the smart timing choice ? the smart timing choice ? sitime corporation 990 almanor avenue, sunn yvale, ca 94085 (408) 328-4400 www.sitime.com rev. 1.05 revised october 6, 2014 SIT9122 220-625 mhz high performanc e differential oscillator features applications ? any frequency between 220 mhz and 625 mhz accurate to 6 decimal places ? 10gb ethernet, sonet, sata, sas, fibre channel, pci-express ? lvpecl and lvds output signaling types ? telecom, networking, instrumentation, storage, servers ? 0.6ps rms phase jitter (random) over 12 khz to 20 mhz bandwidth ? frequency stability as low as 10 ppm ? industrial and extended commercial temperature ranges ? industry-standard packages: 3.2x2.5, 5.0x3.2 and 7.0x5.0 mmxmm ? for frequencies lower than 220 mhz, refer to sit9121 datasheet electrical characteristics parameter and conditions symbol min. typ. max. unit condition lvpecl and lvds, common el ectrical characteristics supply voltage vdd 2.97 3.3 3.63 v 2.25 2.5 2.75 v 2.25 C 3.63 v termination schemes in figures 1 and 2 - xx ordering code output frequency range f 220 C 625 mhz frequency stability f_stab -10 C +10 ppm inclusive of initial tolerance, operating temperature, rated po wer supply voltage, and load variations -20 C +20 ppm -25 C +25 ppm -50 C +50 ppm first year aging f_aging1 -2 C +2 ppm 25c 10-year aging f_aging10 -5 C +5 ppm 25c operating temperature range t_use -40 C +85 c industrial -20 C +70 c extended commercial input voltage high vih 70% C C vdd pin 1, oe or st input voltage low vil C C 30% vdd pin 1, oe or st input pull-up impedance z_in C 100 250 k pin 1, oe logic high or logic low, or st logic high 2CCm pin 1, st logic low start-up time t_start C 6 10 ms measured from the time vdd reaches its rated minim um value. resume time t_resume C 6 10 ms in standby mode, measured from the time st pin crosses 50% threshold. duty cycle dc 45 C 55 % contact sitime for tighter duty cycle lvpecl, dc and ac characteristics current consumption idd C 61 69 ma excluding load termination current, vdd = 3.3v or 2.5 v oe disable supply current i_oe C C 35 ma oe = low output disable leakage current i_leak C C 1 ? a oe = low standby current i_std C C 100 ? a st = low, for all vdds maximum output current i_driver C C 30 ma maximum average current drawn from out+ or out- output high voltage voh vdd-1.1 C vdd-0.7 v see figure 1(a) output low voltage vol vdd-1.9 C vdd-1.5 v see figure 1(a) output differential voltage swing v_swing 1.2 1.6 2.0 v see figure 1(b) rise/fall time tr, tf C 300 500 ps 20% to 80%, see figure 1(a) oe enable/disable time t_oe C C 115 ns f = 220 mhz - for other frequencies, t_oe = 100ns + 3 period rms period jitter t_jitt C 1.2 1.7 ps f = 266 mhz, vdd = 3.3v or 2.5v C 1.2 1.7 ps f = 312.5 mhz, vdd = 3.3v or 2.5v C 1.2 1.7 ps f = 622.08 mhz, vdd = 3.3v or 2.5v rms phase jitter (random) t_phj C 0.6 0.85 ps f = 312.5 mhz, integration bandwidth = 12 khz to 20 mhz, all vdds lvds, dc and ac characteristics current consumption idd C 47 55 ma excluding load termination current, vdd = 3.3v or 2.5 v oe disable supply current i_oe C C 35 ma oe = low differential output voltage vod 250 350 450 mv see figure 2
the smart timing choice ? the smart timing choice ? SIT9122 220-625 mhz high performanc e differential oscillator rev. 1.05 page 2 of 8 www.sitime.com electrical characteristics (continued) parameter and conditions symbol min. typ. max. unit condition lvds, dc and ac characteristics (continued) output disable leakage current i_leak C C 1 ? a oe = low standby current i_std C C 100 ? a st = low, for all vdds vod magnitude change ? vod C C 50 mv see figure 2 offset voltage vos 1.125 1.2 1.375 v see figure 2 vos magnitude change ? vos C C 50 mv see figure 2 rise/fall time tr, tf C 495 600 ps 20% to 80%, see figure 2 oe enable/disable time t_oe C C 115 ns f = 220 mhz - for ot her frequencies, t_oe = 100ns + 3 period rms period jitter t_jitt C 1.4 1.7 ps f = 266 m hz, vdd = 3.3v