a s a h i k a s e i e m d c o r p o r a t i o n m s 0 6 0 7 -e -0 0 m a y - 0 8 1 reg is t e r p r o g r a m m a b le clo c k g e n e r a t o r a k 814 1 f e a t u r e s i n p u t f r e q u e n c y : 4 8 mh z/ 2 4 mh z/ 1 2 mh z/ 2 7 mh z (se l e c ta b l e ) o u t p u t f r e q u e n c y : 2 7 mh z C 5 0 mh z b y 1 mh z s te p , 3 3 . 7 5 mh z/ 4 0 . 5 mh z/ 4 9 . 5 mh z (se l e c ta b l e ) l o w j i t te r pe r fo r m a n c e : 1 5 p s ( t y p . ) pe r i o d 1 s l o w c u r r e n t c o n s u m p t i o n : 3 . 5 m a (t y p . ) a t 2 7 mh z, 3 . 0 v 4 . 5 m a (t y p . ) a t 5 0 mh z, 3 . 0 v o u t p u t l o a d : 1 5 p f (ma x ) su p p l y vo l ta g e : 2 . 7 C 3 . 6 v o p e r a ti n g t e m p e r a tu r e r a n g e : -2 0 to + 8 5 pa c k a g e : 8 -p i n u s o n d e s c r i p t i o n t h e ak8 1 4 1 i s a s i n g l e c l o ck g e n e ra t o r i c w i t h a n i n t e g ra t e d pl l . i t ca n g e n e ra t e a 2 7 . 0 mh z C 5 0 . 0 mh z b y 1 mh z s t e p o r 3 3 . 7 5 mh z, 4 0 . 5 mh z , 4 9 . 5 mh z c l o ck f ro m a 4 8 mh z, 2 4 mh z, 1 2 mh z a n d 2 7 mh z m a s t e r c l o ck i n p u t f re q u e n cy. t h e o u t p u t ca n b e e n a b l e d o r d i s a b l e d w i t h p i n a n d t h e f re q u e n cy ca n b e ch a n g e d v i a t h re e -l i n e s e ri a l i n t e r f a ce . t h e h i g h p e r f o r m a n ce pl l l o c ks t o t h e m a s t e r cl o ck i n p u t , g e n e ra t i n g a l o w j i t t e r, h i g h l y a ccu ra t e c l o ck o u t p u t w i t h o u t a n e xt e rn a l crys t a l . a p p l i c a t i o n s d i g i t a l st i l l c a m e ra d i g i t a l v i d e o c a m e ra b l o c k d i a g r a m clkin vdd vss input buffer clkout output buffer oe pll sclk sdata xlat register a k 8 1 4 1 r e g i s te r pr o g r a m m a b l e c l o c k g e n e r a to r http://
a k 8 1 4 1 m a y - 0 8 m s 0 6 0 7 -e -0 0 - 2 - the brand name of akemds ics p i n d e s c r i p t i o n p a c k a g e : 8 - p i n u s o n ( t o p v i e w ) p i n n o . p i n n a m e p i n t y p e d e s c r i p t i o n 1 o e i n c l k o u t o u t p u t e n a b l e co n t r o l l : c l k o u t = l a n d p o w e r d o w n . h : a ct i ve ( 1 ) 2 v d d - - p o w e r su p p l y 3 v s s - - g r o u n d 4 clkout out c l o ck o u t p u t o u t p u t c l o c k f r e q u e n cy i s se l e ct a b l e t o 2 7 . 0 m h z o r 5 0 . 0 m h z b y 1 m h z st e p , o r 3 3 . 7 5 m h z , 4 0 . 5 m h z , 4 9 . 5 m h z t h r o u g h t h e t h r e e - l i n e se r i a l i n t e r f a ce . i n p o w e r d o w n m o d e ( o e = l ) , t h i s p i n i s l . 5 s d a t a i n s e r i a l d a t a i n p u t 6 s c l k i n s e r i a l c l o ck i n p u t 7 x l a t in s e r i a l w r i t e c o n t r o l 8 - b i t s se r i a l d a t a i s s t o r e d a t t h e r i si n g e d g e o f t h i s i n p u t . s e t h e x ce p t d u r i n g se r i a l w r i t e p r o ce ss ( 1 ) 8 c l k i n in c l o ck i n p u t i n p u t f r e q u e n cy i s se l e ct e d f r o m 4 8 m h z , 2 4 m h z , 1 2 m h z o r 2 7 m h z vi a t h e se r i a l i n t e r f a ce . p l a ce t h e a k 8 1 4 1 i n p o w e r d o w n ( o e = l ) m o d e w h e n a n i n p u t c l o ck i s n o t su p p l i e d . u n st a b l e i n p u t t o t h e c l k i n ca u se s t h e u n st a b l e c l k o u t si g n a l . d c i n p u t t o t h e c l k i n a l so ca u se s t h e u n st a b l e c l k o u t si g n a l . ( 1 ) i n t e r n a l p u l l d o w n 1 0 0 k w ( t yp . ) ? o r d e r i n g i n f o r m a t i o n p a r t n u m b e r m a r k i n g s h i p p i n g p a c k a g i n g p a c k a g e t e m p e r a t u r e r a n g e a k 8 1 4 1 u 8 1 4 1 t a p e a n d r e e l 8 - p i n u s o n - 2 0 t o 8 5
