general description features ics9112-28 preliminary product preview block diagram low skew output buffer 9112-28 rev a 02/13/02 pin configuration ? frequency range 0 - 133 mhz (3.3v) less than 200 ps jitter between outputs skew controlled outputs skew less than 250 ps between outputs available in 8 pin 150 mil soic & 173 mil tssop packages. 3.3v 10% operation the ics9112-28 is a high performance, low skew, low jitter clock driver. it is designed to distribute high speed clocks in pc systems operating at speeds from 0 to 133 mhz. the ics9112-28 comes in an eight pin 150 mil soic package. it has four output clocks. 8 pin soic clk_in clk0 gnd gnd clk1 clk4 clk4 vdd clk3 clk3 clk2 clk2 ics9112-28 1 2 3 4 8 7 6 5 clk_in clk_in clk0 clk1 clk2 clk3 clk4 pin descriptions notes: 1. weak pull-down on all outputs 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 20 k l c 1 t u ot u p t u o k c o l c d e r e f f u b 3d n gr w pd n u o r g 41 k l c 1 t u ot u p t u o k c o l c d e r e f f u b 52 k l c 1 t u ot u p t u o k c o l c d e r e f f u b 63 k l c 1 t u ot u p t u o k c o l c d e r e f f u b 7d d vr w p) v 3 . 3 ( y l p p u s r e w o p 84 k l c 1 t u ot u p t u o k c o l c d e r e f f u b 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.
ics9112-28 preliminary product preview switching characteristics (3.3v continued) notes: 1. guaranteed by design and characterization. not subject to 100% test. 2. clk_in input has a threshold voltage of 1.4v 3. all parameters expected with loaded outputs r e t e m a r a pl o b m y sn o i t i d n o cn i mp y tx a ms t i n u y a l e d n o i t a g a p o r pp t5 . 40 . 8s n e m i t e s i r 1 1 r t : v 0 . 2 d n a v 8 . 0 n e e w t e b d e r u s a e m s e i c n e u q e r f g n i t a r e p o l l a @ f p 0 3 = l c 5 . 1s n e m i t l l a f 1 1 f t ; v 8 . 0 d n a v 0 . 2 n e e w t e b d e r u s a e m s e i c n e u q e r f g n i t a r e p o l l a @ f p 0 3 = l c 5 . 1s n t u p t u o o t t u p t u o w e k s 1 w e k s tf p 0 2 = l c , d e d a o l y l l a u q e s t u p t u o l l a0 5 2s p e c i v e d o t e c i v e d w e k s 1 k s d t - k s d t t u o k l c e h t n o 2 / d d v t a d e r u s a e m s e c i v e d f o s n i p 0 0 7s p absolute maximum ratings supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . 7.0 v logic inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . gnd ?0.5 v to v dd +0.5 v ambient operating temperature . . . . . . . . . . . . 0c to +70c storage temperature . . . . . . . . . . . . . . . . . . . . . . ?65c to +150c 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. guaranteed by design and characterization. not subject to 100% test. 2. all skew specifications are mesured with a 50 ? transmission line, load teminated with 50 ? to 1.4v. 3. duty cycle measured at 1.4v. 4. skew measured at 1.4v on rising edges. loading must be equal on outputs. electrical characteristics at 3.3v v dd = 3.0 ? 3.6 v, t a = 0 ? 70 c unless otherwise stated
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ics9112-28 preliminary product preview ics xxxx y m - ppp - t ordering information ics9112 y m-28-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 = standard device example: seating plane seating plane a1 b a e .10 (.004) .10 (.004) h x 45 h x 45 l c index area index area 12 1 2 n d e h
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 8 4.80 5.00 .1890 .1968 10-0030 0.050 basic symbol in millimeters in inches common dimensions common dimensions reference doc.: jedec publication 95, ms-012 150 mil (narrow bod y ) soic see variations see variations n d mm. d (inch) see variations see variations 1.27 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.
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