ics8343-01 l ow s kew , 1- to -16 lvcmos / lvttl f anout b uffer 8343ay-01 www.icst.com/products/hiperclocks.html rev. b september 16, 2004 1 integrated circuit systems, inc. g eneral d escription the ics8343-01 is a low skew, 1-to-16 lvcmos/ lvttl fanout buffer and a member of the hipercloc ks? f amily of high performance clock solutions from ics. the ics8343-01 single ended clock input accepts lvcmos or lvttl input levels. the ics8343-01 operates at 3.3v, 2.5v and mixed 3.3v input and 2.5v supply modes over the commercial temperature range. guaranteed output and part-to-part skew characteristics make the ics8343-01 ideal for those clock distribution applications demanding well defined performance and repeatability. b lock d iagram p in a ssignment f eatures 16 lvcmos/lvttl outputs 1 lvcmos/lvttl clock input clk can accept the following input levels: lvcmos, lvttl maximum output frequency: 200mhz dual output enable inputs facilitates 1-to-16 or 1-to-8 input to output modes all inputs are 5v tolerant output skew: 250ps (maximum) part-to-part skew: 700ps (maximum) full 3.3v and 2.5v or mixed 3.3v core/2.5v operating supply 0c to 70c ambient operating temperature lead-free package available industrial temperature information available upon request 32 31 30 29 28 27 26 25 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 v dd 2 v dd 2 v dd 2 q12 q11 gnd gnd gnd v dd 1 v dd 1 v dd 1 q3 q4 gnd gnd gnd q10 q9 q8 v dd clk q7 q6 q5 q13 q14 q15 oe2 oe1 q0 q1 q2 ics8343-01 32-lead lqfp 7mm x 7mm x 1.4mm body package y package (top view) hiperclocks? ics clk oe2 q15 q14 q13 q12 q11 q10 q9 q8 oe1 q0 q1 q2 q3 q4 q5 q6 q7 vdd1 vdd2 vdd gnd q15 q14 q13 q12 q11 q10 q9 q8 q0 q1 q2 q3 q4 q5 q6 q7 oe1 gnd oe2 v dd1 v dd v dd2 clk
8343ay-01 www.icst.com/products/hiperclocks.html rev. b september 16, 2004 2 ics8343-01 l ow s kew , 1- to -16 lvcmos / lvttl f anout b uffer integrated circuit systems, inc. t able 1. p in d escriptions t able 2. p in c haracteristics t able 3. f unction t able r e b m u ne m a ne p y t n o i t p i r c s e d 3 , 2 , 1v 1 d d r e w o p. s n i p y l p p u s t u p t u o 7 q u r h t 0 q 5 , 44 q , 3 qt u p t u o7 . s t u p t u o k c o l c l t t v l / s o m c v l ? . e c n a d e p m i t u p t u o l a c i p y t , 8 , 7 , 6 9 1 , 8 1 , 7 1 d n gr e w o p. d n u o r g y l p p u s r e w o p 1 1 , 0 1 , 97 q , 6 q , 5 qt u p t u o7 . s t u p t u o k c o l c l t t v l / s o m c v l ? . e c n a d e p m i t u p t u o l a c i p y t 2 1k l ct u p n in w o d l l u p. t n a r e l o t v 5 / t u p n i k c o l c l t t v l / s o m c v l 3 1v d d r e w o p. n i p y l p p u s e r o c 6 1 , 5 1 , 4 10 1 q , 9 q , 8 qt u p t u o7 . s t u p t u o k c o l c l t t v l / s o m c v l ? . e c n a d e p m i t u p t u o l a c i p y t 1 2 , 0 22 1 q , 1 1 qt u p t u o7 . s t u p t u o k c o l c l t t v l / s o m c v l ? . e c n a d e p m i t u p t u o l a c i p y t 4 2 , 3 2 , 2 2v 2 d d r e w o p. s n i p y l p p u s t u p t u o 5 1 q u r h t 8 q 7 2 , 6 2 , 5 25 1 q , 4 1 q , 3 1 qt u p t u o7 . s t u p t u o k c o l c l t t v l / s o m c v l ? . e c n a d e p m i t u p t u o l a c i p y t 8 22 e ot u p n ip u l l u p . e t a t s z i h o t 5 1 q u r h t 8 q s t u p t u o s e c r o f w o l n e h w . e l b a n e t u p t u o . s l e v e l e c a f r e