0 . 2 d n a v 8 . 0 n e e w t e b d e r u s a e m0 5 . 1 e m i t l l a f ) 1 ( ) h 1 ? (d a o l f p 0 3 , v 0 . 2 d n a v 8 . 0 n e e w t e b d e r u s a e m5 2 . 1 t ) o ( k s n i h t i w w e k s t u p t u o o t t u p t u o ) 6 ? , 4 ? , 3 ? , 2 ? , 1 ? ( k n a b e m a s ) 1 ( d e d a o l y l l a u q e s t u p t u o l l a 0 0 2 s p w e k s b t u o o t a t u o ) 1 ( ) 4 ? , h 1 ? , 1 ? ( w e k s b t u o o t a t u o ) 1 ( ) 6 ? , 3 ? , 2 ? ( 0 0 4 t 0 e g d e g n i s i r n i k l c , y a l e d e g d e g n i s i r n i _ b f o t ) 1 ( v t a d e r u s a e m d d 2 / 00 5 1 t ) d ( k s w e k s e c i v e d - o t - e c i v e d ) 1 ( v t a d e r u s a e m d d s e c i v e d f o s n i p n i _ b f n o 2 /00 0 5 t w e l s e t a r w e l s t u p t u o ) 1 ( e c i v e d h 1 ? n o v 0 . 2 & v 8 . 0 n e e w t e b d e r u s a e m 2 # t r c t s e t g n i s u 1s n / v t t i j r e t t i j e l c y c - o t - e l c y c ) 1 ( ) 4 ? , h 1 ? , 1 ? ( d a o l f p 0 3 d e d a o l , z h m 7 6 . 6 6 t a d e r u s a e m0 0 2 s p d a o l f p 5 1 d e d a o l , z h m 0 4 1 t a d e r u s a e m0 0 1 r e t t i j e l c y c - o t - e l c y c ) 1 ( ) 6 ? , 3 ? , 2 ? ( d a o l f p 0 3 d e d a o l , z h m 7 6 . 6 6 t a d e r u s a e m0 0 4 t k c o l e m i t k c o l l l p ) 1 ( s k c o l c d i l a v , y l p p u s r e w o p e l b a t s s n i p n i _ b f d n a n i k l c n o d e t n e s e r p 0 . 1s m ac elecrical characteristics for industrial temperature devices
6 ps8589c 10/29/03 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pi6c2408 zero delay clock buffer notes: 1. see switching waveforms on page 7. s r e t e m a r a pe m a ns n o i t i d n o c t s e t. n i m. p y t. x a ms t i n u f o y c n e u q e r f t u p t u o d a o l f p 0 30 10 0 1 z h m d a o l f p 5 10 4 1 t c d e l c y c y t u d ) 1 ( ) h 1 ? (v t a d e r u s a e m d d t u p t u o e v i r d h g i h r o f , 2 /5 40 55 5 % e l c y c y t u d) 6 ? , 4 ? , 3 ? , 2 ? , 1 ? (v t a d e r u s a e m d d t u p t u o e v i r d l a m r o n r o f , 2 /0 40 50 6 t r e m i t e s i r ) 1 ( f p 0 3 @ v 0 . 2 d n a v 8 . 0 n e e w t e b d e r u s a e m 2 . 2 s n e m i t e s i r ) 1 ( f p 5 1 @ 5 . 1 e m i t e s i r ) 1 ( ) h 1 ? ( f p 0 3 @ 5 . 1 t f e m i t l l a f ) 1 ( f p 0 3 @ 2 . 2 e m i t l l a f ) 1 ( f p 5 1 @ 5 . 1 e m i t l l a f ) 1 ( ) h 1 ? ( f p 0 3 @ 5 2 . 1 t ) o ( k s w e k s t u p t u o o t t u p t u o ) 1 ( e m a s n i h t i w ) 6 ? , 4 ? , 3 ? , 2 ? , h 1 ? , 1 ? ( k n a b v , d e d a o l y l l a u q e s t u p t u o l l a d d 2 /0 0 2 s p w e k s b t u o o t a t u o ) 1 ( ) 4 ? , h 1 ? , 1 ? (v , d e d a o l y l l a u q e s t u p t u o l l a d d 2 /0 0 2 w e k s b t u o o t a t u o ) 1 ( ) 6 ? , 3 ? , 2 ? (v , d e d a o l y l l a u q e s t u p t u o l l a d d 2 /0 0 4 t 0 n i k l c , y a l e d t u p t u o o t t u p n i e g d e g n i s i r n i _ b f o t e g d e g n i s i r ) 1 ( v t a d e r u s a e m d d 2 /00 5 1 t ) d ( k s w e k s e c i v e d o t e c i v e d ) 1 ( v t a d e r u s a e m d d s e c i v e d f o s n i p n i _ b f n o 2 /00 0 5 t w e l s e t a r w e l s t u p t u o ) 1 ( h 1 ? n o v 0 . 2 d n a v 8 . 0 n e e w t e b d e r u s a e m 2 # t i u c r i c t s e t g n i s u e c i v e d 1s n / v t t i j r e t t i j e l c y c - o t - e l c y c ) 1 ( ) 4 ? , h 1 ? , 1 ? ( s t u p t u o f p 0 3 d e d a o l , z h m 7 6 . 6 6 t a d e r u s a e m0 0 2 s p s t u p t u o f p 5 1 d e d a o l , z h m 0 4 1 t a d e r u s a e m0 0 1 r e t t i j e l c y c - o t - e l c y c ) 1 ( ) 6 ? , 3 ? , 2 ? (s t u p t u o f p 0 3 d e d a o l , z h m 7 . 6 6 t a d e r u s a e m0 0 4 t k c o l e m i t k c o l l l p ) 1 ( s k c o l c d i l a v , y l p p u s r e w o p e l b a t s s n i p n i _ b f d n a n i k l c n o d e t n e s e r p 0 . 1s m ac electrial characteristics for commercial temperature device dc electrical characteristics for commercial temperature devices 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 m. x a ms t i n u v l i e g a t l o v w o l t u p n i ?? 