integrated circuit systems, inc. 840002bg-32 www.icst.com/products/hiperclocks.html rev. a june 27, 2005 1 ics840002-32 f emto c locks ? c rystal - to - lvcmos/lvttl f requency s ynthesizer preliminary g eneral d escription the ics840002-32 is a 2 output lvcmos/ lvttl synthesizer optimized to generate fibre channel or serial ata reference clock frequencies and is a member of the hiperclocks tm family of high performance clock solutions from ics. using an 18pf parallel resonant crystal, the following frequencies can be generated based on 1 frequency select pin (sel): 106.25mhz and 75mhz, or 212.5mhz. the ics840002-32 uses ics? 3 rd generation low phase noise vco technology and can achieve 1ps or lower typical rms phase jitter, easily meeting fibre channel and serial ata jitter requirements. the ics840002-32 is packaged in a small 8-pin tssop package. hiperclocks? ics b lock d iagram p in a ssignment f eatures ? two lvcmos/lvttl outputs, 15 typical output impedance ? crystal oscillator interface ? output frequency range: 75mhz and 106.25mhz, or 212.5mhz ? rms phase jitter at 106.25mhz (637khz - 5mhz): 0.86ps (typical) ? full 3.3v or 3.3v core/2.5v output supply mode ? 0c to 70c ambient operating temperature xtal_in xtal_out femtoclock? ics840002-32 8-lead tssop 4.40mm x 3.0mm x 0.925mm package body g package top view v dd xtal_out xtal_in gnd 1 2 3 4 sel q0 v ddo q1 8 7 6 5 q0 q1 sel s elect f unction t able t u p n i) z h m ( e g n a r y c n e u q e r f t u p t u o l e s0 q1 q 05 75 2 . 6 0 1 15 75 . 2 1 2 26.5625mhz the preliminary information presented herein represents a product in prototyping or pre-production. the noted characteristics a re based on initial product characterization. integrated circuit systems, incorporated (ics) reserves the right to change any circuitry or specific ations without notice.
integrated circuit systems, inc. 840002bg-32 www.icst.com/products/hiperclocks.html rev. a june 27, 2005 2 ics840002-32 f emto c locks ? c rystal - to - lvcmos/lvttl f requency s ynthesizer preliminary t able 1. p in d escriptions t able 2. p in c haracteristics r e b m u ne m a ne p y tn o i t p i r c s e d 1v d d r e w o p. n i p y l p p u s e r o c , 2 3 , t u o _ l a t x n i _ l a t x t u p n i. e c a f r e t n i r o t a l l i c s o l a t s y r c 4d n gr e w o p. d n u o r g y l p p u s r e w o p 7 , 50 q , 1 qt 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 . s t u p t u o k c o l c d e d n e - e l g n i s 5 1 . e c n e d e p m i t u p t u o l a c i p y t 1v o d d r e w o p. n i p y l p p u s t u p t u o 8l e st u p n in w o d l l u p. 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 . n i p t c e l e s : e t o n 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 s r e f e r 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 v d d v , o d d v 5 6 4 . 3 =d b tf p v d d v , v 5 6 4 . 3 = o d d v 5 2 6 . 2 =d b tf p 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 o 5 1
integrated circuit systems, inc. 840002bg-32 www.icst.com/products/hiperclocks.html rev. a june 27, 2005 3 ics840002-32 f emto c locks ? c rystal - to - lvcmos/lvttl f requency s ynthesizer preliminary t able 3a. p ower s upply dc c haracteristics , v dd = v ddo = 3.3v5%, t a = 0c 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 il e s2v d d 3 . 0 +v v l i e g a t l o v w o l t u p n il e s3 . 0 -8 . 0v i h i t n e r r u c h g i h t u p n il e sv d d v = n i v 5 6 4 . 3 =5a i l i t n e r r u c w o l t u p n il e sv d d v , v 5 6 4 . 