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P4KE13A KDB7045L MNR4G 0924DH 1AMSMD ON1320 NTE71 ACT9301
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  ics9250-18 third party brands and names are the property of their respective owners. integrated circuit systems, inc. frequency generator & integrated buffers for celeron & p ii / iii ? 9250-18 rev b 9/23/99 functionality pin configuration recommended application: 
    output features: ? 3 - cpus @2.5v, up to 166mhz.  17 - sdram @ 3.3v, up to 166mhz.  7 - pci @3.3v  2 - ioapic @ 2.5v  1 - 48mhz, @3.3v fixed.  1 - 24mhz @ 3.3v  2 - ref @3.3v, 14.318mhz. features:  up to 166mhz frequency support  support power management: cpu, pci, stop and power down mode form i 2 c programming.  spread spectrum for emi control ( 0.25% center spread)  uses external 14.318mhz crystal key specifications:  cpu ? cpu: <175ps  cpu ? pci: 1 - 4ns  pci ? pci: <500ps  sdram - sdram: <250ps 56-pin ssop  
  
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)  vddref *fs2/ref1 *pci_stop#/ref0 gnd x1 x2 vddpci *mode/pciclk_f *fs3/pciclk0 gnd vddpci bufferin sdram11 sdram10 vddsdr sdram9 sdram8 gnd sdram15 sdram14 gnd sdata sclk pciclk1 pciclk2 pciclk3 pciclk4 pciclk5 vddlioapic ioapic0 ioapic_f gnd cpuclk_f cpuclk1 vddlcpu cpuclk2 gnd cpu_stop# sdram_f vddsdr sdram0 sdram1 gnd sdram2 sdram3 sdram4 sdram5 vddsdr sdram6 sdram7 gnd sdram12 sdram13 vdd48 24mhz/fs0* 48mhz/fsi* 1 ics9250-18 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 { i c 2 block diagram 3 s f2 s f1 s f0 s f u p c ) z h m ( k l c i c p ) z h m ( 0000 0 0 . 0 80 0 . 0 4 0001 0 0 . 5 70 5 . 7 3 0010 1 3 . 3 85 6 . 1 4 0011 9 . 6 65 4 . 3 3 0100 0 0 . 3 0 13 3 . 4 3 0101 1 0 . 2 1 14 3 . 7 3 0110 1 0 . 8 61 0 . 4 3 0111 7 . 0 0 17 5 . 3 3 1000 0 0 . 0 2 10 0 . 0 4 100 1 9 9 . 4 1 13 3 . 8 3 10 10 9 9 . 9 0 16 6 . 6 3 10 11 0 0 . 5 0 10 0 . 5 3 1100 0 0 . 0 4 10 0 . 5 3 1101 0 0 . 0 5 10 5 . 7 3 1110 0 0 . 4 2 10 0 . 1 3 1111 9 . 3 3 15 2 . 3 3 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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(  electrical characteristics - input/supply/common output parameters t a = 0 - 70 o c; supply voltage v dd = 3.3 v +/-5%, v ddl = 2.5 v +/-5% (unless otherwise stated) parameter symbo l conditions min typ max units operating i dd2.5op100 select @ 100mhz; max discrete cap loads 13 25 supply current i dd2.5op133 select @ 133mhz; max discrete cap loads 18 25 1 guaranteed by design, not 100% tested in production. ma electrical characteristics - input/supply/common output parameters t a = 0 - 70 o c; supply voltage v dd = 3.3 v +/-5%, v ddl = 2.5 v +/-5% (unless otherwise stated) parameter symbol conditions min typ max units input high voltage v ih 2v dd +0.3 v input low voltage v il g nd -0.3 0.8 v input high current i ih v in = v dd 0.1 5 n/a input frequency f i v dd = 3.3 v 12 14.318 16 mhz input capacitance 1 c in logic inputs 5 pf c inx x1 & x2 pins 27 36 45 pf transition time 1 t trans to 1st crossing of target freq. 4 ms settling time 1 t s from 1st crossing to 1% target freq. 1 3 ms clk stabilization 1 t stab from v dd = 3.3 v to 1% target freq. 4ms 1 guaranteed by design, not 100% tested in production. ma
ics9250-18 third party brands and names are the property of their respective owners. electrical characteristics - cpuclk t a = 0 - 70 o c; v dd = 3.3 v +/-5%, v ddl = 2.5 v +/-5%; c l = 20 pf (unless otherwise stated) parameter symbol conditions min typ max units output high voltage v oh2b i oh = -12.0 ma 2 2.3 v output low voltage v ol2b i ol = 12 ma 0.2 0.4 v output high current i oh2b v oh = 1.7 v -41 -19 ma output low current i ol2b v ol = 0.7 v 19 37 ma rise time t r2b 1 v ol = 0.4 v, v oh = 2.0 v 0.4 1.6 ns fall time t f2b 1 v oh = 2.0 v, v ol = 0.4 v 0.4 1 1.6 ns duty cycle d t2b 1 v t = 1.25 v 45 51 55.5 % skew group1: 1,2 and 1,f t sk2b 1 v t = 1.25 v 120 175 ps skew group2: 2, f t sk2b 1 v t = 1.25 v 254 ps jitter, one sigma t j 1 electrical characteristics - 48mhz, 24mhz,ref0 t a = 0 - 70 o c; v dd = 3.3 v +/-5%, v ddl = 2.5 v +/-5%; c l = 20 pf (unless otherwise stated) parameter symbol conditions min typ max units output high voltage v oh5 i oh = -14 ma 2.4 2.9 v output low voltage v ol5 i ol = 6.0 ma 0.25 0.4 v output high current i oh5 v oh = 2.0 v -42 -20 ma output low current i ol5 v ol = 0.8 v 10 18 ma rise time 1 t r5 v ol = 0.4 v, v oh = 2.4 v 1.1 2.5 ns fall time 1 t f5 v oh = 2.4 v, v ol = 0.4 v 1 2.5 ns duty cycle 1 d t5 v t = 1.5 v 45 50 55 % jitter 1 t j 1s5 v t = 1.5 v, 24, 48mhz 100 250 ps jitter 1 t jabs5 v t = 1.5 v, ref0 250 800 ps 1 guaranteed by design, not 100% tested in production.
