integrated circuit systems, inc. general description features ics9112-27 preliminary product preview block diagram low skew pci / pci-x buffer 9112-27 rev b 02/27/01 pin configuration ? frequency range 0 - 140 mhz (3.3v) less than 200 ps jitter between outputs skew controlled outputs < 100 ps distribute one clock input to one bank of four outputs 3.3v 10% operation available in 8 pin tssop, and soic packages. the ics9112-27 is a high performance, low skew, low jitter pci / pci-x clock driver. it is designed to distribute high speed signals in pci / pci-x applications operating at speeds from 0 to 140 mhz. the ics9112-27 is characterized for operation from -40c to 85c for automotive and industrial applications. 8 pin tssop & soic clk_in oe clk0 gnd clk3 clk2 vdd clk1 ics9112-27 1 2 3 4 8 7 6 5 clk_in clk0 clk1 clk2 clk3 logic control oe pin descriptions 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 1n i _ k l cn i. y c n e u q e r f e c n e r e f e r t u p n i 2e on i k c o l c e h t s e t a t s i r t t i , w o l s i e o n e h w ) . p u _ l l u p l a n r e t n i s a h ( e l b a n e t u p t u o s t u p t u o 30 k l ct u ot u p t u o k c o l c d e r e f f u b 4d n gr w pd n u o r g 51 k l ct u ot u p t u o k c o l c d e r e f f u b 6d d vr w pv 3 . 3 r o f y l p p u s r e w o p 72 k l ct u ot u p t u o k c o l c d e r e f f u b 83 k l ct u ot u p t u o k c o l c d e r e f f u b s t u p n is t u p t u o n i _ k l ce o) 0 : 3 ( k l c 000 010 100 111 functionality table product preview documents contain information on new products in the sampling or preproduction phase of development. characteristic data and other specifications are subject to change without notice.
2 ics9112-27 preliminary product preview absolute maximum ratings supply voltage range v dd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5v to 4.3 v input voltage rangev i (see notes 1 & 2) . . . . . . . . . . . . -0.5v to v dd + 0.5v output voltage range v o (see notes 1 & 2) . . . . . . . . . -0.5v to v dd + 0.5v input clamp current i ik (v i < 0 or v i >v dd ) . . . . . . . . . . . . . . . . . . . 50 ma output clamp current i ok (v o < 0 or v o ) . . . . . . . . . . . . . . . . . . . . . . 50 ma continuous total output current, i o (v o = 0 to v dd ) . . . . . . . . . . . 50 ma package thermal impedance ? ja (see note 3): pw package . . . 230.5 c/w storage temperature rante, t stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 c to 150 c stresses above those listed under absolute maximum ratings may cause permanent damage to the device. these ratings are stress specifications only and functional operation of the device at these or any other conditions above those listed in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for extended periods may affect product reliability. notes: 1. the input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed. 2. this value is limited to 4.6 v maximum. 3. the package thermal impedance is calculated in accordance with jesd 51. s n o i t c n u f l a n i m r e t l a n i m r e to no / in o i t p i r c s e d ) 0 - 3 ( k l c3 , 5 , 7 , 8o s k c o l c t u p t u o d e r e f f u b n i k l c1iy c n e u q e r f e c n e r e f e r t u p n i d n g4r w pd n u o r g e o2il o r t n o c e l b a n e s t u p t u o v d d v 3 . 36r w py l p p u s v 3 . 3 s n o i t i d n o c g n i t a r e p o d e d n e m m o c e r n i mm o nx a mt i n u v , e g a t l o v y l p p u s d d 33 . 36 . 3v v , e g a t l o v t u p n i l e v e l - h g i h h i 7 . 0 x v d d v v , e g a t l o v t u p n i l e v e l - w o l l i 3 . 0 x v d d v v , e g a t l o v t u p n i i 0v d d v i , t n e r r u c t u p t u o l e v e l - h g i h h o 4 2 -a m i , t n e r r u c t u p t u o l e v e l - w o l l o 4 2a m t , 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 o a 0 4 -5 8c 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 o d n a e g a t l o v y l p p u s f o s e g n a r d e d n e m m o c e r r e v o s t n e m e r i u q e r g n i m i t n i mm o nx a mt i n u f y c n e u q e r f k c o l c k l c 00 4 1z h m
3 ics9112-27 preliminary product preview ) d e t o n e s i w r e h t o s s e l n u ( e g n a r 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 o d e d n e m m o c e r r e v o s c i t s i r e t c a r a h c l a c i r t c e l e r e t e m a r a ps n o i t i d n o c t s e tn i mm o nx a mt i n u v e g a t l o v t u p n i k i v d d i , v 3 . 3 = i a m 8 1 =2 . 1 -v v e g a t l o v t u p t u o l e v e l - h g i h h o v d d i , x a m o t n i m = h o a m 1 - =v d d 2 . 0 -v v d d i v 3 = h o a m 4 2 =2 v v d d i v 3 = h o a m 2 1 =4 . 2v v e g a t l o v t u p t u o l e v e l - w o l l o v d d i , x a m o t n i m = l o a m 1 - =2 . 0v v d d i v 3 = l o a m 4 2 =8 . 0v v d d i v 3 = l o a m 2 1 =5 5 . 0v i t n e r r u c t u p t u o l e v e l - h g i h h o v d d v v 3 = o v 1 =0 5 -a m v d d v v 3 . 3 = o v 5 6 . 1 =5 5 -a m i t n e r r u c t u p t u o l e v e l - w o l l o v d d v v 3 = o v 2 =0 6a m v d d v v 3 . 