8 . 0 v v h i e g a t l o v h g i h t u p n i ? 0 . 2 ? i l i t n e r r u c w o l t u p n iv n i =v 0 ? 0 5 a i h i t n e r r u c h g i h t u p n iv n i =v d d ? 0 0 1 v l o e g a t l o v w o l t u p t u oi l o i ; ) 6 ? , 4 ? , 3 ? , 2 ? , 1 ? ( a m 8 = l o ) h 1 ? ( a m 2 1 = ? 4 . 0 v v h o e g a t l o v h g i h t u p t u oi h o i ; ) 6 ? , 4 ? , 3 ? , 2 ? , 1 ? ( a m 8 ? = h o ) h 1 ? ( a m 2 1 ? =4 . 2 ? i d d ) e d o m d p (t n e r r u c y l p p u s n w o d r e w o p) 6 - ( 0 = 2 l e s ; ) h 1 - , 4 - , 3 - , 2 - , 1 - ( 0 = 1 l e s ? 2 1 a i d d t n e r r u c y l p p u sv t a s t u p n i t c e l e s , z h m 7 6 . 6 6 , s t u p t u o d e d a o l n u d d d n g r o ? 9 3 a m i d d t n e r r u c y l p p u sv @ s t u p n i t c e l e s z h m 0 0 1 s t u p t u o d e d a o l n u d d d n g r o ? 4 5
7 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pi6c2408 zero delay clock buffer ps8589c 10/29/03 switching waveforms t low t high v dd /2 v dd /2 v dd /2 t f t r 0.8v 2.0v 0.8v 2.0v output 0v 3.3v v dd /2 v dd /2 v dd /2 v dd /2 v dd /2 v dd /2 t sk(o) output output t 0 input fb_in t sk(d) output device 1 output device 2 duty cycle timing all outputs rise/fall time output-output skew input-output propagation delay device-device skew t dc = t high t low t high + v dd c load v dd gnd gnd clk out outputs test circuit 1 test circuit 2 0.1f 0.1f test circuit for all parameters except t slew v dd 10pf v dd gnd gnd clk out outputs 0.1f 0.1f test circuit for t slew , output slew rate on ?1h device 1k ? 1k ?
8 ps8589c 10/29/03 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pi6c2408 zero delay clock buffer 16-pin soic (w) package note: controlling dimensions in millimeters. ref: jedec ms - 012 ac 16-pin tssop (l) package seating plane .050 bsc 1 16 0-8? .149 .157 x.xx x.xx denotes dimensions in millimeters 3.78 3.99 .386 .393 9.80 10.00 1.27 .053 .068 1.35 1.75 .2284 .2440 5.80 6.20 .0040 .0098 0.10 0.25 .013 .020 .0155 .0260 0.330 0.508 0.393 0.660 .0075 .0098 0.25 0.50 .0099 .0196 x 45? 0.19 0.25 .016 .050 0.41 1.27 ref .193 .201 .047 max. .002 .006 seating plane .0256 bsc .018 .030 .004 .008 .252 bsc 1 16 .169 .177 x.xx x.xx denotes controlling dimensions in millimeters 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
9 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pi6c2408 zero delay clock buffer ps8589c 10/29/03 pericom semiconductor corporation ? 1-800-435-2336 ? http://www.pericom.com ordering information (commercial temperature device) e d o c g n i r e d r oe g a k c a p e d o c e p y t e g a k c a pe g n a r g n i t a r e p o i w 1 - 8 0 4 2 c 6 i p 6 1 wc i o s l i m - 0 5 1 n i p - 6 1 l a i r t s u d n i i w h 1 - 8 0 4 2 c 6 i p i w 2 - 8 0 4 2 c 6 i p i w 4 - 8 0 4 2 c 6 i p i w 6 - 8 0 4 2 c 6 i p i l 1 - 8 0 4 2 c 6 i p 6 1 l p o s s t l i m - 3 7 1 n i p - 6 1 - 8 0 4 2 c 6 i p 6 i l - 8 0 4 2 c 6 i p e l 1 , n e e r g d n a e e r f - b p n i p - 6 1 p o s s t l i m - 3 7 1 1 - 8 0 4 2 c 6 i p e l h ordering information (industrial temperature device) notes: 1. thermal characteristics can be found on the company web site at http://www.pericom.com/packaging/ e d o c g n i r e d r oe g a k c a p e d o c e p y t e g a k c a pe g n a r g n i t a r e p o - 8 0 4 2 c 6 i p w 1 6 1 w c i o s l i m - 0 5 1 n i p - 6 1 l a i c r e m o c w h 1 - 8 0 4 2 c 6 i p w 2 - 8 0 4 2 c 6 i p - 8 0 4 2 c 6 i p 3 w w 4 - 8 0 4 2 c 6 i p w 6 - 8 0 4 2 c 6 i p e w 1 - 8 0 4 2 c 6 i p n i p - 6 1 m e e r g d n a e e r f - b p c i o s l i m - 0 5 1 e w h 1 - 8 0 4 2 c 6 i p l 1 - 8 0 4 2 c 6 i p 6 1 lp o s s t l i m - 3 7 1 n i p - 6 1 - 8 0 4 2 c 6 i p l h 1 - 8 0 4 2 c 6 i p l 3 4 2 c 6 i p l 4 - 8 0
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