1 srs383 series rateselect? 3.3v pecl low jitter crystal clock oscillator (xo) ds 267 rev a | 06/23/06 pericom semiconductor corporation ? 1-800-435-2336 ? http://www.pericom.com/saronix all specifications are subject to change without notice. product features ? rateselect? function toggles output frequency between primary and primary/2 ? less than 1 ps rms jitter with advanced non-pll, patented design (u.s. patent #7002423) ? tight stability over a broad range of operating conditions ? 3.3v pecl (lvpecl) compatible logic levels ? pin-compatible with standard 7 x 5mm packages ? designed for standard reflow and washing techniques ? rohs compliant** (**per #7, annex of directive 2002/ec/05) product description the srs383 series is a 3.3v crystal clock oscillator that achieves superb jitter and stability over a broad range of operating conditions and frequencies. the output clock signal, generated internally with a patented oscillator design, is compatible with lvpecl logic levels. the device contains a divide-by-2 rateselect? function that toggles the output frequency and is available on tape and reel, is contained in a 7x5mm surface-mount ceramic package. applications the srs383 series is an ideal reference clock for high- speed applications requiring low jitter, including: ? 1/10 gigabit ethernet ? 2/4/10g fibrechannel ? serial attached scsi (sas) ? server & storage platforms ? sonet/sdh linecards ? passive optical network (pon) systems common frequencies (primary) contact saronix for additional frequencies 100.0000 mhz 106.2500 mhz 125.0000 mhz 133.0000 mhz 148.3516 mhz 148.5000 mhz 150.0000 mhz 155.5200 mhz 156.2500 mhz 159.3750 mhz 160.0000 mhz 187.5000 mhz 198.0000 mhz 200.0000 mhz 212.5000 mhz ordering information packaging outline actual size = 7 x 5mm pin functions pin function 1 oe or nc 2 rs (rateselect?) 3 v ee 4 q output 5 q output 6 v cc #2 #1 2.00 .079 max #3 #5 #6 #4 7.000.15 .276.006 5.000.15 .197.005 output enable/disable function 0 = n/c pin 1 3 = oe pin 1 saronix product series s rs383 3 b - 212.5000 (t) output frequency (mhz) frequency stability a = 25 ppm (-10 to +70c) b = 50 ppm (-10 to +70c) e = 50 ppm (-40 to +85c) *others available, please inquire packaging (t) = t ape & reel full reel increments blank = bulk packaged
2 ds 267 rev a | 06/23/06 srs383 series rateselect? 3.3v pecl low jitter crystal clock oscillator (xo) pericom semiconductor corporation ? 1-800-435-2336 ? http://www.pericom.com/saronix all specifications are subject to change without notice. electrical performance parameter min. typ. max. units notes output frequency 100 212.50 mhz primary output frequency, as specifed supply voltage 2.97 3.3 3.63 v supply current 50 60 ma output enabled supply current 15 ma output disabled frequency stability 25 to 50 ppm see note 1 below operating temperature -40 +85 c as specifed output logic 0, v ol v cc C 1.620 v 0 to +85c output logic 0, v ol v cc C 1.555 v -40 to 0c output logic 1, v oh v cc C 1.025 v 0 to +85c output logic 1, v oh v cc C 1.085 v -40 to 0c output load 50 to v cc C 2v output requires termination duty cycle 45 55 % measured 50% of waveform rise and fall time 500 850 ps measured 20/80% of waveform jitter, phase 1 ps rms (1-) 12khz to 40mhz frequency band jitter, total 40 ps pk-pk 100,000 random periods notes: 1. as specifed. stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration tolerance (25c), aging (5 years at 40c average effective ambient temperature), shock and vibration. output enable / disable function parameter min. typ. max. units notes input voltage (oe pin), output enable 2.2 v or open input voltage (oe pin), output disable 0.8 v outputs disabled to hi-z internal pullup resistance 50 k output disable delay 200 ns output enable delay 10 ms rateselect? function parameter min. typ. max. units notes input voltage (rs pin), primary 2.0 v or open internal pullup resistance 50 k input voltage (rs pin), primary/2 0.8 v output is primary frequency divided by 2
3 ds 267 rev a | 06/23/06 srs383 series rateselect? 3.3v pecl low jitter crystal clock oscillator (xo) pericom semiconductor corporation ? 1-800-435-2336 ? http://www.pericom.com/saronix all specifications are subject to change without notice. typical phase noise typical output waveform ??? ??? ??? ??? ??? ???? ???? ???? ???? ???? ???? ???? ??? ?? ??? ???? ?? ??? ????
4 ds 267 rev a | 06/23/06 srs383 series rateselect? 3.3v pecl low jitter crystal clock oscillator (xo) pericom semiconductor corporation ? 1-800-435-2336 ? http://www.pericom.com/saronix all specifications are subject to change without notice. test circuit absolute maximum ratings parameter min. typ. max. units notes storage temperature -55 +125 c reliability test ratings this product is rated to meet the following test conditions: type parameter test condition mechanical shock mil-std-883 method 2002 condition b mechanical solderability jesd22-b102-d method 2 (preconditioning e) mechanical terminal strength mil-std-883, method 2004, condition d mechanical gross leak mil-std-883, method 1014, condition c mechanical fine leak mil-std-883, method 1014, condition a2 (r 1 = 2x10 -8 atm cc/s) mechanical solvent resistance mil-std-202, method 215 environmental thermal shock mil-std-883, method 1011, condition a environmental moisture resistance mil-std-883, method 1004 environmental vibration mil-std-883, method 2007, condition a environmental resistance to soldering heat j-std-020c table 5-2 pb-free devices (2 cycles max) 6 5 4 1 2 3 50 ? 50 ? test point (termination internal to scope) 0.01f 0.1f +2v -1.3v 6 5 4 1 2 3 50 ? 50 ? test point (termination internal to scope) 0.1f +2v -1.3v 0.01f 0.1f 0.01f output enable/disable function rate select function
5 ds 267 rev a | 06/23/06 srs383 series rateselect? 3.3v pecl low jitter crystal clock oscillator (xo) pericom semiconductor corporation ? 1-800-435-2336 ? http://www.pericom.com/saronix all specifications are subject to change without notice. output waveform refow soldering profle v o l v o h 5 0 % 2 0 % 8 0 % t f t r d u t y c y c l e = 1 0 0 % x ( t a ) / ( t a + t b ) t a t b p e a k 2 6 0 c f o r 1 0 s e c m a x 2 6 0 t e m p e r a t u r e C c 1 t o 3 c / s e c m a x 6 0 t o 9 0 s e c t i m e 1 t o 3 c / s e c 2 1 7 4 t o 6 m i n u t e s m a x as per ipc/jedec j-std-020c
6 ds 267 rev a | 06/23/06 srs383 series rateselect? 3.3v pecl low jitter crystal clock oscillator (xo) pericom semiconductor corporation ? 1-800-435-2336 ? http://www.pericom.com/saronix all specifications are subject to change without notice. mechanical drawings marking line 1: srs383 x (saronix, model, stability code) marking line 2: frequency (frequency code) marking line 3: y y ww x (pin 1, year, week, origin) scale: none. dimensions are in mm/inches. recommended land pattern* *external high-frequency power decoupling is recommended.(see test circuit for minimum recom - mendation). to ensure optimal performance, do not route traces beneath the package. ** exact location of markings may vary
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