AK8141 m s 0 6 0 7 -e -0 0 m a y - 0 8 - 3 - t he brand name of akemds ics a b s o l u t e m a x i m u m r a t i n g o v e r o p e ra t i n g f re e -a i r t e m p e ra t u re ra n g e u n l e s s o t h e r w i s e n o t e d (1) i t e m s s y m b o l ratings unit supply voltage vdd -0.3 to 4.6 v input voltage vin vss-0.3 to vdd+0.3 v input current (any pins except supplies) i in 10 ma storage temperature tstg -55 to 130 c n o t e ( 1 ) s t r e ss b e yo n d t h o se l i s t e d u n d e r a b so l u t e m a x i m u m r a t i n g s m a y ca u se p e r m a n e n t d a m a g e t o t h e d e vi ce . t h e se a r e st r e ss r a t i n g s o n l y . f u n c t i o n a l o p e r a t i o n o f t h e d e vi ce a t t h e se o r a n y o t h e r co n d i t i o n s b e yo n d t h o se i n d i ca t e d u n d e r r e co m m e n d e d o p e r a t i n g c o n d i t i o n s i s n o t i m p l i e d . e x p o su r e t o a b so l u t e - m a x i m u m - r a t i n g c o n d i t i o n s f o r e x t e n d e d p e r i o d s m a y a f f e ct d e vi ce r e l i a b i l i t y . e l e ct r i ca l p a r a m e t e r s a r e g u a r a n t e e d o n l y o ve r t h e r e co m m e n d e d o p e r a t i n g t e m p e r a t u r e r a n g e . t h i s d e v i ce i s m a n u f a c t u re d o n a c m o s p ro ce s s , t h e re f o re , g e n e ri ca l l y s u s ce p t i b l e t o d a m a g e b y e xce s s i v e s t a t i c v o l t a g e . f a i l u re t o o b s e r v e p ro p e r h a n d l i n g a n d i n s t a l l a t i o n p ro ce d u re s ca n ca u s e d a m a g e . ake md re co mme n d s t h a t t h i s d e v i ce i s h a n d l e d w i t h a p p ro p ri a t e p re ca u t i o n s . r e c o m m e n d e d o p e r a t i o n c o n d i t i o n s p a r a m e t e r s y m b o l c o n d i t i o n s min typ max unit o p e r a t i n g t e m p e r a t u r e t a - 2 0 8 5 c s u p p l y v o l t a g e v d d 2 . 7 3 . 0 3 . 6 v i n p u t c l o ck f r e q u e n cy f i n 4 8 . 0 2 4 . 0 1 2 . 0 2 7 . 0 m h z i n p u t c l o ck d u t y c yc l e 5 0 % o u t p u t l o a d c a p a c i t a n ce c p 1 p i n : c l k o u t 1 5 p f esd sensitive device
a k 8 1 4 1 m a y - 0 8 m s 0 6 0 7 -e -0 0 - 4 - the brand name of akemds ics d c c h a r a c t e r i s t i c s a l l sp e ci f i ca t i o n s a t v d d : o ve r 2 . 7 t o 3 . 6 v , t a : - 2 0 t o + 8 5 , u n l e ss o t h e r w i se n o t e d p a r a m e t e r s y m b o l conditions min typ max unit h i g h l e ve l i n p u t vo l t a g e v i h p i n : c l k i n , o e , x l a t , s c l k , s d a t a 0 . 7 * v d d v l o w l e ve l i n p u t vo l t a g e v i l s a m e a s a b o ve 0 . 3 * v d d v i n p u t l e a ka g e cu r r e n t 1 i l 1 p i n : c l k i n , s c l k , s d a t a - 1 0 + 1 0 a i n p u t l e a ka g e cu r r e n t 2 i l 2 o e - 1 0 + 7 5 a i n p u t l e a ka g e cu r r e n t 3 i l 3 x l a t - 7 5 + 1 0 a h i g h l e ve l o u t p u t vo l t a g e v o h c l k o u t i o h = - 4 m a ( v d d = 3 . 