3 = n i v 0 =0 5 1 -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 o d d % 5 v 3 . 3 =6 . 2v v o d d % 5 v 5 . 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 o d d % 5 v 5 . 2 r o v 3 . 3 =5 . 0v 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 o d d . t i u c r i c t s e t d a o l t u p t u o , 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 / t able 3c. lvcmos/lvttl dc c haracteristics , v dd = 3.3v5%, v ddo = 3.3v5% or 2.5v5%, t a = 0c to 70c 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 ddo + 0.5v package thermal impedance, ja 101.7c/w (0 mps) 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. 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 o d d 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 i d d t n e r r u c y l p p u s r e w o p d b ta m i o d d t n e r r u c y l p p u s t u p t u o d b ta m t able 3b. p ower s upply dc c haracteristics , v dd = 3.3v5%, v ddo = 2.5v5%, t a = 0c 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 o d d 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 d b ta m i o d d t n e r r u c y l p p u s t u p t u o d b ta m t able 4. c rystal c haracteristics r 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 n o i t a l l i c s o f o e d o m l a t n e m a d n u f y c n e u q e r f 5 2 6 5 . 6 2z h m ) r s e ( e c n a t s i s e r s e i r e s t n e l a v i u q e 0 5 e c n a t i c a p a c t n u h s 7f p l e v e l e v i r d 1w m . l a t s y r c t n a n o s e r l e l l a r a p f p 8 1 n a g n i s u d e z i r e t c a r a h c : e t o n
integrated circuit systems, inc. 840002bg-32 www.icst.com/products/hiperclocks.html rev. a june 27, 2005 4 ics840002-32 f emto c locks ? c rystal - to - lvcmos/lvttl f requency s ynthesizer preliminary t able 5a. ac c haracteristics , v dd = v ddo = 3.3v5%, t a = 0c 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 t u o e g n a r y c n e u q e r f t u p t u o 5 . 2 1 2z h m 5 2 . 6 0 1 5 7 t ) o ( k s3 , 1 e t o n ; w e k s t u p t u o d b ts p t ) ? ( t i j ; ) m o d n a r ( r e t t i j e s a h p s m r 2 e t o n : e g n a r n o i t a r g e t n i @ z h m 5 . 2 1 2 z h m 0 2 - z h m 5 5 . 2 0 5 . 0s p : e g n a r n o i t a r g e t n i @ z h m 5 2 . 6 0 1 z h m 5 - z h k 7 3 6 6 8 . 0s p : e g n a r n o i t a r g e t n i @ z h m 5 7 z h m 0 2 - z h k 2 1 d b ts 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 20 0 4s p c d oe l c y c y t u d t u p t u o 0 5% . 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 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 n e e w t e b w e k s s a d e n i f e d : 1 e t o n v t a d e r u s a e m o d d . 2 / : 2 e t o n. t o l p e s i o n e s a h p e h t o t r e f e r e s a e l p . 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 : 3 e t o n t able 5b. ac c haracteristics , v dd = 3.3v5%, v ddo = 2.5v5%, t a = 0c 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 t u o e g n a r y c n e u q e r f t u p t u o 5 . 2 1 2z h m 5 2 . 6 0 1 5 7 t ) o ( k s3 , 1 e t o n ; w e k s t u p t u o d b ts p t ) ? ( t i j ; ) m o d n a r ( r e t t i j e s a h p s m r 2 e t o n : e g n a r n o i t a r g e t n i @ z h m 5 . 2 1 2 z h m 0 2 - z h m 5 5 . 2 7 5 . 0s p : e g n a r n o i t a r g e t n i @ z h m 5 2 . 6 0 1 z h m 5 - z h k 7 3 6 1 . 1s p : e g n a r n o i t a r g e t n i @ z h m 5 7 z h m 0 2 - z h k 2 1 d b ts 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 20 5 4s p c d oe l c y c y t u d t u p t u o 0 5% . 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 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 n e e w t e b w e k s s a d e n i f e d : 1 e t o n v t a d e r u s a e m o d d . 2 / : 2 e t o n. t o l p e s i o n e s a h p e h t o t r e f e r e s a e l p . 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 : 3 e t o n
