sit 9025 aec - q100, 1 to 150 mhz emi reduction oscillator advanced rev 0. 3 april 6, 2018 www.sitime.com feature s ? spread spectrum for emi reduction ? wide spread % option ? center spread: from 0.125% to 1 %, 0.125% step size ? down spread: - 0.25% to - 2 % with - 0.25% step size ? spread profile option: triangular, hershey - kiss , random ? programmable rise/fall time for emi red uction: 8 options, 0.25 to 40 ns ? any frequency between 1 mhz and 150 mhz accurate to 6 decimal places ? 100% pin - to - pin drop - in replacement to quartz - based xo ?s ? excellent total frequency stability as low as 20 ppm ? operating temperature from - 55c to 12 5 c. ? low power consumption of 4.0 ma typical at 1.8v ? pin1 modes: standby , o utput enable, or spread disable ? fast startup time of 5 ms ? lvcmos output ? industry - standard packages ? qfn: 2 .0 x 1.6, 2.5 x 2.0, 3.2 x 2.5 mm 2 ? rohs and reach compliant, pb - free, halogen - free and antimony - free applications ? adas camera ? adas ecu ? high speed serial link electrical specifications table 1 . electrical characteristics all min and max limits are specified over temperature and rated operating voltage with 15 pf output load unless otherwise stated. typical values are at 25c and 3.3v supply voltage. parameters symbol min. typ. max. unit condition frequency range output frequency range f 1 ? 150 mhz frequency stability and aging frequency stability f_stab - 20 ? +20 ppm inclusive of initial tolerance at 25c, 1st year aging at 25c, and variations over operating temperature, rated power supply voltage. spread = off. - 25 ? +25 ppm - 50 ? +50 ppm operating temperature range operating temperature range t_use - 4 0 ? +85 c industrial, aec - q100 grade 3 - 40 ? +10 5 c extended industrial, aec - q100 grade 2 supply voltage and current consumption supply voltage vdd 1.62 1.8 1.98 v 2.25 2.5 2.75 v 2.52 2.8 3.08 v 2.7 3.0 3.3 v 2.97 3.3 3.63 v 2.25 ? 3.63 v current consumption idd ? 6.5 9.0 ma no load condition, f = 148.5 mhz, vdd = 2.5v to 3.3v ? 5.5 7.0 ma no load condition, f = 148.5 mhz, vdd = 1.8v oe disable current i_od ? 5.5 ? ma f = 148.5 mhz, vdd = 2.5v to 3.3v, oe = gnd, output in high - z state ? 5.1 ? ma f = 148.5 mhz, vdd = 1.8v, oe = gnd, output in high - z state standby current i_std ? 2.6 ? a st = gnd, vdd = 2.5v to 3.3v, output is weakly pulled down ? 0.9 ? p a st = gnd, vdd = 1.8v, output is weakly pulled down
SIT9025 1 to 141 mhz emi reduction oscillator rev. 0.3 page 2 of 7 www.sitime.com table 1 . electrical characteristics (continued) parameters symbol min. typ. max. unit condition lvcmos output characteristics duty cycle dc 45 ? 55 % rise/fall time tr, tf ? 1.3 2.5 ns vdd =1.8v, 20% - 80% , default derive strength ? ? 2 ns vdd = 2.25v - 3.63v, 20% - 80% , default derive strength output high voltage voh 90% ? ? vdd ioh = - 4 ma (vdd = 3.0v or 3.3v) ioh = - 3 ma (vdd = 2.8v and vdd = 2.5v) ioh = - 2 ma (vdd = 1.8v) output low voltage vol ? ? 10% vdd iol = 4 ma (vdd = 3.0v or 3.3v) iol = 3 ma (vdd = 2.8v and vdd = 2.5v) iol = 2 ma (vdd = 1.8v) input characteristics input high voltage vih 70% ? ? vdd pin 1, oe or st input low voltage vil ? ? 30% vdd pin 1, oe or st input pull - up impedance z_in ? 87 ? k ? pin 1, oe logic high or logic low, or st logic high ? 8 ? m ? pin 1, st logic low startup and resume timing startup time t_start ? ? 5 ms measured from the time vdd reaches its rated minimum value enable/ disable time t_oe ? ? 215 ns f = 148.5 mhz. for other frequencies, t_oe = 100 ns + 3 * cycles resume time t_resume ? ? 5 ms measured from the time st pin crosses 50% threshold spread enable time t_sde ? ? 4 s measured from the time sd pin crosses 50% threshold spread disable time t_sdde ? ? 50 s measured from the time sd pin crosses 50% threshold jitter cycle - to - cycle jitter t_ccj ? 