0 v , t a = 2 5 c ) 0 . 8 * v d d v l o w l e ve l o u t p u t vo l t a g e v o l c l k o u t i o l = + 4 m a ( v d d = 3 . 0 v , t a = 2 5 c ) 0 . 2 * v d d v c u r r e n t c o n su m p t i o n 1 i d d 1 n o l o a d c l k i n = 4 8 m h z c l k o u t = 2 7 m h z ( v d d = 3 . 0 v , t a = 2 5 ) 3 . 5 m a c u r r e n t c o n su m p t i o n 2 i d d 2 n o l o a d c l k i n = 4 8 m h z c l k o u t = 5 0 m h z ( v d d = 3 . 0 v , t a = 2 5 ) 4 . 5 m a p o w e r d o w n cu r r e n t i p d o e = l f s e l = l o r o p e n 0 1 0 a a c c h a r a c t e r i s t i c s a l l sp e ci f i ca t i o n s a t v d d : o ve r 2 . 7 t o 3 . 6 v , t a : - 2 0 t o + 8 5 , u n l e ss o t h e r w i se n o t e d ( 1 ) t h e t i m e t h a t o u t p u t r e a ch e s t h e t a r g e t f r e q u e n cy w i t h i n a ccu r a cy o f 0 . 1 % f r o m t h e p o i n t t h a t t h e p o w e r su p p l y r e a ch e s v d d ( 2 ) w i t h t h e l o a d ca p a ci t a n ce sp e ci f i e d b y t h e r e co m m e n d e d o p e r a t i o n co n d i t i o n s ( 3 ) d e si g n va l u e p a r a m e t e r s y m b o l conditions min typ max unit output clock duty cycle (2) (3) 4 5 5 0 5 5 % output clock rise time (2) (3) t r i s e 0 . 2 v d d t o 0 . 8 v d d 4 . 0 n s output clock fall time (2) (3) t f a l l 0 . 2 v d d t o 0 . 8 v d d 4 . 0 n s o u t p u t c l o ck j i t t e r ( 2 ) ( 3 ) ji t p e r i o d , 1 s 1 5 p s o u t p u t l o ck t i m e ( 1 ) t l o c k p o w e r - u p 1 m s
AK8141 m s 0 6 0 7 -e -0 0 m a y - 0 8 - 5 - t he brand name of akemds ics s e r i a l i n t e r f a c e d0 d1 a6 a7 sdata sclk xlat t1 t2 t3 t4 t5 t6 t 7 n o t e ) i t m i g h t ca u se a w r i t e a cce ss i f s c l k r i se w h i l e x l a t s t a y a t l o w . s y m b o l p a r a m e t e r m i n t y p m a x u n i t t 1 , t 2 s c l k p u l se w i d t h 5 0 n s t 3 s d a t a se t u p t i m e 5 0 n s t 4 s d a t a h o l d t i m e 5 0 n s t 5 s c l k r i s i n g e d g e t o x l a t f a l l i n g e d g e 5 0 n s t 6 x l a t p u l se w i d t h 5 0 n s t 7 x l a t r i s i n g e d g e t o s c l k f a l l i n g e d g e 5 0 n s
a k 8 1 4 1 m a y - 0 8 m s 0 6 0 7 -e -0 0 - 6 - the brand name of akemds ics p a c k a g e i n f o r m a t i o n mechanical data (units:mm) m a r k i n g a : # 1 p i n i n d e x b : pa rt n u m b e r c: d a t e co d e (3 d i g i t s ) a k m a n d t h e l o g o - - a re t h e b ra n d o f ak emd s i c s a n d i d e n t i f y t h a t ake md co n t i n u e s t o o f f e r t h e b e s t ch o i ce f o r h i g h p e r f o r m a n ce mi x e d -s i g n a l s o l u t i o n u n d e r t h i s b ra n d . r o h s c o m p l i a n c e al l i n t e g ra t e d c i r cu i t s f o r m as a h i ka s e i emd c o rp o ra t i o n (akemd ) a s s e m b l e d i n l e a d - f re e p a cka g e s * a re f u l l y co m p l i a n t w i t h r o h s . ( * ) r o h s co m p l i a n t p r o d u c t s f r o m a k e m d a r e i d e n t i f i e d w i t h p b f r e e l e t t e r i n d i ca t i o n o n p r o d u c t l a b e l p o s t e d o n t h e a n t i - sh i e l d b a g a n d b o x e s.
