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| general description features ics9161a block diagram dual programmable graphics frequency generator 9161-a revf 5/11/00 ! ! " #$$ % & ! % % !'()* (+)* ! % ! ,& & % % ! the ics9161a is also ideal in disk drives. it can generate zone clocks for constant density recording schemes. the low profile, 16-pin soic or pdip package and low jitter outputs are especially attractive in board space critical disk drives. &-. "&(& % #$$ , % ? pin-for-pin and function compatible with icd2061a dual programmable graphics clock generator memory and video clocks are individually programmable on-the-fly ideal for designs where multiple or varying frequencies are required increased frequency resolution from optional pre- divide by 2 on the m counter output enable feature available for tristating outputs independent clock outputs range from 390 khz to 120 mhz for vdd >4.75v power-down capabilities low power, high speed 0.8 cmos technology glitch-free transitions available in 16-pin, 300-mil soic or pdip package ics reserves the right to make changes in the device data identified in this publication without further notice. ics advises its customers to obtain the latest version of all device data to verify that any information being relied upon by the customer is current and accurate. ics9161a pin descriptions pin configuration r e b m u n n i pe m a n n i pe p y tn o i t p i r c s e d 1k l c - 0 l e sn i . e d o m g n i t a r e p o n i n i p t c e l e s k c o l c . e d o m g n i m m a r g o r p l a i r e s n i t u p n i k c o l c . d n g o t n w o d - l l u p l a n r e t n i s a h 2a t a d - 1 l e sn i s a h . e d o m g n i t a r e p o n i n i p t c e l e s k c o l c . e d o m g n i m m a r g o r p l a i r e s n i t u p n i a t a d . d n g o t n w o d - l l u p l a n r e t n i 3d d v ar w p. r e w o p 4e on i. d d v o t p u - l l u p l a n r e t n i s a h . w o l n e h w s t u p t u o s e t a t s i r t 5d n gr w p. d n u o r g 61 xn i r o f s a i b k c a b d e e f d n a e c n a t i c a p a c d a o l l a t x s e d u l c n i t u p n i s i h t . t u p n i l a t s y r c . l a t s y r c e h t 72 xt u o. e c n a t i c a p a c d a o l l a t x l a n r e t n i s e d u l c n i h c i h w t u p t u o l a t s y r c 8k l c mt u o. t u p t u o k c o l c y r o m e m 9k l c vt u o. t u p t u o k c o l c o e d i v 0 1# t u o r r et u o. d r o w d e m m a r g o r p y l l a i r e s e h t n i r o r r e n a s l a n g i s w o l t u p t u o 1 1k l c t x en i. d d v o t p u - l l u p l a n r e t n i s a h . t u p n i k c o l c l a n r e t x e 2 10 t i n in i . d n g o t n w o d - l l u p l a n r e t n i s a h . b s l , s n o i t i d n o c p u - r e w o p l a i t i n i s t c e l e s 3 1d d vr w p. r e w o p 4 11 t i n in i . d n g o t n w o d - l l u p l a n r e t n i s a h . b s m , s n o i t i d n o c p u - r e w o p l a i t i n i s t c e l e s 5 1l e s t x en i o t p u - l l u p l a n r e t n i s a h . t u p t u o k l c v s a ) k l c t x e ( t u p n i k c o l c l a n r e t x e s t c e l e s . d d v 6 1# d pn i. d d v o t p u - l l u p l a n r e t n i s a h . w o l e v i t c a , n i p n w o d - r e w o p 16-pin 300- mil soic or pdip ics9161a ! / 0 1-$2. &"3 #45 1-$2 ! ! ! 36-$2 ! !36.3$ .3$( ( .3$ #45 "3 ! / - . .3$( .3$ %! & 7! .3$ .3$(8 ! &1-$2 8 .3$( .3$ & % ! ! ! 4 &1-$2 % 0 % & ! 0 % !1-" !% 4 & 9 & 1-$2 8 +-$2 % 1-$2 & % 0 : % !1-" 4 & % ! ! * 7 7( ! %7 !144 ! ! ( * ! / register selection 8 &% ! .3$(&.3$- "3 % ;36-$2<! !36.3$ 1-$2. ! !1-$2 1 t i n i0 t i n ig e r m0 g e r1 g e r2 g e r 0 0 1 1 0 1 0 1 0 0 5 . 2 3 0 0 0 . 0 4 0 5 3 . 0 5 4 4 6 . 6 5 5 7 1 . 5 2 5 7 1 . 5 2 0 0 0 . 0 4 0 0 0 . 0 4 2 2 3 . 8 2 2 2 3 . 8 2 2 2 3 . 8 2 0 5 3 . 0 5 2 2 3 . 8 2 2 2 3 . 8 2 2 2 3 . 8 2 0 5 3 . 0 5 e o# d pl e s t x e1 l e s0 l e sk l c v 0 1 1 1 1 1 1 x 0 1 1 1 1 1 x x x x 0 1 x x x 0 0 1 1 1 x x 0 1 0 x 1 e t a t s i r t h g i h d e c r o f 0 g e r 1 g e r k l c t x e 2 g e r 2 g e r e o# d pk l c m 0 1 1 x 1 0 e t a t s i r t g e r m n w d r w p s s e r d d a ) 1 a - 0 a ( r e t s i g e rn o i t i n i f e d 0 0 0 1 0 0 0 1 0 1 1 0 0 0 1 0 1 1 0 g e r 1 g e r 2 g e r g e r m n w d r w p g e r l t n c 1 r e t s i g e r k c o l c o e d i v 2 r e t s i g e r k c o l c o e d i v 3 r e t s i g e r k c o l c o e d i v r e t s i g e r y r o m e m e d o m n w o d - r e w o p r o f r o s i v i d r e t s i g e r l o r t n o c ics9161a ! , % ! / t i be m a n t i be u l a v t l u a f e dn o i t p i r c s e d 1 25 c0 . t n e m e l p m i l l i w n i p # d p e h t e d o m n w o d - r e w o p h c i h w s e n i m r e t e d t i b s i h t e h t f o n o i t c n u f a e b o t s l a n g i s k l c m e h t s e c r o f , 0 = 5 c , 1 e d o m n w o d - r e w o p d n a l a t s y r c e h t f f o s n r u t , 1 = 5 c , 2 e d o m n w o d - r e w o p . r e t s i g e r n w o d - r e w o p . s t u p t u o l l a s e l b a s i d 0 24 c0 y c n e u q e r f g n i r u d k l c v o t d e x e l p i t l u m s i k c o l c h c i h w s e n i m r e t e d t i b s i h t 1 = 4 c . t u p t u o k l c v e h t o t y c n e u q e r f e c n e r e f e r e h t s e x e l p i t l u m 0 = 4 c . s e g n a h c s c i h p a r g e h t e r e h w s n o i t a c i l p p a r o f t u p t u o k l c v e h t o t k l c m s e x e l p i t l u m f s a w o l s s a n u r t o n n a c r e l l o r t n o c . f e r 9 13 c0 s i l a v r e t n i t u o - e m i t e h t . l a v r e t n i t u o - e m i t e h t f o h t g n e l e h t s e n i m r e t e d t i b s i h t , s e m e r t x e n i a t r e c o t d e m m a r g o r p s i o c v s i h t f i . o c v k l c m e h t m o r f d e v i r e d d e l b u o d , 1 = 3 c . t u o - e m i t l a m r o n , 0 = 3 c . t r o h s o o t e b y a m l a v r e t n i t u o - e m i t e h t . l a v r e t n i t u o - e m i t 8 12 c0 . 