VC-820 cmos crystal oscillator vectrons VC-820 crystal oscillator (xo) is a quartz stabilized square wave generator with a cmos output. the VC-820 uses a fun damental or a 3rd overtone crystal, oscillating in a fundamental tone, resulting in very low jitter performance, and a monolithic ic which improv es reliability and reduces cost. cmos output xo ? output frequencies from 625khz to 133.000 mhz ? 3.3v, 2.5 v and 1.8v operation ? fundamental oscillator with low jitter performance ? output disable feature ? -10/70c or -40/85c operating temperature ? small industry standard package, 2.5x3.2.x1.0mm ? product is compliant to rohs directive ? and fully compatible with lead free assembly features applications block diagram description VC-820 sonet/sdh/dwdm ? ethernet, ge, synche ? storage area networking ? fiber channel ? digital video ? broadband access ? base stations, picocells ? vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page1 v dd output gnd oscillator crystal e/d
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page2 performance speci cations table 1. electrical performance, 3.3v option parameter symbol min typical maximum units supply voltage 1 v dd 3.15 3.3 3.45 v maximum voltage -0.5 5 v current 2 20.000mhz 20.000 to 39.999mhz 40.000 to 49.999mhz 50.000 to 79.999mhz 80.000 to 99.999mhz 100.000 to 133.000mhz i dd 6 7 8 9 10 40 ma current, output disabled 5 ua frequency nominal frequency 3 f n 0.625 133.000 mhz stability 4 , (ordering option) 25, 50, 100 ppm outputs output logic levels 2 , <40mhz output logic high output logic low output logic high drive output logic low drive v oh v ol i oh i ol 0.9*v dd 4 4 0.1*v dd v v ma ma output logic levels 2 , 40-99.99mhz output logic high output logic low output logic high drive output logic low drive v oh v ol i oh i ol v dd -0.4 4 4 0.4 v v ma ma output logic levels 2 , 100-133.000mhz output logic high output logic low output logic high drive output logic low drive v oh v ol i oh i ol 2.3 8 8 0.4 v v ma ma load i out 15 pf output rise /fall time 2 t r /t f 4ns duty cycle 2 , 5 45 50 55 % period jitter 6 rms peak-peak random jitter deterministic jitter j 2.4 20.2 2.4 0 ps rms jitter, 12k-20mhz, 125mhz j 0.061 0.3 ps enable/disable output enable/disable 7 output enable output disable v ih v il 0.7*v dd 0.3*v dd v v disable time t d 150 ns start-up time t su 5ms operating temp, (ordering option) t op -10/70 or -40/85 c speci cations the power supply should have by-pass capacitors as close to the supply and to ground as possible, for example 0.1 and 0.01uf. 1] parameters are tested with the test circuit shown figure 1. 2] see standard frequencies and ordering information tables for more speci c information. 3] includes initial accuracy, operating t emperature, supply voltage, shock and vibr ation (not under operation) and aging. 4] duty cycle is measured as on time/period, see fig 2. 5] broadband period jitter measured using wavecrest sia3300c, 90k samples. 6] the output is enabled if the enable/disable is left open. 7]
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page3 performance speci cations table 2. electrical performance, 2.5v option parameter symbol min typical maximum units supply voltage 1 v dd 2.375 2.5 2.625 v maximum voltage -0.5 5 v current 2 20.000mhz 20.000 to 39.999mhz 40.000 to 79.999mhz 80.000 to 99.999mhz 100.000 to 133.000mhz i dd 4.5 5.5 7 7.5 30 ma current, output disabled 5 ua frequency nominal frequency 3 f n 0.625 125.000 mhz stability 4 , ( ordering option) 25, 50, 100 ppm outputs output logic levels 2,3 , <40mhz output logic high output logic low output logic high drive output logic low drive v oh v ol i oh i ol 0.9*v dd 4 4 0.1*v dd v v ma ma output logic levels 2 , 40-99.99mhz output logic high output logic low output logic high drive output logic low drive v oh v ol i oh i ol v dd -0.4 4 4 0.4 v v ma ma output logic levels 2 , 100-125.000mhz output logic high output logic low output logic high drive output logic low drive v oh v ol i oh i ol 1.65 8 8 0.4 v v ma ma load i out 15 pf output rise /fall time 2 t r /t f 4ns duty cycle 2,5 45 50 55 % period jitter 6 , 125.000mhz rms peak-peak random jitter deterministic jitter j 2.4 20.2 2.4 0 ps rms jitter, 12k-20mhz, 125.000mhz j 0.061 0.3 ps enable/disable output enable/disable 7 output enable output disable v ih v il 0.7*v dd 0.3*v dd v v disable time t d 150 ns start-up time t su 5ms operating temp, (ordering option) t op -10/70 or -40/85 c speci cations the power supply should have by-pass capacitors as close to the supply and to ground as possible, for example 0.1 and 0.01uf. 1] parameters are tested with the test circuit shown figure 1. 2] see standard frequencies and ordering information tables for more speci c information. 3] includes initial accuracy, operating t emperature, supply voltage, shock and vibr ation (not under operation) and aging. 4] duty cycle is measured as on time/period, see fig 2. 5] broadband period jitter measured using wavecrest sia3300c, 90k samples. 6] the output is enabled if the enable/disable is left open. 7]
