1 ps8544c 07/19/05 clk_in av cc v cc 2y0 2y1 gnd gnd 2y2 2y3 v cc 2g fb_in agnd v cc 1y0 1y1 1y2 gnd gnd 1y3 1y4 v cc 1g fb_out 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 product pin configuration logic block diagram 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 62509133 9 the pi6c2509-133 is a ?quiet,? low-skew, low-jitter, phase-locked loop (pll) clock driver, distributing low-noise clock signals for sdram and server applications. by connecting the feedback fb_out output to the feedback fb_in input, the propagation delay from the clk_in input to any clock output will be nearly zero. this zero-delay feature allows the clk_in input clock to be distributed, providing 5 clocks for the first bank, and an additional 4 clocks for the second bank. this clock driver is designed to meet the pc133 sdram registered dimm specification. for test purposes, the pll can be bypassed by strapping av cc to ground. features ? operating frequency up to 150 mhz ? low-noise phase-locked loop clock distribution to meet 133 mhz registered dimm synchronous dram module specifications for server/workstation/pc applications ? allows clock input to have spread spectrum modulation for emi reduction ? zero input-to-output delay: distribute one clock input to one bank of five and one bank of four outputs, with separate output enables ? low jitter: cycle-to-cycle jitter 75ps max. ? 30-ohm on-chip series damping resistor at clock output drivers for low noise and emi reduction ? operates at 3.3v v cc ? package (pb-free and green available): - 24-pin tssop (l) 24-pin l 1g 5 2g clk_in fb_in pll av cc fb_out 2y[0:3] 1y[0:4] 4
pi6c2509-133 low-noise, phase-locked loop clock driver with 9 clock outputs 2 ps8544c 07/19/05 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 e m a n n i p. o n n i pe p y tn o i t p i r c s e d n i _ k l c4 2i . t u p n i k c o l cn i _ k l c. m u r t c e p s d a e r p s s w o l l a n i _ b f3 1i . t u p n i k c a b d e e fn i _ b f. l l p l a n r e t n i e h t o t l a n g i s k c a b d e e f e h t s e d i v o r p g 11 1i o t d e l b a s i d e r a ] 4 : 0 [ y 1 s t u p t u o , w o l s i g 1 n e h w . e l b a n e k n a b t u p t u o . d e l b a n e e r a ] 4 : 0 [ y 1 s t u p t u o l l a , h g i h s i g 1 n e h w . e t a t s w o l c i g o l a g 24 1i o t d e l b a s i d e r a ] 3 : 0 [ y 2 s t u p t u o , w o l s i g 2 n e h w . e l b a n e k n a b t u p t u o . d e l b a n e e r a ] 3 : 0 [ y 2 s t u p t u o l l a , h g i h s i g 2 n e h w . e t a t s w o l c i g o l a t u o _ b f2 1o . t u p t u o k c a b d e e ft u o _ b f. k c a b d e e f l a n r e t x e r o f d e t a c i d e d s it u o _ b fn a s a h . x y 2 , x y 1 s t u p t u o k c o l c e h t s a e u l a v e m a s e h t f o r o t s i s e r g n i p m a d - s e i r e s d e d d e b m e ] 4 : 0 [ y 19 , 8 , 5 , 4 , 3o . n i _ k l c f o s e i p o c w e k s - w o l e d i v o r p s t u p t u o e s e h t . s t u p t u o k c o l c . r o t s i s e r g n i p m a d - s e i r e s d e d d e b m e n a s a h t u p t u o h c a e ] 0 : 3 [ y 2 , 7 1 , 6 1 1 2 , 0 2 o o s e i p o c w e k s - w o l e d i v o r p s t u p t u o e s e h t . s t u p t u o k c o l cf. n i _ k l c . r o t s i s e r g n i p m a d - s e i r e s d e d d e b m e n a s a h t u p t u o h c a e v a c c 3 2r e w o p v a . y l p p u s r e w o p g o l a n a c c r o f l l p e h t s s a p y b o t d e s u o s l a e b n a c v a n e h w . s e s o p r u p t s e t c c n a d e s s a p y b s i l l p , d n u o r g o t d e p p a r t s s id. n i _ k l c . s t u p t u o e c i v e d e h t o t y l t c e r i d d e r e f f u b s i d n g a1d n u o r g . y r t i u c r i c g o l a n a e h t r o f e c n e r e f e r d n u o r g e h t s e d i v o r p d n g a . d n u o r g g o l a n a v c c 2 2 , 5 1 , 0 1 , 2r e w o p. y l p p u s r e w o p d n g9 1 , 8 1 , 7 , 6d n u o r g. d n u o r g pin functions functional table l o r t n o c t u p n is t u p t u o x ) 1 ( gx ) 1 ( ] 3 : 0 [ yt u o _ b f ll n i _ k l c hn i _ k l cn i _ k l c note: 1. x is either 1 or 2