0 o t t e s e b t s u m , d e v r e s e r 7 11 c1 . e m i t h g i h t u p t u o n i e s a e r c e d s n 1 a s e s u a c 0 = 1 c . e l c y c y t u d e h t s t s u j d a t i b s i h t n a c t n e m t s u j d a e h t , h g i h s i e c n a t i c a p a c d a o l e h t f i . t n e m t s u j d a o n s e s u a c 1 = 1 c . % 0 5 o t r e s o l c e l c y c y t u d e h t g n i r b 6 10 c0 . 0 o t t e s e b t s u m , d e v r e s e r 5 12 s n0 p e h t s e l a c s e r p 1 = 2 s n . 2 y b r e t n u o c n e h t s e l a c s e r p 0 = 2 s n . 2 r e t s i g e r n o s t c a . 4 o t e u l a v r e t n u o c 4 11 s n0 p e h t s e l a c s e r p 1 = 1 s n . 2 y b r e t n u o c n e h t s e l a c s e r p 0 = 1 s n . 1 r e t s i g e r n o s t c a . 4 o t e u l a v r e t n u o c 3 10 s n0 p e h t s e l a c s e r p 1 = 0 s n . 2 y b r e t n u o c n e h t s e l a c s e r p 0 = 1 s n . 0 r e t s i g e r n o s t c a . 4 o t e u l a v r e t n u o c ics9161a .3$( .3$ &.3$( ! .3$ !" ! ! ! & ! / = !;. 4 < ! /0 % -$2 % -$2 -$2 = & (& / & &' ;! <& 0 ! = ! & 400 -$2 ! ! ! " .3$( .3$ ! .1-$2 .3$( .3$ & &! ! .3$(.3$ ! % ! -$2! & ! ! ! != ! & & ! = = ! -$2 400& ! ! % -$2 400 % & figure 1: serial data timing ics9161a & . 4 : % & & % & & & 0 3::">58 !& ! % ! / & & ! & ! & ! ! / '91?1 ?9 91 1 % +)*?= ?(+)* = @ : = (()*?= ?9+)* +@: % ' 9(+)*?= ? (+)* = @1-" = (+)* = @ =1-" ! / / 7@7ab'+@+ab = @# c7d+c= !' + 7 '( @ & ;87 1-" % e+ % < % = !9(+)* (+)* 0 & !9(+)*&= % & % % + = ;:< ! / 8 + #$%$ &' > -4 (0& ( 1-" a 1-"! 9(+)* (+)*! , 1-" )!%& & -4 (0 !! / )* +, 8 &1-$2 +-$21-" ,&! !1-" ! % & +-$2% 1-$21-" ! !1-$21-" ! % ! % ;+< 1-$2 d l e i fs t i b f o # ) i ( x e d n i ) ' n ( e u l a v r e t n u o c n ) r ( x u m ) ' m ( e u l a v r e t n u o c m 4 7 3 7 rr o s i v i d 0 0 0 1 0 0 0 1 0 1 1 0 0 0 1 1 0 1 0 1 1 1 1 1 1 2 4 8 6 1 2 3 4 6 8 2 1 if k l c v o c v f k l c m o c v 0 1 1 1 1 1 1 1 k l c v f f o n r u t k c l v o t k l c m x u m z h m 0 2 1 - 0 5 z h m 0 2 1 - 0 5 - ics9161a !" !! #! ! % #45 ! %-7$ * &1-" !& 1-$2 & +-$2 ! % :0+ ! !+-$2% ! / +-$2 @= d;#8:487 % % < ! ! % ! #8:487 ; !< 8 ! !& % !! ! & % #! ! % ! !-7$ #45 ! #45 8 ! ! & ! ! &! ! #45 ! !&! ! ! % power-down register table s t i b n w d r w pn w d r w pn w o d - r e w o pd p k l c m 3 p2 p1 p0 pe u l a v r e t s i g e rr o s i v i df ( f e r ) 8 1 8 1 3 . 4 1 = 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 2 3 4 5 6 7 ) t l u a f e d ( 8 9 a b c d e f a / n 2 3 0 3 8 2 6 2 4 2 2 2 0 2 8 1 6 1 4 1 2 1 0 1 8 6 4 a / n z h k 4 . 7 4 4 z h k 3 . 7 7 4 z h k 4 . 1 1 5 z h k 7 . 0 5 5 z h k 6 . 6 9 5 z h k 8 . 0 5 6 z h k 9 . 5 1 7 z h k 5 . 