t n i l t t v l / s o m c v l . t n a r e l o t v 5 9 21 e ot u p n ip u l l u p . e t a t s z i h o t 7 q u r h t 0 q s t u p t u o s e c r o f w o l n e h w . e l b a n e t u p t u o . s l e v e l e c a f r e t n i l t t v l / s o m c v l . t n a r e l o t v 5 2 3 , 1 3 , 0 32 q , 1 q , 0 qt u p t u o7 . s t u p t u o k c o l c l t t v l / s o m c v l ? . e c n a d e p m i t u p t u o l a c i p y t : e t o n p u l l u p d n a n w o d l l u p . s e u l a v l a c i p y t r o f , s c i t s i r e t c a r a h c n i p , 2 e l b a t e e s . s r o t s i s e r t u p n i l a n r e t n i o t r e f e r s t u p n is t u p t u o 1 e o2 e o7 q : 0 q5 1 q : 8 q 00 z i hz i h 10 e v i t c az i h 01 z i he v i t c a 11 e v i t c ae v i t c a . t n a r e l o t v 5 e r a 2 e o d n a 1 e o : e t o n l o b m y sr e t e m a r a ps n o i t i d n o c t s e tm u m i n i ml a c i p y tm u m i 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 i 4f p c d p e c n a t i c a p a c n o i t a p i s s i d r e w o p ) t u p t u o r e p ( v d d v , 1 d d v , 2 d d v 5 6 4 . 3 =1 1f p v 1 d d v , 2 d d v 3 6 . 2 =9f p r p u l l u p r o t s i s e r p u l l u p t u p n i 1 5k ? r n w o d l l u p r o t s i s e r n w o d l l u p t u p n i 1 5k ? r t u o e c n a d e p m i t u p t u ov d d v , 1 d d v , 2 d d v 3 . 3 =572 1 ?
ics8343-01 l ow s kew , 1- to -16 lvcmos / lvttl f anout b uffer 8343ay-01 www.icst.com/products/hiperclocks.html rev. b september 16, 2004 3 integrated circuit systems, inc. t able 4a. p ower s upply dc c haracteristics , v dd = 3.3v5%, v dd1 = v dd2 = 3.3v5% or 2.5v5%, t a = 0 to 70c l o b m y sr e t e m a r a ps n o i t i d n o c t s e tm u m i n i ml a c i p y tm u m i x a ms t i n u v d d e g a t l o v y l p p u s e r o c 5 3 1 . 33 . 35 6 4 . 3v v x d d 1 e t o n ; e g a t l o v y l p p u s t u p t u o 5 3 1 . 33 . 35 6 4 . 3v 5 7 3 . 25 . 25 2 6 . 2v i d d t n e r r u c y l p p u s r e w o p 5 3a m i x d d 2 e t o n ; t n e r r u c y l p p u s t u p t u o 4 1a m v : 1 e t o n x d d v s e t o n e d 1 d d v d n a 2 d d . i : 2 e t o n x d d i f o m u s e h t s e t o n e d 1 d d i d n a 2 d d . a bsolute m aximum r atings supply voltage, v dd 4.6v inputs, v i -0.5v to v dd + 0.5 v outputs, v o -0.5v to v ddx + 0.5v package thermal impedance, ja 47.9c/w (0 lfpm) storage temperature, t stg -65c to 150c note: stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these ratings are stress specifications only. functional operation of product at these conditions or any conditions be- yond those listed in the dc characteristics or ac character- istics is not implied. exposure to absolute maximum rating conditions for extended periods may affect product reliability. t able 4b. p ower s upply dc c haracteristics , v dd = v dd1 = v dd2 = 2.5v5%, t a = 0 to 70c l o b m y sr e t e m a r a ps n o i t i d n o c t s e tm u m i n i ml a c i p y tm u m i x a ms t i n u v d d e g a t l o v y l p p u s e r o c 5 7 3 . 25 . 25 2 6 . 2v v x d d 1 e t o n ; e g a t l o v y l p p u s t u p t u o 5 7 3 . 25 . 25 2 6 . 2v i d d t n e r r u c y l p p u s r e w o p 4 3a m i x d d 2 e t o n ; t n e r r u c y l p p u s t u p t u o 3 1a m v : 1 e t o n x d d v s e t o n e d 1 d d v d n a 2 d d . i : 2 e t o n x d d i f o m u s e h t s e t o n e d 1 d d i d n a 2 d d .