10.5 ? ps f = 148.5 mhz, vdd = 2.5 to 3.3v, spread = on ( or off) ? 1 2.5 ? ps f = 148.5 mhz, vdd = 1.8v, spread = on( or off) table 2 . spread spectrum % [1] ordering code center spread (%) down spread (%) a 0.125 - 0.25 b 0 .250 - 0.50 c 0.390 - 0.78 d 0.51 5 - 1.04 e 0.640 - 1.29 f 0.765 - 1.55 g 0. 905 - 1.84 h 1.03 0 - 2.10 i 1.155 - 2.36 j 1.280 - 2.62 k 1.420 - 2.91 l 1.545 - 3.18 m 1.670 - 3.45 n 1.795 - 3.71 o 1.935 - 4.01 p 2.060 - 4.28 notes: 1. contact sitime for availability of these spread options at - 40 to 105c, - 40 to 125c or - 55 to 125c temperature ranges. 2. in both triangular and hershey - kiss profiles, modulation rate is employed with a frequency of ~31.25 khz. in random profile, modulation rate is ~ 8.6 khz table 3 . spread profile [2] spread profile triangular hershey - kiss random
SIT9025 1 to 141 mhz emi reduction oscillator rev. 0.3 page 3 of 7 www.sitime.com table 4 . pin description pin symbol functionality 1 o e / st / n c/ sd output enable h [3 ] : specified frequency output l: output is high impedance. only output driver is disabled. standby h [3 ] : specified frequency output l: output is low (week pull down). device goes to sleep mode. supply current reduced to i_std. no connect pin1 has no function (any voltage between 0 and vdd or open) spread disable h: spread = on l: spread = off 2 gnd power electrical ground 3 out output oscillator output 4 vdd power power supply voltage [4 ] top view figure 1 . pin assignments notes: 3. in oe or st mode, a pull - up resistor of 10 k or less is recommended if pin 1 is not externally driven. if pin 1 needs to be left floating, use the nc option. 4. a capacitor of value 0.1 f or higher between vdd and gnd is required. table 5 . absolute maximum limits attempted operation outside the absolute maximum ratings may cause permanent damage to the part. actual performance of the ic is only guaranteed within the operational specifications, not at ab solute maximum ratings. parameter min. max. unit storage temperature - 65 150 c vdd - 0.5 4 v electrostatic discharge ? 2000 v soldering temperature (follow standard pb free soldering guidelines) ? 260 c junction temperature [5 ] ? 150 c note: 5. exceeding this temperature for extended period of time may damage the device. table 6 . maximum operating junction temperature [6] max operating temperature (ambient) maximum operating junction temperature 70 c 80 c 85 c 95 c note: 6. datasheet specifications are not guaranteed if junction temperature exceeds the maximum operating junction temperature. table 7 . environmental compliance parameter condition/test method mechanical shock mil - std - 883f, method 2002 mechanical vibration mil - std - 883f, method 2007 temperature cycle jesd22, method a104 solderability mil - std - 883f, method 2003 moisture sensitivity level msl1 @ 260 c 1 2 3 4 vdd out gnd oe / / n c/ sd
SIT9025 1 to 141 mhz emi reduction oscillator rev. 0.3 page 4 of 7 www.sitime.com timing diagrams 90 % vdd vdd pin 4 voltage clk output t _ start t _ start : time to start from power - off no glitch during start up [ 7 ] hz 50% vdd vdd st voltage clk output t_resume t_resume: time to resume from st hz figure 1. startup timing figure 2. standby resume timing (st mode only) 50 % vdd vdd oe voltage clk output t_oe t_oe: time to re-enable the clock output hz 50 % vdd vdd oe voltage clk output t _ oe : time to put the output in high z mode hz t _ oe figure 3. oe enable timing (oe mode only) figure 4. oe disable timing (oe mode only) frequency deviation (%) time ( s ) t _ sde sd voltage vdd 50 % vdd modulation period = 32 s ( 31 . 25 khz ) frequency deviation (%) time (s) t_sdde sd voltage vdd 50% vdd figure 5. sd enable timing (sd mode only) figure 6. sd diable timing (sd mode only) note: 7. SIT9025 has ?no runt? pulses and ?no glitch? output during startup or resume .