3 = o v 5 6 . 1 =0 7a m i t n e r r u c t u p n i i v i v = o v r o d d 5 a i 5 e r u g i f e e s , t n e r r u c c i m a n y d d d z h m 7 6 = f7 3a m c e c n a t i c a p a c t u p n i i v d d v v 3 . 3 = i v r o v 0 = d d 3f p c e c n a t i c a p a c t u p t u o o v d d v v 3 . 3 = i v r o v 0 = d d 2 . 3f p , 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 o d n a e g a t l o v y l p p u s f o s e g n a r d e d n e m m o c e r r e v o s c i t s i r e t c a r a h c g n i h c t i w s ) 2 d n a 1 s e r u g i f d n a 6 e t o n e e s ( v 3 . 3 = d d v , f p 5 2 = l c r e t e m a r a ps n o i t i d n o c t s e tn i mm o nx a mt i n u t y a l e d n o i t a g a p o r p w o l - o t - h g i h h l p 2 d n a 1 s e r u g i f e e s 8 . 15 . 23s n t y a l e d n o i t a g a p o r p h g i h - o t - w o l l h p 8 . 14 . 23s n t ) 4 e t o n e e s ( w e k s t u p t u o o ( k s )0 0 1s p t w e k s e s l u p ) p ( k s v h i v = d d v , l i v 0 =0 5 1s p t w e k s s s e c o r p ) r p ( k s s n t 4 e r u g i f e e s , e m i t h g i h k l c h g i h z h m 6 66s n z h m 0 4 13 t 4 e r u g i f e e s , e m i t w o l k l c w o l z h m 6 66s n z h m 0 4 13 t ? e t a r w e l s e s i r t u p t u o r v 2 . 0 d d v 6 . 0 o t d d 5 . 17 . 24 s n / v t ? e t a r w e l s l l a f t u p t u o f v 6 . 0 d d v 2 . 0 o t d d 5 . 17 . 24 s n / v
4 ics9112-27 preliminary product preview v dd 0.6 v dd 0.6 v dd 50% v dd 50% v dd 50% v dd 50% v dd 0.2 v dd 0.2 v dd v oh v ol clk0-clk3 any clk any clk 50% v dd 0v t plh t r t f t sk(0) t phl clkin clk n v dd 140 10 pf 140 figure 1. test load circuit figure 2. voltage thresholds for propagation delay (t ) measurements pd parameter measurement information figure 3. output skew figure 4. clock waveform t cyc t high v ih(min) v test v il(max) t low 0.6 v dd 0.2 v dd 0.4 v dd peak to peak (minimum) paramameter value unit v ih(min) 0.5 v dd v v il(max) 0.35 v dd v v test 0.4 v dd v note: all parameters in figure 4 are according to pci-x 1.0 specifications.
5 ics9112-27 preliminary product preview high level output voltage vs high-level output current i -high-level output current-ma figure 6 oh 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 v - high-le vel output voltage - v oh vdd = 3.3 v ta = 25c parameter measurement information 20 40 50 60 0 20 40 60 80 100 120 140 160 vdd = 3.6 v ta = 85 c supply current vs frequency f - frequency - mhz figure 5 i - supply current - ma cc
6 ics9112-27 preliminary product preview vdd = 3.3 v ta = 25 c 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 -20 0 20 40 60 80 100 120 low level output voltage vs low-level output current i -low-level output current-ma figure 7 ol parameter measurement information
7 ics9112-27 preliminary product preview 4.40 mm. body, 0.65 mm. pitch tssop (173 mil) (0.0256 mil) ordering information ics9112 y g-27-t designation for tape and reel packaging pattern number (2 or 3 digit number for parts with rom code patterns) package type g=tssop revision designator (will not correlate with datasheet revision) device type (consists of 3 or 4 digit numbers) prefix ics, av = standard device example: ics xxxx y g - ppp - t min max min max a - 1.20 - .047 a1 0.05 0.15 .002 .006 a2 0.80 1.05 .032 .041 b 0.19 0.30 .007 .012 c 0.09 0.20 .0035 .008 d e e1 4.30 4.50 .169 .177 e 0.65 basic 0.0256 basic l 0.45 0.75 .018 .030 n 0 8 0 8 aaa - 0.10 - .004 variations min max min max 82.90 3.10 .114 .122 mo-153 jedec doc.# 10-0038 7/6/00 rev b n d mm. d (inch) see variations symbol see variations see variations in millimeters common dimensions in inches common dimensions see variations 6.40 basic 0.252 basic product preview documents contain information on new products in the sampling or preproduction phase of development. characteristic data and other specifications are subject to change without notice.
8 ics9112-27 preliminary product preview ics xxxx y m - ppp - t ordering information ics9112 y m-27-t designation for tape and reel packaging pattern number (2 or 3 digit number for parts with rom code patterns) package type m=soic revision designator (will not correlate with datasheet revision) device type (consists of 3 or 4 digit numbers) prefix ics, av = standard device example: 150 mil (narrow body) soic min max min max a 1.35 1.75 .0532 .0688 a1 0.10 0.25 .0040 .0098 b 0.33 0.51 .013 .020 c 0.19 0.25 .0075 .0098 d e 3.80 4.00 .1497 .1574 e h 5.80 6.20 .2284 .2440 h 0.25 0.50 .010 .020 l 0.40 1.27 .016 .050 n 0 8 0 8 variations min max min max 84.80 5.00 .1890 .1968 d mm. d (inch) see variations 10-0030 rev a - ms-012 symbol see variations see variations in millimeters common dimensions in inches common dimensions see variations 1.27 basic 0.050 basic n product preview documents contain information on new products in the sampling or preproduction phase of development. characteristic data and other specifications are subject to change without notice.
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