8343ay-01 www.icst.com/products/hiperclocks.html rev. b september 16, 2004 4 ics8343-01 l ow s kew , 1- to -16 lvcmos / lvttl f anout b uffer integrated circuit systems, inc. t able 5a. ac c haracteristics , v dd = v dd1 = v dd2 = 3.3v5%, t a = 0 to 70c l o b m y sr e t e m a r a ps n o i t i d n o c t s e tm u m i n i ml a c i p y tm u m i x a ms t i n u f x a m y c n e u q e r f t u p t u o 0 0 2z h m t h l p ; y a l e d n o i t a g a p o r p 1 e t o n ? z h m 0 0 20 . 20 . 4s n t ) o ( k s4 , 2 e t o n ; w e k s t u p t u ov @ e g d e g n i s i r n o d e r u s a e m x d d 2 /0 5 2s p t ) p p ( k s ; w e k s t r a p - o t - t r a p 4 , 3 e t o n v @ e g d e g n i s i r n o d e r u s a e m x d d 2 /0 0 7s p t r t / f e m i t l l a f / e s i r t u p t u o% 0 8 o t % 0 24 . 05 . 1s n c d oe l c y c y t u d t u p t u o? z h m 3 3 15 45 5% t w p h t d i w e s l u p t u p t u oz h m 3 3 1 > ?t d o i r e p 5 2 . 0 - 2 /t d o i r e p 2 /t d o i r e p 5 2 . 0 + 2 /s n t a d e r u s a e m s r e t e m a r a p l l af x a m . e s i w r e h t o d e t o n s s e l n u v m o r f d e r u s a e m : 1 e t o n d d o t t u p n i e h t f o 2 /v x d d . t u p t u o e h t f o 2 / v t a d e r u s a e m . s n o i t i d n o c d a o l l a u q e h t i w d n a e g a t l o v y l p p u s e m a s e h t t a s t u p t u o n e e w t e b w e k s s a d e n i f e d : 2 e t o n x d d . 2 / d a o l l a u q e h t i w d n a s e g a t l o v y l p p u s e m a s e h t t a g n i t a r e p o s e c i v e d t n e r e f f i d n o s t u p t u o n e e w t e b w e k s s a d e n i f e d : 3 e t o n v t a d e r u s a e m e r a s t u p t u o e h t , e c i v e d h c a e n o s t u p n i f o e p y t e m a s e h t g n i s u . s n o i t i d n o c x d d . 2 / . 5 6 d r a d n a t s c e d e j h t i w e c n a d r o c c a n i d e n i f e d s i r e t e m a r a p s i h t : 4 e t o n t able 4c. lvcmos / lvttl dc c haracteristics , v dd = v dd1 = v dd2 = 3.3v5% or 2.5v5%; v dd = 3.3v5%, v dd1 = v dd2 = 2.5v5%, t a = 0 to 70c l o b m y sr e t e m a r a ps n o i t i d n o c t s e tm u m i n i ml a c i p y tm u m i 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 i 2 e o , 1 e o2v d d 3 . 0 +v k l c2v d d 3 . 0 +v v l i t u p n ie g a t l o v w o l 2 e o , 1 e o3 . 0 -8 . 0v k l c3 . 0 -3 . 1v i h i t n e r r u c h g i h t u p n i 2 e o , 1 e ov d d v = n i v 5 2 6 . 2 r o v 5 6 4 . 3 =5a k l cv d d v = n i v 5 2 6 . 2 r o v 5 6 4 . 3 =0 5 1a i l i t n e r r u c w o l t u p n i 2 e o , 1 e o v d d , v 5 2 6 . 2 r o v 5 6 4 . 3 = v n i v 0 = 0 5 1 -a k l c v d d , v 5 2 6 . 2 r o v 5 6 4 . 3 = v n i v 0 = 5 -a v h o 1 e t o n ; e g a t l o v h g i h t u p t u o v 1 d d v = 2 d d v 5 6 4 . 3 =6 . 2v v 1 d d v = 2 d d v 5 2 6 . 2 =8 . 1v v l o 1 e t o n ; e g a t l o v w o l t u p t u ov 1 d d v = 2 d d v 5 2 6 . 2 r o v 5 6 4 . 3 =5 . 0v i l z o w o l t n e r r u c e t a t s i r t t u p t u o 5a i h z o h g i h t n e r r u c e t a t s i r t t u p t u o 5a 0 5 h t i w d e t a n i m r e t s t u p t u o : 1 e t o n ? v o t x d d , n o i t a m r o f n i t n e m e r u s a e m r e t e m a r a p e e s . 2 / . " s m a r g a i d t i u c r i c t s e t d a o l t u p t u o "