or 2.5v C 1.4 1.7 ps f = 312.5 mhz, vdd = 3.3v or 2.5v C 1.2 1.7 ps f = 622.08 mhz, vdd = 3.3v or 2.5v rms phase jitter (random) t_phj C 0.6 0.85 ps f = 312.5 mhz, integration bandwidth = 12 khz to 20 mhz, all vdds pin description pin map functionality 1 oe input h or open: specified frequency output l: output is high impedance st input h or open: specified frequency output l: device goes to sleep mode. supply current reduces to i_std. 2nc na no connect; leave it floating or connect to gnd for better heat dissipation 3 gnd power vdd power supply ground 4 out+ output oscillator output 5 out- output complementary oscillator output 6 vdd power power supply voltage absolute maximum attempted operation outside the absolute maximum ratings of the part may cause permanent damag e to the part. actual perfor- mance of the ic is only guaranteed withi n the operational speci fications, not at absolute maximum ratings. parameter min. max. unit storage temperature -65 150 c vdd -0.5 4 v electrostatic discharge (hbm) C 2000 v soldering temperature (follow standard pb free soldering guidel ines) C260c thermal consideration package ? ja, 4 layer board (c/w) ? jc, bottom (c/w) 7050, 6-pin 142 27 5032, 6-pin 97 20 3225, 6-pin 109 20 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 @ 260c 4 3 1 6 gnd vdd out+ 5 2 nc out- oe/st top view
the smart timing choice ? the smart timing choice ? SIT9122 220-625 mhz high performanc e differential oscillator rev. 1.05 page 3 of 8 www.sitime.com waveform diagrams figure 1(a). lvpecl vo ltage levels per diffe rential pin (out+/o ut-) figure 1(b). lvpecl voltage le vels across di fferential pair figure 2. lvds voltage levels per differential pin (out+/out-) out+ out- gnd tr tf 20% 80% 20% vol 80% voh 0 v t v_ swing out+ out- gnd tr tf 20% 80% 20% vos 80% vod
the smart timing choice ? the smart timing choice ? SIT9122 220-625 mhz high performanc e differential oscillator rev. 1.05 page 4 of 8 www.sitime.com termination diagrams lvpecl: z0 = 50 ? z0 = 50 ? d+ d- out+ out- 50 ? vtt = vdd C 2.0 v lvpecl driver receiver device 50 ? vdd figure 3. lvpecl ty pical termination d+ d- out+ out- lvpecl driver receiver device z0 = 50 ? z0 = 50 ? r1 50 ? 50 ? r1 vtt 100 nf 100 nf vdd vdd= 3.3v => r1 = 100 to 150 ? vdd= 2.5v => r1 = 75 ? ? z0 = 50 ? z0 = 50 ? d+ d- out+ out- lvpecl driver receiver device r1 r2 r3 r4 vdd vdd = 3.3v => r1 = r3 = 133 ? and r2 = r4 = 82 ? vdd = 2.5v => r1 = r3 = 250 ? and r2 = r4 = 62.5 ? vdd figure 5. lvpecl with th evenin typica l termination
the smart timing choice ? the smart timing choice ? SIT9122 220-625 mhz high performanc e differential oscillator rev. 1.05 page 5 of 8 www.sitime.com lvds: figure 6. lvds single termination (load terminated) z0 = 50 ? z0 = 50 ? d+ d- out+ out- 100 ? lvds driver receiver device vdd
the smart timing choice ? the smart timing choice ? SIT9122 220-625 mhz high performanc e differential oscillator rev. 1.05 page 6 of 8 www.sitime.com notes: 1. top marking: y denotes manufacturing origin and xxxx denotes manufacturing lot number. the value of y will depend on the a ssembly location of the device. 2. a capacitor of value 0.1 ? f between vdd and gnd is recommended. dimensions and patterns package size C dimensions (unit: mm) [1] recommended land pattern (unit: mm) [2] 3.2 x 2.5x 0.75 mm 5.0 x 3.2 x 0.75 mm 7.0 x 5.0x 0.90 mm 0.750.05 yxxxx 0.9 #2 #5 #2 #5 #1 #3 #4 #6 #1 #3 #4 #6 3.20.05 2.50.05 0.7 0.6 2.20 1.05 0.65 1.00 2.25 1.6 0.750.05 yxxxx 1.20 #2 #5 #2 #5 #1 #3 #4 #6 #1 #3 #4 #6 5.00.10 1.40 1.10 5.08 7.00.10 2.60 #1 #3 #6 #4 #1 #3 #6 #4 0.90 0.10 #2 #5 #2 #5 yxxxx 5.08 1.60 1.60 3.80