5 9 7 z h k 9 . 4 9 8 z h m 2 0 . 1 z h m 9 1 . 1 z h m 3 4 . 1 z h m 9 7 . 1 z h m 9 3 . 2 z h m 8 5 . 3 . ics9161a absolute maximum ratings note 1: parameter is guaranteed by design and characterization. not 100% tested in production. 144 f74 g1 " ; < (h- g(h- . (h- b9(h- + ;( <; < b (h- 1 d" f74 f74(91144b(91 i ; < b 9h- #! ('9 8 . % 0 + : % % % 3 #$%& 1 @b91j9k&(h- bg(h- s c i t s i r e t c a r a h c c d r e t e m a r a pl o b m y ss n o i t i d n o c t s e tn i mp y tx a ms t i n u e g a t l o v t u p n i l e v e l h g i hv h i 0 . 2--v e g a t l o v t u p n i l e v e l w o lv l i -- 8 . 0v e g a t l o v t u p t u o s o m c l e v e l h g i h 1 v h o i h o a m 4 - =4 8 . 3--v e g a t l o v t u p t u o l e v e l w o l 1 v l o i l o a m 4 =--4 . 0v t n e r r u c h g i h t u p n ii h i v d d v = h i - l l u p r o f v 5 2 . 5 = s n w o d -- 0 0 1a t n e r r u c w o l t u p n ii l i v l i s p u - l l u p r o f v 0 =0 5 2 ---a t n e r r u c e g a k a e l t u p t u oi z o ) e t a t s i r t (0 1 --0 1a t n e r r u c y l p p u s r e w o pi d d 5 1-5 6a m ) l a c i p y t ( t n e r r u c y l p p u s r e w o pi p y t - d d z h m 0 6 @-5 3-a m t n e r r u c y l p p u s r e w o p g o l a n ai d d a -- 0 2a m ) 1 e d o m ( t n e r r u c n w o d - r e w o pi 1 d p -6 5 . 7a m ) 2 e d o m ( t n e r r u c n w o d - r e w o pi 2 d p -5 20 5a e c n a t i c a p a c t u p n i 1 c n i -- 0 1f p ics9161a #$%& 7 / # * 7((k = lll+)*& :"+ ! '4 -+". % 09% &1 @ 9% % & % s c i t s i r e t c a r a h c c a n o i t p i r c s e de m a nl o b m y sn i mp y tx a ms t i n u e u l a v r o t a l l i c s o e c n e r e f e r 2 e c n e r e f e r y c n e u q e r f f f e r 18 1 8 1 3 . 4 10 6z h m f / 1 f e r d o i r e p e c n e r e f e rt f e r 6 . 6 18 0 4 8 . 9 60 0 0 1s n r o t a l l i c s o t u p n i e h t r o f e l c y c y t u d t s a d e n i f e d 1 t / f e r e l c y c y t u d t u p n it 1 % 5 2-% 5 7- s e u l a v r o t a l l i c s o t u p t u o k c o l c t u p t u o s d o i r e p t 2 0 2 1 ( 3 3 . 8 ) z h m - 0 9 3 ( 4 6 5 2 ) z h k s n s r o t a l l i c s o t u p t u o e h t r o f e l c y c y t u d 3 e l c y c y t u d t u p t u ot 3 % 5 4-% 5 5- a o t n i s r o t a l l i c s o t u p t u o e h t r o f e m i t e s i r d a o l f p 5 2 s e m i t e s i rt 4 --3 s n a o t n i s r o t a l l i c s o t u p t u o e h t r o f e m i t l l a f d a o l f p 5 2 s e m i t l l a ft 5 --3 s n t u p t u o y c n e u q e r f d l ot u p t u o 1 q e r ft 1 q e r f ---- t u p t u o y c n e u q e r f w e nt u p t u o 2 q e r ft 2 q e r f ---- e l i h w h g i h s n i a m e r t u p t u o k c o l c e m i t y c n e u q e r f e c n e r e f e r o t s e x u m t u p t u o f f e r e m i t x u mt a t 5 . 0 f e r -t 5 . 