ics8343-01 l ow s kew , 1- to -16 lvcmos / lvttl f anout b uffer 8343ay-01 www.icst.com/products/hiperclocks.html rev. b september 16, 2004 5 integrated circuit systems, inc. t able 5b. ac c haracteristics , v dd = 3.3v5%, v dd1 = v dd2 = 2.5v5%, t a = 0 to 70c l o b m y sr e t e m a r a ps n o i t i d n o c t s e tm u m i n i ml a c i p y tm u m i x a ms t i n u f x a m y c n e u q e r f t u p t u o 0 0 2z h m t h l p 1 e t o n ; y a l e d n o i t a g a p o r p? z h m 0 0 20 . 25 . 4s n t ) o ( k s4 , 2 e t o n ; w e k s t u p t u ov @ e g d e g n i s i r n o d e r u s a e m x d d 2 /0 5 2s p t ) p p ( k s4 , 3 e t o n ; w e k s t r a p - o t - t r a pv @ e g d e g n i s i r n o d e r u s a e m x d d 2 /0 0 7s p t r t / f e m i t l l a f / e s i r t u p t u o% 0 8 o t % 0 24 . 00 . 1s n c d oe l c y c y t u d t u p t u o? z h m 3 3 10 40 6% t a d e r u s a e m s r e t e m a r a p l l af x a m . e s i w r e h t o d e t o n s s e l n u v m o r f d e r u s a e m : 1 e t o n d d o t t u p n i e h t f o 2 /v x d d . t u p t u o e h t f o 2 / v t a d e r u s a e m . s n o i t i d n o c d a o l l a u q e h t i w d n a e g a t l o v y l p p u s e m a s e h t t a s t u p t u o n e e w t e b w e k s s a d e n i f e d : 2 e t o n x d d . 2 / d a o l l a u q e h t i w d n a s e g a t l o v y l p p u s e m a s e h t t a g n i t a r e p o s e c i v e d t n e r e f f i d n o s t u p t u o n e e w t e b w e k s s a d e n i f e d : 3 e t o n v t a d e r u s a e m e r a s t u p t u o e h t , e c i v e d h c a e n o s t u p n i f o e p y t e m a s e h t g n i s u . s n o i t i d n o c x d d . 2 / . 5 6 d r a d n a t s c e d e j h t i w e c n a d r o c c a n i d e n i f e d s i r e t e m a r a p s i h t : 4 e t o n t able 5d. ac c haracteristics , v dd = v dd1 = v dd2 = 2.5v5%, t a = 0 to 70c l o b m y sr e t e m a r a ps n o i t i d n o c t s e tm u m i n i ml a c i p y tm u m i x a ms t i n u f x a m y c n e u q e r f t u p t u o 3 3 1z h m t h l p 1 e t o n ; y a l e d n o i t a g a p o r p? z h m 0 0 20 . 20 . 4s n t ) o ( k s4 , 2 e t o n ; w e k s t u p t u ov @ e g d e g n i s i r n o d e r u s a e m x d d 2 /0 5 2s p t ) p p ( k s4 , 3 e t o n ; w e k s t r a p - o t - t r a pv @ e g d e g n i s i r n o d e r u s a e m x d d 2 /1s n t r t / f e m i t l l a f / e s i r t u p t u o% 0 8 o t % 0 24 . 00 . 