integrated circuit systems, inc. 840002bg-32 www.icst.com/products/hiperclocks.html rev. a june 27, 2005 5 ics840002-32 f emto c locks ? c rystal - to - lvcmos/lvttl f requency s ynthesizer preliminary p arameter m easurement i nformation t period t pw t period odc = v ddo 2 x 100% t pw q0, q1 rms p hase j itter 3.3v 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 scope qx lvcmos 1.65v5% -1.65v5% o utput s kew clock outputs 20% 80% 80% 20% t r t f v dd , v ddo gnd phase noise mas k offset frequency f 1 f 2 phase noise plot rms jitter = area under the masked phase noise plot noise power t sk(o) v ddo 2 v ddo 2 qx qy o utput r ise /f all t ime scope qx lvcmos 2.05v5% -1.25v5% v dd gnd o utput d uty c ycle /p ulse w idth /p eriod 1.25v5% v ddo
integrated circuit systems, inc. 840002bg-32 www.icst.com/products/hiperclocks.html rev. a june 27, 2005 6 ics840002-32 f emto c locks ? c rystal - to - lvcmos/lvttl f requency s ynthesizer preliminary r eliability i nformation t ransistor c ount the transistor count for ics840002-32 is: 2322 t able 6. ja vs . a ir f low t able for 8 l ead tssop ja by velocity (meters per second) a pplication i nformation c rystal i nput i nterface the ics840002-32 has been characterized with 18pf paral- lel resonant crystals. the capacitor values shown in figure 1 figure 1. c rystal i npu t i nterface below were determined using an 18pf parallel resonant crys- tal and were chosen to minimize the ppm error. ics840002-32 0 1 2.5 multi-layer pcb, jedec standard test boards 101.7c/w 90.5c/w 89.8c/w c1 33p x1 18pf parallel crystal c2 27p xtal_out xtal_in
integrated circuit systems, inc. 840002bg-32 www.icst.com/products/hiperclocks.html rev. a june 27, 2005 7 ics840002-32 f emto c locks ? c rystal - to - lvcmos/lvttl f requency s ynthesizer preliminary p ackage o utline - g s uffix for 8 l ead tssop t able 7. p ackage d imensions reference document: jedec publication 95, mo-153 l o b m y s s r e t e m i l l i m m u m i n i mm u m i x a m n8 a- -0 2 . 1 1 a5 0 . 05 1 . 0 2 a0 8 . 05 0 . 1 b9 1 . 00 3 . 0 c9 0 . 00 2 . 0 d0 9 . 20 1 . 3 ec i s a b 0 4 . 6 1 e0 3 . 40 5 . 4 ec i s a b 5 6 . 0 l5 4 . 05 7 . 0 0 8 a a a- -0 1 . 0
integrated circuit systems, inc. 840002bg-32 www.icst.com/products/hiperclocks.html rev. a june 27, 2005 8 ics840002-32 f emto c locks ? c rystal - to - lvcmos/lvttl f requency s ynthesizer preliminary t able 8. o rdering i nformation 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, patent s, or licenses are implied. this product is intended for use in normal commercial applications. any other applications such as those requiring e xtended 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 notice. ics does not authorize or warrant any ics product for use in life support devices or critical medical instruments. the aforementioned trademarks, hiperclocks and f emto c locks are trademarks of integrated circuit systems, inc. or its subsidiaries in the united states and/or other countries. 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 pg n i g a k c a p g n i p p i h se r u t a r e p m e t 2 3 - g b 2 0 0 0 4 8 s c i2 3 b 2 0p o s s t d a e l 8e b u tc 0 7 o t c 0 t 2 3 - g b 2 0 0 0 4 8 s c i2 3 b 2 0p o s s t d a e l 8l e e r & e p a t 0 0 5 2c 0 7 o t c 0
|