 ics9250-18 third party brands and names are the property of their respective owners. electrical characteristics - pciclk t a = 0 - 70 o c; v dd = 3.3 v +/-5%, v ddl = 2.5 v +/-5%; c l = 60 pf for pci0 & pci1, cl = 30 pf for other pcis parameter symbol conditions min typ max units output high voltage v oh1 i oh = -18 ma 2.4 2.9 v output low voltage v ol1 i ol = 9.4 ma 0.2 0.4 v output high current i oh1 v oh = 2.0 v -58 -22 ma output low current i ol1 v ol = 0.8 v 25 52 ma rise time 1 t r1 v ol = 0.8 v, v oh = 2.4 v 1.5 2.5 ns fall time 1 t f1 v oh = 2.4 v, v ol = 0.4 v 1.4 2.5 ns duty cycle 1 d t1 v t = 1.5 v 45 50 55 % skew 1 t sk1 v t = 1.5 v 270 500 ps jitter, one sigma 1 t j 1 electrical characteristics - sdram t a = 0 - 70 o c; v dd = 3.3 v +/-5%, v ddl = 2.5 v +/-5%; c l =30 pf parameter symbol conditions min typ max units output high voltage v oh1 i oh = -28 ma 2.4 2.8 v output low voltage v ol1 i ol = 19 ma 0.34 0.4 v output high current i oh1 v oh = 2.0 v -72 -42 ma output low current i ol1 v ol = 0.8 v 33 50 ma rise time 1 t r1 v ol = 0.4 v, v oh = 2.4 v 0.5 2 ns fall time 1 t f1 v oh = 2.4 v, v ol = 04 v 0.5 2.4 ns duty cycle 1 d t1 v t = 1.5 v 45 50 56.3 % skew(group1: f,0:4, 8:11) 1 t sk1 v t = 1.5 v 130 250 ps skew(group2: 5:7, 12:15) 1 t sk1 v t = 1.5 v 180 250 ps skew(group3: 0, 13) 1 t sk1 v t = 1.5 v 410 ps skew(buferin-output) 1 t sk1 v t = 1.5 v 3.5 4.4 ns jitter, one sigma 1 t j 1
 ics9250-18 third party brands and names are the property of their respective owners. electrical characteristics - ioapic t a = 0 - 70 o c; v dd = 3.3 v +/-5%, v ddl = 2.5 v +/-5%; c l = 20 pf (unless otherwise stated) parameter symbol conditions min typ max units output high voltage v oh4b i oh = -12 ma 2 2.2 v output low voltage v ol4b i ol = 12 ma 0.3 0.4 v output high current i oh4b v oh = 1.7 v -32 -19 ma output low current i ol4b v ol = 0.7 v 19 26 ma rise time 1 t r4b v ol = 0.4 v, v oh = 2.0 v 0.4 1.5 1.8 ns fall time 1 t f4b v oh = 2.0 v, v ol = 0.4 v 0.4 1 1.6 ns duty cycle 1 d t4b v t = 1.25 v 45 51 55 % jitter, one sigma 1 t j 1
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-  933# = routed power = ground connection (component side copper) = ground plane connection = power route connection = solder pads = clock load ferrite bead vdd c2 22f/20v tantalum ferrite bead vdd c2 22f/20v tantalum c3 c3 1 clock load 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 2 c1 c1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 2.5v power route 3.3v power route 3.3v power route ground ground
 ics9250-18 third party brands and names are the property of their respective owners. l o b m y s s n o i s n e m i d n o m m o c s n o i t a i r a v d n . n i m. m o n. x a m. n i m. m o n. x a m a5 9 0 .1 0 1 .0 1 1 .d a0 2 7 .5 2 7 .0 3 7 .6 5 1 a8 0 0 .2 1 0 .6 1 0 . 2 a8 8 0 .0 9 0 .2 9 0 . b8 0 0 .0 1 0 .5 3 1 0 . c5 0 0 .- 0 1 0 . ds n o i t a i r a v e e s e2 9 2 .6 9 2 .9 9 2 . ec s b 5 2 0 . 0 h0 0 4 .6 0 4 .0 1 4 . h0 1 0 .3 1 0 .6 1 0 . l4 2 0 .2 3 0 .0 4 0 . ns n o i t a i r a v e e s 0 5 8 x5 8 0 .3 9 0 .0 0 1 . ssop package ordering information ics9250 y f-18  !"#$%& ' &()*  7&002$ . 3 &  6#   
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,7 +,&)* &-' .  6,0+&0    0?-e ics xxxx y f - ppp 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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