1s n c d oe l c y c y t u d t u p t u o? z h m 3 3 10 40 6% t a d e r u s a e m s r e t e m a r a p l l af x a m . e s i w r e h t o d e t o n s s e l n u v m o r f d e r u s a e m : 1 e t o n d d o t t u p n i e h t f o 2 /v x d d . t u p t u o e h t f o 2 / v t a d e r u s a e m . s n o i t i d n o c d a o l l a u q e h t i w d n a e g a t l o v y l p p u s e m a s e h t t a s t u p t u o n e e w t e b w e k s s a d e n i f e d : 2 e t o n x d d . 2 / d a o l l a u q e h t i w d n a s e g a t l o v y l p p u s e m a s e h t t a g n i t a r e p o s e c i v e d t n e r e f f i d n o s t u p t u o n e e w t e b w e k s s a d e n i f e d : 3 e t o n v t a d e r u s a e m e r a s t u p t u o e h t , e c i v e d h c a e n o s t u p n i f o e p y t e m a s e h t g n i s u . s n o i t i d n o c x d d . 2 / . 5 6 d r a d n a t s c e d e j h t i w e c n a d r o c c a n i d e n i f e d s i r e t e m a r a p s i h t : 4 e t o n l o b m y sr e t e m a r a ps n o i t i d n o c t s e tm u m i n i ml a c i p y tm u m i x a ms t i n u f x a m y c n e u q e r f t u p t u o 0 0 2z h m t ) o ( k s1 e t o n ; w e k s t u p t u o e g d e g n i s i r n o d e r u s a e m v @ x d d 2 / 0 5 2s p f t a d e r u s a e m s r e t e m a r a p l l a x a m . e s i w r e h t o d e t o n s s e l n u . s n o i t i d n o c d a o l l a u q e h t i w d n a , k n a b a n i h t i w s e g a t l o v y l p p u s e m a s e h t t a s t u p t u o s s o r c a w e k s s a d e n i f e d : 1 e t o n t able 5c. ac c haracteristics , v dd = v dd2 = 3.3v5%, v dd1 = 2.5v5%, t a = 0 to 70c
8343ay-01 www.icst.com/products/hiperclocks.html rev. b september 16, 2004 6 ics8343-01 l ow s kew , 1- to -16 lvcmos / lvttl f anout b uffer integrated circuit systems, inc. p ropagation d elay o utput d uty c ycle /p ulse w idth /p eriod t pd v ddx 2 v ddx 2 clk q0:q15 pulse width t period t pw t period odc = v ddx 2 q0:q15 p arameter m easurement i nformation scope qx lvcmos 2.05v5% -1.25v5% v dd 1.25v5% scope qx lvcmos 1.65v5% -1.65v5% scope qx lvcmos 1.25v5% -1.25v5% o utput s kew p art - to -p art s kew o utput r ise /f all t ime 3.3v c ore /2.5v o utput l oad ac t est c ircuit 2.5v c ore / 2.5v o utput l oad ac t est c ircuit 3.3v c ore / 3.3v o utput l oad ac t est c ircuit t sk(o) v ddx 2 v ddx 2 qy qx t sk(pp) v ddx 2 v ddx 2 qy qx part 1 part 2 clock outputs 20% 80% 80% 20% t r t f v dd , v dd1 , v dd2 gnd v dd1 , v dd2 gnd v dd , v dd1 , v dd2 gnd
ics8343-01 l ow s kew , 1- to -16 lvcmos / lvttl f anout b uffer 8343ay-01 www.icst.com/products/hiperclocks.html rev. b september 16, 2004 7 integrated circuit systems, inc. r eliability i nformation t ransistor c ount the transistor count for ics8343-01 is: 985 t able 6. ja vs . a ir f low t able for 32 l ead lqfp ja by velocity (linear feet per minute) 0 200 500 single-layer pcb, jedec standard test boards 67.8c/w 55.9c/w 50.1c/w multi-layer pcb, jedec standard test boards 47.9c/w 42.1c/w 39.4c/w note: most modern pcb designs use multi-layered boards. the data in the second row pertains to most designs.