AK8141 m s 0 6 0 7 -e -0 0 m a y - 0 8 - 7 - t he brand name of akemds ics f u n c t i o n a l d e s c r i p t i o n r e g i s t e r m a p a k 8 1 4 1 h a s o n e 8 - b i t r e g i st e r . t h e r e g i st e r m a p i s sh o w n b e l o w . address data a[7:0] d7 d6 d5 d4 d3 d2 d1 d0 ffh infrq1 infrq0 0 outfrq4 outfrq3 outfrq2 outfrq1 outfrq0 n o t e ) d 5 sh o u l d b e se t t o 0 . r e g i s t e r s e t t i n g t h e d a t a f o r t h e re g i s t e r i s s e t v i a t h e s e ri a l i n t e r f a ce s u ch a s sc l k p i n , sd at a p i n a n d x l at p i n . i t i s re co mm e n d e d t h a t t h e re g i s t e r a cce s s i s e x e cu t e d w h i l e o e p i n = l . i m p o r t a n t i t m u s t b e s e t t h e a p p ro p ri a t e d a t a t o t h e re g i s t e r a s t h e p ro ce d u re s h o w n b e l o w a f t e r p o w e r u p . t h e ak8 1 4 1 d o e s n o t h a v e a re s e t f u n ct i o n o n t h e re g i s t e r. < r e g i s t e r s e t t i n g p ro ce d u re a f t e r p o w e r u p > 1 ) po w e r u p w i t h o e = l . 2 ) se t v a l u e s t o t h e re g i s t e r. 3 ) se t o e = h . r e g i s t e r b i t f u n c t i o n i n f r q 1 - 0 [ w r i t e ] i n p u t cl o ck f r e q u e n cy i s co n f i g u r e d w i t h t h e se b i t s. infrq1 infrq0 input frequency 0 0 48mhz 0 1 24mhz 1 0 12mhz 1 1 27mhz
a k 8 1 4 1 m a y - 0 8 m s 0 6 0 7 -e -0 0 - 8 - the brand name of akemds ics o u t f r q 4 - 0 [ w r i t e ] o u t p u t cl o ck f r e q u e n cy i s co n f i g u r e d w i t h t h e se b i t s. outfrq4 outfrq3 outfrq2 outfrq1 outfrq0 clkout 0 0 0 0 0 27.00mhz 0 0 0 0 1 28.00mhz 0 0 0 1 0 29.00mhz 0 0 0 1 1 30.00mhz 0 0 1 0 0 31.00mhz 0 0 1 0 1 32.00mhz 0 0 1 1 0 33.00mhz 0 0 1 1 1 33.75mhz 0 1 0 0 0 34.00mhz 0 1 0 0 1 35.00mhz 0 1 0 1 0 36.00mhz 0 1 0 1 1 37.00mhz 0 1 1 0 0 38.00mhz 0 1 1 0 1 39.00mhz 0 1 1 1 0 40.00mhz 0 1 1 1 1 40.50mhz 1 0 0 0 0 41.00mhz 1 0 0 0 1 42.00mhz 1 0 0 1 0 43.00mhz 1 0 0 1 1 44.00mhz 1 0 1 0 0 45.00mhz 1 0 1 0 1 46.00mhz 1 0 1 1 0 47.00mhz 1 0 1 1 1 48.00mhz 1 1 0 0 0 49.00mhz 1 1 0 0 1 49.50mhz 1 1 0 1 0 50.00mhz 1 1 0 1 1 (*1) 1 1 1 0 0 (*1) 1 1 1 0 1 (*1) 1 1 1 1 0 (*1) 1 1 1 1 1 (*1) ( * 1 ) 4 0 . 5 m h z
AK8141 m s 0 6 0 7 -e -0 0 m a y - 0 8 - 9 - t he brand name of akemds ics i m p o r t a n t n o t i c e t h e s e p ro d u ct s a n d t h e i r s p e ci f i ca t i o n s a re su b j e ct t o ch a n g e w i t h o u t n o t i ce . be f o re co n s i d e ri n g a n y u s e o r a p p l i ca t i o n , co n s u l t t h e as a h i ka s e i m i cro s ys t e m s c o . , l t d . (a km) s a l e s o f f i ce o r a u t h o ri ze d d i s t ri b u t o r co n ce rn i n g t h e i r cu rre n t s t a t u s . akm a s s u m e s n o l i a b i l i t y f o r i n f ri n g e m e n t o f a n y p a t e n t , i n t e l l e c