pi6c2509-133 low-noise, phase-locked loop clock driver with 9 clock outputs 3 ps8544c 07/19/05 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 l o b m y sr e t e m a r a p. n i m. x a ms t i n u v i e g n a r e g a t l o v t u p n i ?5 . 0 v c c 5 . 0 + v v o e g n a r e g a t l o v t u p t u o v i c d _e g a t l o v t u p n i c d 0 . 5 + i o c d _t n e r r u c t u p t u o c d 0 0 1a m r e w o pt t a n o i t a p i s s i d r e w o p m u m i x a m a 5 5 = r i a l l i t s n i c0 . 1w t g t s e r u t a r e p m e t e g a r o t s5 6 ?0 5 1c dc specifications (absolute maximum ratings over operating free-air temperature range) r e t e m a r a ps n o i t i d n o c t s e tv c c . n i m. p y t. x a ms t i n u i c c v i v = c c i ; d n g r o o 0 = ) 1 ( v 6 . 30 1 a c i v i v = c c d n g r o v 3 . 3 4 f p c o v o v = c c d n g r o6 note: stress beyond those listed under ?absolute maximum ratings? may cause permanent damage to the device. recommended operating conditions l o b m y sr e t e m a r a p. n i m. x a ms t i n u v c c ) l a i c r e m m o c ( e g a t l o v y l p p u s0 . 36 . 3 v ) l a i r t s u d n i ( e g a t l o v y l p p u s5 3 1 . 35 6 4 . 3 v h i e g a t l o v t u p n i l e v e l h g i h0 . 2 v l i e g a t l o v t u p n i l e v e l w o l8 . 0 v i e g a t l o v t u p n i0 . 0v c c t a ) l a i c r e m m o c ( 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 o00 7 c o ) l a i r t s u d n i ( 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 8 l o b m y sr e t e m a r a pn o i t i d n o c. n i m. x a ms t i n u i h o t n e r r u c p u - l l u pv t u o v 4 . 2 =6 . 3 1 ? a m t n e r r u c p u - l l u pv t u o v 0 . 2 =2 2 ? i l o t n e r r u c n w o d - l l u pv t u o v 8 . 0 =9 1 t n e r r u c n w o d - l l u pv t u o v 5 5 . 0 =3 1 note: 1. continuous output current electrical characteristics (over recommended operating free-air temperature range) pull up/down currents: v cc = 3.0v (v cc = 3.135v)
pi6c2509-133 low-noise, phase-locked loop clock driver with 9 clock outputs 4 ps8544c 07/19/05 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 ac specifications l o b m y sr e t e m a r a p. n i m. x a ms t i n u f k l c ) l a i c r e m m o c ( y c n e u q e r f k c o l c t u p n i5 20 5 1 z h m ) l a i r t s u d n i ( y c n e u q e r f k c o l c t u p n i5 25 2 1 e l c y c y t u d k c o l c t u p n i0 40 6% p u r e w o p r e t f a e m i t n o i t a z i l i b a t s1s m (timing requirements over recommended ranges of supply voltage and operating free-air temperature.) r e t e m a r a ps 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 t e p r o r r e e s a h p ,z h m 3 3 1 = f , n i _ b f o t n i _ k l c0 5 1 ?0 5 1 s p t j ) e l c y c - o t - e l c y c ( r e t t i j ,z h m 3 3 1 = f5 7 ?5 7 t k s w e k s t u p t u o ,t u o _ b f r o n y o t t u o _ b f r o n y0 5 1 t c d e l c y c y t u d ,v , z h m 3 3 1 = f c c 2 /5 40 55 5% t r e m i t e s i r ,v o v 2 o t v 4 . 0 =0 . 1 s n t f e m i t l l a f ,v o v 4 . 0 o t v 2 =1 . 1 switching characteristics (over recommended ranges of supply voltage and commercial temperature, v cc =3.3v 0.3v, t a = 0~70c, c l = 15pf) note: these switching parameters are guaranteed, but not production tested. switching characteristics (over recommended ranges of supply voltage and industrial temperature, v cc =3.3v 0.165v, t a = ?40~85c, c l = 15pf) r e t e m a r a ps 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 t e p r o r r e e s a h p ,z h m 5 2 1 = f , n i _ b f o t n i _ k l c0 5 1 ?0 5 1 s p t j ) e l c y c - o t - e l c y c ( r e t t i j ,z h m 5 2 1 = f5 7 ?5 7 t k s w e k s t u p t u o ,t u o _ b f r o n y o t t u o _ b f r o n y0 5 1 t c d e l c y c y t u d ,v , z h m 5 2 1 = f c c 2 /5 40 55 5% t r e m i t e s i r ,v o v 2 o t v 4 . 0 =0 . 1 s n t f e m i t l l a f ,v o v 4 . 0 o t v 2 =1 . 1
pi6c2509-133 low-noise, phase-locked loop clock driver with 9 clock outputs 5 ps8544c 07/19/05 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pericom semiconductor corporation ? 1-800-435-2336 ? http://www.pericom.com .303 .311 .047 1.20 .002 .006 seating plane .0256 bsc .018 .030 .004 .008 .252 bsc 1 24 .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 7.7 7.9 0.65 0.19 0.30 .007 .012 max packaging mechanical: 24-pin plastic thin shrink small-outline (l) e d o c g n i r e d r oe d o c g n i g a k c a ps e p y t e g a k c a p l 3 3 1 - 9 0 5 2 c 6 i pl p o s s t l i m 3 7 1 , n i p - 4 2 e l 3 3 1 - 9 0 5 2 c 6 i pl p o s s t l i m 3 7 1 , n i p - 4 2 , n e e r g d n a e e r f - b p ordering information notes: 1. thermal characteristics can be found on the company web site at http://www.pericom.com/packaging/
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