8343ay-01 www.icst.com/products/hiperclocks.html rev. b september 16, 2004 8 ics8343-01 l ow s kew , 1- to -16 lvcmos / lvttl f anout b uffer integrated circuit systems, inc. p ackage o utline - y s uffix for 32 l ead lqfp t able 7. p ackage d imensions reference document: jedec publication 95, ms-026 n o i t a i r a v c e d e j s r e t e m i l l i m n i s n o i s n e m i d l l a l o b m y s a b b m u m i n i ml a n i m o nm u m i x a m n 2 3 a - -- -0 6 . 1 1 a 5 0 . 0- -5 1 . 0 2 a 5 3 . 10 4 . 15 4 . 1 b 0 3 . 07 3 . 05 4 . 0 c 9 0 . 0- -0 2 . 0 d c i s a b 0 0 . 9 1 d c i s a b 0 0 . 7 2 d . f e r 0 6 . 5 e c i s a b 0 0 . 9 1 e c i s a b 0 0 . 7 2 e . f e r 0 6 . 5 e c i s a b 0 8 . 0 l 5 4 . 00 6 . 05 7 . 0 0 - - 7 c c c - -- -0 1 . 0
ics8343-01 l ow s kew , 1- to -16 lvcmos / lvttl f anout b uffer 8343ay-01 www.icst.com/products/hiperclocks.html rev. b september 16, 2004 9 integrated circuit systems, inc. while the information presented herein has been checked for both accuracy and reliability, integrated circuit systems, incorpor ated (ics) assumes no responsibility for either its use or for infringement of any patents or other rights of third parties, which would result from its use. no other circuits, patents, or licenses are implied. this product is intended for use in normal commercial applications. any other applications such as those requiring extended temperature range, high reliability, or other extraordinary environmental requirements are not recommended without additional processing by ics. ics reserves the right to change any circuitry or specifications without noti ce. ics does not authorize or warrant any ics product for use in life support devices or critical medical instruments. t able 8. o rdering i nformation r e b m u n r e d r o / t r a pg n i k r a me g a k c a pt n u o ce r u t a r e p m e t 1 0 - y a 3 4 3 8 s c i1 0 - y a 3 4 3 8 s c ip f q l d a e l 2 3y a r t r e p 0 5 2c 0 7 o t c 0 t 1 0 - y a 3 4 3 8 s c i1 0 - y a 3 4 3 8 s c il e e r d n a e p a t n o p f q l d a e l 2 30 0 0 1c 0 7 o t c 0 f l 1 0 - y a 3 4 3 8 s c il 1 0 y a 3 4 3 8 s c ip f q l " e e r f - d a e l " d a e l 2 3y a r t r e p 0 5 2c 0 7 o t c 0 t f l 1 0 - y a 3 4 3 8 s c il 1 0 y a 3 4 3 8 s c i n o p f q l " e e r f - d a e l " d a e l 2 3 l e e r d n a e p a t 0 0 0 1c 0 7 o t c 0 the aforementioned trademark, hiperclocks? and f emto c locks ? is a trademark of integrated circuit systems, inc. or its subsidiaries in the united states and/or other countries.
8343ay-01 www.icst.com/products/hiperclocks.html rev. b september 16, 2004 10 ics8343-01 l ow s kew , 1- to -16 lvcmos / lvttl f anout b uffer integrated circuit systems, inc. t e e h s y r o t s i h n o i s i v e r v e re l b a te g a pe g n a h c f o n o i t p i r c s e de t a d a 2 t 8 t 2 1 1 c d e g n a h c - e l b a t s c i t s i r e t c a r a h c n i p n i . l a c i p y t f p 4 o t x a m f p 4 r o t d e d d a t u o 5 , ? 2 1 d n a . n i m ? . x a m . d a e l 2 3 o t d a e l 8 4 m o r f n m u l o c e g a k c a p t c e r r o c n o i t a m r o f n i g n i r e d r o 3 0 / 8 1 / 9 b c 5 t5 . e l b a t s c i t s i r e t c a r a h c c a d e x i m d e d d a . t a m r o f d e t a d p u 4 0 / 3 1 / 8 b8 t9 . e l b a t n o i t a m r o f n i g n i r e d r o o t g n i k r a m e e r f - d a e l d e d d a 4 0 / 6 1 / 9
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