1 f e r s n r o f d n a g n i m m a r g o r p l a i r e s r o f l a v r e t n i e l t t e s o t s e g n a h c o c v 4 l a v r e t n i t u o - e m i tt t u o - e m i t 25 0 1s m e l i h w h g i h s n i a m e r t u p t u o k c o l c e m i t e u l a v y c n e u q e r f w e n o t s e x u m t u p t u o t 2 q e r f e m i t x u mt b t 5 . 0 f e r t 5 . 1 f e r -s n o t n i o g o t s r o t a l l i c s o t u p t u o e h t r o f e m i t l a n g i s - s i d t u o r e t f a e d o m e t a t s i r t n o i t r e s s a e t a t s i r tt 6 -5 2-s n r e v o c e r o t s r o t a l l i c s o t u p t u o e h t r o f e m i t l a n g i s - s i d t u o r e t f a e d o m e t a t s i r t m o r f h g i h s e o g d i l a v k l ct 7 -2 1-s n n o i t a r e p o f o e d o m n w o d - r e w o p r o f e m i t t c e f f e e k a t o t n w o d - r e w o pt 8 -5 2-s n n w o d - r e w o p m o r f y r e v o c e r r o f e m i t k l c d i l a v a o t e d o m p u - r e w o pt 9 -2 1-s n r e t f a h g i h o g o t k l c m r o f e m i t h g i h d e t r e s s a s i n w d r w p h g i h t u o k l c mt 0 1 0-t n w d r w p s n f o t r o i r p k l c m f o y a l e d k l c m t a l a n g i s t u p t u o y a l e d t u o k l c mt 1 1 t 5 . 0 k l c m -t 5 . 1 k l c m s n k c o l c l a i r e s f o d o i r e p k c o l ct k l c r e s t 2 f e r -2 s m e m i t p u - t e st u s 0 2--s n e m i t d l o ht d h 0 1--s n d n a m m o c d a o lt d m c d l 0-t 1 0 3 +s n " ics9161a rise and fall times tristated timing ics9161a selection timing mclk and active vclk register programming timing ics9161a soft power-down timing (mode 2) serial programming timing ics9161a general layout precautions: 1) use a ground plane on the top layer of the pcb in all areas not used by traces. 2) make all power traces and vias as wide as possible to lower inductance. notes: 1) all clock outputs should have series terminating resistor. not shown in all places to improve readibility of diagram. 2) 47 ohm / 56pf rc termination should be used on all over 50mhz outputs. 3) optional crystal load capacitors are recommended. capacitor values: c1, c2 : crystal load values determined by user c3 : 100pf ceramic all unmarked capacitors are 0.01f ceramic connections to vdd: ics9161a ' /)0% 1 ics xxxx - ppp m x#w !" # $ $ % & ' ( % ) ! "# !$"% & 16-pin pdip package ics9161a soic package (wide body) ordering information ics9161a % # example: ics xxxx - ppp m x#w & ' ( % ) ! "# !$"% & !" # $ $ prefix ics, av = standard device device type (consists of 3 or 4 digit numbers) t n u o c d a e ll 6 1 l n o i s n e m i d4 0 4 . 0 ics reserves the right to make changes in the device data identified in this publication without further notice. ics advises its customers to obtain the latest version of all device data to verify that any information being relied upon by the customer is current and accurate. |
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