t u a l p ro p e rt y, o r o t h e r r i g h t i n t h e a p p l i ca t i o n o r u s e o f a n y i n f o r m a t i o n co n t a i n e d h e re i n . an y e x p o r t o f t h e s e p ro d u ct s , o r d e v i ce s o r s ys t e m s co n t a i n i n g t h e m, m a y re q u i re a n e x p o rt l i ce n s e o r o t h e r o f f i c i a l a p p ro v a l u n d e r t h e l a w a n d re g u l a t i o n s o f t h e co u n t ry o f e x p o r t p e rt a i n i n g t o cu s t o m s a n d t a ri f f s , cu rre n cy e x ch a n g e , o r s t ra t e g i c m a t e r i a l s . akm p ro d u ct s a re n e i t h e r i n t e n d e d n o r a u t h o ri ze d f o r u s e a s cri t i ca l co m p o n e n t s i n a n y s a f e t y, l i f e s u p p o rt , o r o t h e r h a za rd re l a t e d d e v i ce o r s ys t e m , a n d akm a s s u m e s n o re s p o n s i b i l i t y re l a t i n g t o a n y s u ch u se , e x ce p t w i t h t h e e x p re s s w ri t t e n co n s e n t o f t h e r e p re s e n t a t i v e d i re c t o r o f ak m. as u s e d h e re : (a ) a h a za rd re l a t e d d e v i ce o r s ys t e m i s o n e d e s i g n e d o r i n t e n d e d f o r l i f e s u p p o rt o r m a i n t e n a n ce o f s a f e t y o r f o r a p p l i ca t i o n i n m e d i c i n e , a e ro s p a ce , n u c l e a r e n e rg y, o r o t h e r f i e l d s , i n w h i ch i t s f a i l u re t o f u n c t i o n o r p e r f o r m ma y re a s o n a b l y b e e x p e ct e d t o re s u l t i n l o s s o f l i f e o r i n s i g n i f i ca n t i n j u ry o r d a m a g e t o p e rs o n o r p ro p e rt y. (b ) a cr i t i ca l co m p o n e n t i s o n e w h o s e f a i l u re t o f u n c t i o n o r p e r f o r m m a y re a s o n a b l y b e e x p e ct e d t o re s u l t , w h e t h e r d i re ct l y o r i n d i re ct l y , i n t h e l o s s o f t h e s a f e t y o r e f f e ct i v e n e s s o f t h e d e v i ce o r s ys t e m co n t a i n i n g i t , a n d w h i ch m u s t t h e re f o re m e e t v e ry h i g h s t a n d a rd s o f p e r f o r m a n ce a n d re l i a b i l i t y. i t i s t h e re s p o n s i b i l i t y o f t h e b u ye r o r d i s t ri b u t o r o f a n akm p ro d u ct w h o d i s t ri b u t e s , d i s p o se s o f , o r o t h e rw i s e p l a ce s t h e p ro d u ct w i t h a t h i rd p a r t y t o n o t i f y t h a t p a rt y i n a d v a n ce o f t h e a b o v e co n t e n t a n d co n d i t i o n s , a n d t h e b u ye r o r d i s t r i b u t o r a g re e s t o a s s u m e a n y a n d a l l re s p o n s i b i l i t y a n d l i a b i l i t y f o r a n d h o l d akm h a r ml e s s f ro m a n y a n d a l l c l a i m s a ri s i n g f ro m t h e u s e o f s a i d p ro d u ct i n t h e a b s e n ce o f s u ch n o t i f i ca t i o n .
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