1 s1577 series 3.3v pecl high-frequency voltage-controlled crystal oscillator (vcxo) ds 234 rev c | 06/19/06 pericom semiconductor corporation ? 1-800-435-2336 ? http://www.pericom.com/saronix all specifications are subject to change without notice. product features ? frequencies available up to 670 mhz ? less than 3ps rms jitter ? lvpecl compatible output ? commercial and industrial operation ? 20 ppm stability (or as specified) ? 50 ppm absolute (net) pull range ? pin compatible with standard 7 x 5mm packages ? designed for standard reflow and washing techniques ? pb-free & rohs/green compliant product description the s1577 is a voltage controlled crystal oscillator that achieves superb temperature stability over a broad range of operating conditions and frequencies. the device is constructed with a hermetically sealed quartz crystal resonator exhibiting a high-q for exceptional performance. the device, available on tape and reel, is contained in a 7 x 5mm surface mount ceramic package. applications the s1577 series vcxo is an ideal component in phase locked loop circuits that perform clock smoothing, clock/data recovery, or frequency translation and card synchronization functions, such as: ? sonet/sdh/dwdm/e4 timing control & line cards ? 1 & 10 gigabit ethernet and fibrechannel ? satellite, microwave and cellular base stations ? server & storage platforms common frequencies contact saronix for additional frequencies (see sel383 for 38 to 212 mhz) 19.4400 54.0000 77.7600 106.2500 108.0000 125.0000 139.2640 155.5200 156.2500 161.1328 167.3316 250.0000 312.5000 622.0800 625.0000 644.5312 666.5143 669.3266 s 1577 e a b - 155.5200 (t) stability tolerance aa = 20ppm, 0 to +70c a = 25ppm, 0 to +70c b = 50 ppm, 0 to +70c e = 50 ppm, -40 to +85c d = 25 ppm, -40 to +85c saronix model frequency (mhz) pullability (minimum apr) a = 50 ppm linearity b = 10% packaging blank = bulk packaged (t) = tape & reel* *full reel increments only (500pcs) ordering information full mechanical drawings page 7. dimensions are in mm/inches. package outline actual size = 7 x 5mm pin functions pad function 1 control voltage 2 output enable/disable 3 ground 4 q output 5 q output 6 supply voltage #2 #1 2.00 .079 max #3 #5 #6 #4 7.000.15 .276.006 5.000.15 .197.005
2 ds 234 rev c | 06/19/06 s1577 series 3.3v pecl high-frequency voltage-controlled crystal oscillator (vcxo) pericom semiconductor corporation ? 1-800-435-2336 ? http://www.pericom.com/saronix all specifications are subject to change without notice. frequency modulation (control voltage) function parameter min. typ. max. units notes absolute pull range (apr) 50 ppm see #1 below control voltage range 0.3 3.0 v dc as rated center control voltage 1.32 1.65 1.98 v for rmt nominal frequency f n monotonic linearity 10 % positive transfer slope input impedance 50 k control voltage pin modulation bandwidth 10 khz -3db notes: 1. apr is relative to the nominal output frequency f n (as specifed); apr is inclusive (net) of frequency deviation due to stability. electrical performance parameter min. typ. max. units notes output frequency (f n ) 19.44 670 mhz as specifed supply voltage 3.14 3.3 3.46 v supply current 85 110 ma frequency stability 20 to 50 ppm see note 1 below operating temperature -40 +85 c as specifed output logic 0, v ol v cc - 1.620 v 0 to +85?c output logic 0, v ol v cc - 1.555 v -40 to +0?c output logic 1, v oh v cc - 1.025 v 0 to +85?c output logic 1, v oh v cc - 1.085 v -40 to +0?c output load 50? to v cc - 2v output requires termination duty cycle 45 55 % measured 50% of waveform rise and fall time 850 ps measured 20/80% of waveform jitter, phase 3 ps rms (1-) 12khz to 40mhz frequency band jitter, accumulated 10 ps rms (1-) 20,000 adjacent periods spurious or subharmonies -50 dbc f n 350 mhz -40 dbc f n > 350 mhz notes: 1. as specifed. stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, shock and vibra - tion. stability is inclusive of 5 years aging at 40c average ef fective ambient temperature for ordering options a, b, d, e.
3 ds 234 rev c | 06/19/06 s1577 series 3.3v pecl high-frequency voltage-controlled crystal oscillator (vcxo) pericom semiconductor corporation ? 1-800-435-2336 ? http://www.pericom.com/saronix all specifications are subject to change without notice. output enable / disable function parameter min. typ. max. units notes input voltage, output enable (pin 2) v ol v or open input voltage, output disable (pin2) v oh v q and q outputs disable to high impedance typical phase noise typical stability characteristics
4 ds 234 rev c | 06/19/06 s1577 series 3.3v pecl high-frequency voltage-controlled crystal oscillator (vcxo) pericom semiconductor corporation ? 1-800-435-2336 ? http://www.pericom.com/saronix all specifications are subject to change without notice. typical supply current typical pull characteristics
5 ds 234 rev c | 06/19/06 s1577 series 3.3v pecl high-frequency voltage-controlled crystal oscillator (vcxo) pericom semiconductor corporation ? 1-800-435-2336 ? http://www.pericom.com/saronix all specifications are subject to change without notice. typical output waveform absolute maximum ratings parameter min. typ. max. units notes storage temperature -55 +105 c control voltage range 0 v cc v test circuit voltage control function output enable/disable function 6 5 4 1 2 3 50 ? 50 ? test point (termination internal to scope) +2.0v -1.3v z = 50 ? 0.1f 0.01f 0.1f 0.01f
6 ds 234 rev c | 06/19/06 s1577 series 3.3v pecl high-frequency voltage-controlled crystal oscillator (vcxo) pericom semiconductor corporation ? 1-800-435-2336 ? http://www.pericom.com/saronix all specifications are subject to change without notice. output waveform v ol v oh 50% 20% 80% t f t r duty cycle = 100% x (t a ) / (t a + t b ) t a t b reliability test ratings this product is rated under 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) solder refow guide 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
7 ds 234 rev c | 06/19/06 s1577 series 3.3v pecl high-frequency voltage-controlled crystal oscillator (vcxo) 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: s1577 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 please note: in 2005, ceramic package design changed to allow pin #1 size decrease as shown. some older lot codes may be built with the prior package, in which case pin #1 is 1.4 x 1.6 mm max.
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