the smart timing choice ? the smart timing choice ? SIT9122 220-625 mhz high performanc e differential oscillator rev. 1.05 page 7 of 8 www.sitime.com ordering information frequencies not supported range 1: from 251.000001 mhz to 263.999999 mhz range 2: from 314.000001 mhz to 422.999999 mhz range 3: from 502.000001 mhz to 527.999999 mhz ordering codes for supported tape & reel packing method device size 8 mm t&r (3ku) 8 mm t&r (1ku) 8 mm t&r (250u) 12 mm t&r (3ku) 12 mm t&r (1ku) 12 mm t&r (250u) 16 mm t&r (3ku) 16 mm t&r (1ku) 16 mm t&r (250u) 7.0 x 5.0 mmCCCCCCtyx 5.0 x 3.2 mm C C C t y x C C C 3.2 x 2.5 mm d e g t y x C C C SIT9122ac - frequency part family SIT9122 revision letter a is the revision of silicon temperature range i industrial, -40 to 85 c packaging: t, y, x, d, e or g refer to table below for packing method package size frequency stability c extended commercial, -20 to 70 c signalling type feature pin e for output enable s for standby leave blank for bulk 25 for 2.5v 10% 33 for 3.3v 10% xx for 2.25v to 3.63v b 3.2 x 2.5 mm x mm c 5.0 x 3.2 mm x mm d 7.0 x 5.0 mm x mm 1 = lvpecl 2 = lvds f for 10 ppm 1 for 20 ppm 2 for 25 ppm 3 for 50 ppm voltage supply 220.000000 mhz to 625.000000 mhz 1c2-33e220.1 23456t
rev. 1.05 page 8 of 8 www.sitime.com ? sitime corporation 2014. the information contained herein is subject to change at any time without notice. sitime assumes no responsibility or liability for any loss, damage or defect of a product which is caused in whole or in part by (i) use of any c ircuitry other than circuitry embodied in a sitime product, (ii ) misuse or abuse including static discharge, neglect or accide nt, (iii) unauthorized modification or repairs which have been soldered o r altered during assembly and are not capable of being tested b y sitime under its normal test conditions, or (iv) improper installation, storage, handling, warehousing or transportation, or (v) being subjected to unusu al physical, thermal, or electr ical stress. disclaimer: sitime makes no warranty of any kind, express or implied, wit h regard to this material, and specifically disclaims any and a ll express or implied warranties, either in fact or by operation of law, statutory or otherwise, including the implied warranties of merchantability and fitness for use or a particu lar purpose, and any implied warranty arising from course of de aling or usage of trade, as well as any common-law duties relating to ac curacy or lack of negligence, with respect to this material, an y sitime product and any product documentation. products sold b y sitime are not suitable or inten ded to be used in a life suppor t application or component, to operate nuclear facilities, or i n other mission critical applicat ions where human life may be i nvolved or at stake. all sales are made conditioned upon compliance wit h the critical uses policy set forth below. critical use exclusion policy buyer agrees not to use sitime's products for any application o r in any components used in life support devices or to operate nuclear facilities or for use in other mission-criti cal applications or components where human life or property may be at stake. sitime owns all rights, title and interest to the intellectual property related to sitime's products, including any software, firmware, copyright, patent, or trademark. the sale of sitime p roducts does not convey or imply any license under patent or other righ ts. sitime retains the copyright and trademark rights in all do cuments, catalogs and plans supplied pursuant to or ancillary t o the sale of products or services by sitime. unless otherwise agreed to in writing by sitime, any re production, modification, trans lation, compilation, or representation of this material shall b e strictly prohibited. the smart timing choice ? the smart timing choice ? 220-625 mhz high performance differential oscillator SIT9122 revision history version release date change summary 1.01 2/20/13 original 1.02 12/3/13 added input specifications, lvpecl/lvds waveforms, p ackaging t&r options 1.03 2/6/14 added 8mm t&r option and 10 ppm 1.04 7/23/14 include thermal consideration table 1.05 10/6/14 modified thermal consideration values
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