SIT9025 1 to 141 mhz emi reduction oscillator rev. 0.3 page 5 of 7 www.sitime.com rise/fall time (20% to 80%) vs c load tables table 8 . vdd = 1 .8v rise/fall times for specific c load table 9 . vdd = 2.5v rise/fall times for specific c load rise/fall time typ (ns) drive strength \ c load 5 pf 15 pf 30 pf 45 pf 60 pf l 6.16 11.61 22.00 31.27 39.91 a 3.19 6.35 11.00 16.01 21.52 r 2.11 4.31 7.65 10.77 14.47 b 1.65 3.23 5.79 8.18 11.08 t 0.93 1.91 3.32 4.66 6.48 e 0.78 1.66 2.94 4.09 5.74 u 0.70 1.48 2.64 3.68 5.09 f or " \ 0.65 1.30 2.40 3.35 4.56 rise/fall time typ (ns) drive strength \ c load 5 pf 15 pf 30 pf 45 pf 60 pf l 4.13 8.25 12.82 21.45 27.79 a 2.11 4.27 7.64 11.20 14.49 r 1.45 2.81 5.16 7.65 9.88 b 1.09 2.20 3.88 5.86 7.57 t 0.62 1.28 2.27 3.51 4.45 e or " \ 0.54 1.00 2.01 3.10 4.01 u 0.43 0.96 1.81 2.79 3.65 f 0.34 0.88 1.64 2.54 3.32 table 10 . vdd = 2.8v rise/fall times for specific c load rise/fall time typ drive strength \ c load 5 pf 15 pf 30 pf 45 pf 60 pf l 3.77 7.54 12.28 19.57 25.27 a 1.94 3.90 7.03 10.24 13.34 r 1.29 2.57 4.72 7.01 9.06 b 0.97 2.00 3.54 5.43 6.93 t 0.55 1.12 2.08 3.22 4.08 e or " \ ": d efa u lt 0.44 1.00 1.83 2.82 3.67 u 0.34 0.88 1.64 2.52 3.30 f 0.29 0.81 1.48 2.29 2.99 table 11 . vdd = 3.0v rise/fall times for spe cific c load rise/fall time typ (ns) drive strength \ c load 5 pf 15 pf 30 pf 45 pf 60 pf l 3.60 7.21 11.97 18.74 24.30 a 1.84 3.71 6.72 9.86 12.68 r 1.22 2.46 4.54 6.76 8.62 b 0.89 1.92 3.39 5.20 6.64 t or " \ ": d efa u l t 0.51 1.00 1.97 3.07 3.90 e 0.38 0.92 1.72 2.71 3.51 u 0.30 0.83 1.55 2.40 3.13 f 0.27 0.76 1.39 2.16 2.85 ta ble 12. v dd = 3. 3v rise /f all times for spe cific c lo ad rise/fall time typ (ns) drive strength \ c load 5 pf 15 pf 30 pf 45 pf 60 pf l 3.39 6.88 11.63 17.56 23.59 a 1.74 3.50 6.38 8.98 12.19 r 1.16 2.33 4.29 6.04 8.34 b 0.81 1.82 3.22 4.52 6.33 t or " \ ": d efa u l t 0.46 1.00 1.86 2.60 3.84 e 0.33 0.87 1.64 2.30 3.35 u 0.28 0.79 1.46 2.05 2.93 f 0.25 0.72 1.31 1.83 2.61
SIT9025 1 to 141 mhz emi reduction oscillator rev. 0.3 page 6 of 7 www.sitime.com dimensions and patterns package size ? dimensions (unit: mm) [8 ] recommended land pattern (unit: mm) [9 ] 2.0 x 1.6 x 0.75 mm 2.5 x 2.0 x 0.75 mm 2 . 5 0.05 2.0 0.05 1.1 1.00 0.75 0.5 0.75 0.05 yxxxx #1 #2 #4 #3 #2 #1 #3 #4 1 . 1 1 . 0 1 . 5 1 . 9 3.2 x 2.5 x 0.75 mm 3 . 2 0 . 05 2 . 5 0 . 05 2 . 1 0 . 9 0 . 7 0 . 9 0 . 75 0 . 05 # 1 # 2 # 4 # 3 # 2 # 1 # 3 # 4 yxxxx 2 . 2 1 . 9 1 . 4 1 . 2 notes: 8. top marking: y denotes manufacturing origin and xxxx denotes manufacturing lot number. the value of ?y? will depend on the assembly location of the device. 9. a capacitor of value 0.1 f or higher between vdd and gnd is required.
SIT9025 1 to 141 mhz emi reduction oscillator rev. 0.3 page 7 of 7 www.sitime.com ordering information the part no. guide is for reference only. to customize and build an exact part number, use the sitime part number generator . frequency 1.000000 to 150 .000000 mhz part family SIT9025 revision letter a is the revision temperature range supply voltage 18 for 1.8v 10% 25 for 2.5v 10% 28 for 2.8v 10% 33 for 3.3v 10% feature pin e for output enable s for standby n for no connect d for spread disablel frequency stability 1 for 20 ppm 2 for 25 ppm 3 for 50 ppm package size SIT9025aa - 71-18ea25.000625d 30 for 3.0v 10% packing method d: 8 mm tape & reel, 3ku reel e: 8 mm tape & ree l, 1ku reel blank for bulk xx for 2.5v -10% to 3.3v +10% output drive strength C default (datasheet limits) see tables 7 to 11 for rise/fall times 7 2.0 x 1.6 mm 1 2.5 x 2.0 mm 2 3.2 x 2.5 mm l a r b t e u f i industrial -40oc to 85oc e ext. industrial -40oc to 105oc a automotive -40 oc to 125oc m ext. automotive -55oc to 125oc spread type and profile - center spread & triangular (default) h center spread & hershey kiss r center spread & random d down spread & triangular g down spread & hershey kiss q down spread & random spread percentage [10] - no spread center: down: 0.125, -0.25 0.250, -0.50 0.390, -0.78 0.515, -1.04 0.640, -1.29 0.765, -1.55 0.905, -1.84 1.030, -2.10 1.155, -2.36 1.280, -2.62 1.420, -2.91 1.545, -3.18 1.670, -3.45 1.795, -3.71 1.935, -4.01 2.060, -4.28 for for for for for for for for for for for for for for for for a b c d e f g h i j k l m n o p notes: 10. contact sitime for availability of these spread options at - 40 to 105c, - 40 to 125c or - 55 to 125c temperature ranges
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