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page4 performance speci cations table 3. electrical performance, 1.8v option parameter symbol min typical maximum units supply voltage 1 v dd 1.78 1.8 1.82 v maximum voltage -0.5 3.6 v current 2 40.000mhz 40.000 to 49.999mhz 50.000 to 79.999mhz 80.000 to 99.999mhz 100.0000 to 125.000mhz i dd 2.5 3.5 6.5 7 20 ma current, output disabled 10 ua frequency nominal frequency 3 f n 0.625 125.000 mhz stability 4 , (ordering option) 25, 50, 100 ppm outputs output logic levels 2,3 , <40.000mhz output logic high output logic low output logic high drive output logic low drive v oh v ol i oh i ol 0.9*v dd 2.8 2.8 0.1*v dd v v ma ma output logic levels 2,3 , 40.00-99.99mhz output logic high output logic low output logic high drive output logic low drive v oh v ol i oh i ol v dd -0.4 4 4 0.4 v v ma ma load i out 15 pf output rise /fall time 2 t r /t f 5ns duty cycle 2,5 45 50 55 % period jitter 6 rms peak-peak random jitter deterministic jitter j 2.4 20.2 2.4 0 ps rms jitter, 12khz-20mhz, 62.500mhz j 0.4 0.9 ps enable/disable output enable/disable 7 output enable output disable v ih v il 0.7*v dd 0.3*v dd v v disable time t d 150 ns start-up time t su 5ms operating temp, ordering option t op -10/70 or -40/85 c the power supply should have by-pass capacitors as close to the supply and to ground as possible, for example 0.1 and 0.01uf. 1] parameters are tested with the test circuit shown figure 1. 2] see standard frequencies and ordering information tables for more speci c information. 3] includes initial accuracy, operating t emperature, supply voltage, shock and vibr ation (not under operation) and aging. 4] duty cycle is measured as on time/period, see fig 2. 5] broadband period jitter measured using wavecrest sia3300c, 90k samples. 6] the output is enabled if the enable/disable is left open. 7]
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page5 typical characteristics - phase noise and gain curve outline drawing & pad layout table 4. pin out pin symbol function 1 e/d enable disable 2 gnd case and electrical ground 3 output output 4 v dd power supply voltage dimensions in mm f r e q u e n c y frequency d a t e c o d e date code reliability vi quali cation will include aging at various extreme temperatur es, shock and vibration, temperature cycling, and ir re ow simulation. the VC-820 family is capable of meeting the following quali cation tests: table 4. environmental compliance parameter conditions mechanical shock mil-std-883, method 2002 mechanical vibration mil-std-883, method 2007 solderability mil-std-883, method 2003 gross and fine leak mil-std-883, method 1014 resistance to solvents mil-std-883, method 2015 moisture sensitivity level msl 1 contact pads gold over nickel table 5. esd ratings model minimum conditions human body model 1500v mil-std-883, method 3015 charged device model 1000v jesd22-c101 although esd protection circuitry has been designed into the VC-820 proper precautions should be taken when handling and mounting. vi employs a human body model (hbm) and a charged device model (cdm) for esd susceptibility testing and design protection evaluation. 1.0 1.3 1.1 0.8 1.2max i dd v dd 15pf 4 12 3 .1f .01f + + t r t f v oh v ol 50% on time period fig 2: waveform fig 1: test circuit
table 7. re ow pro le parameter symbol value preheat time ts-min ts-max t s 60 sec min, 260 sec max 150c 200c ramp up r up 3 c/sec max time above 217 c t l 60 sec min, 150 sec max time to peak temperature t amb-p 480 sec max time at 260 c t p 30 sec max ramp down r dn 6 c/sec max vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page6 table 8 . tape and reel dimensions tape dimensions (mm) reel dimensions (mm) dimension w f do po p1 a b c d n w1 w2 # per reel tolerance typ typ typ typ typ typ min typ min min typ max VC-820 8 3.5 1.5 4 4 178 2 13 21 60 10 14 1000 ir re ow the VC-820 is quali ed to meet the jedec standard for pb-free assembly. the temperatures and time intervals listed are based on the pb-free small body requirements. the VC-820 device is hermetically sealed so an aqueous wash is not an issue. tape and reel table 6. absolute maximum ratings parameter symbol ratings unit storage temperature t s -55 to 125 c soldering temp/time t ls 260 / 30 c / sec stresses in excess of the absolute maximum ratings can permanently damage the device. functional operation is not implied at these or any other conditions in excess of conditions represented in the operational sections of this datasheet. exposure to absolute maximum ratings for extended periods may adversely a ect device reliability. permanent damage is also possible if e/d is applied before v dd .
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page7 table 9. standard output frequencies (mhz) 10.000 13.000 16.000 16.3676 16.384 16.800 18.432 19.200 20.000 20.945 21.250 21.757 22.1184 23.920 24.000 24.553 25.000 26.000 27.000 28.500 28.665 29.4912 30.000 32.000 33.000 38.13986 39.000 40.000 44.000 48.000 80.000 100.000 106.250 125.000 ordering information disclaimer vectron international reserves the right to make changes to the product(s) and or information contained herein without notice. no liability is assumed as a result of their use or application. no rights under any patent accompany the sale of any such product(s) or information. rev: 09/24/2010 for additional information, please contact usa: vectron international 267 lowell road hudson, nh 03051 tel: 1.888.328.7661 fax: 1.888.329.8328 europe: vectron international landstrasse, d-74924 neckarbischofsheim, germany tel: +49 (0) 3328.4784.17 fax: +49 (0) 3328.4784.30 asia: vi shanghai 1589 century avenue, the 19th floor chamtime international financial center shanghai, china tel: 86.21.6081.2888 fax: 86.21.6163.3598 VC-820- e a w- k a a n- xxmxxxxxxx product crystal oscillator output a: cmos load a: 15pf frequency in mhz *note: not all combination of options are available. other speci cations may be available upon request. temp range w: -10/70c e: -40/85c custom options n: standard option stability f: 25ppm k: 50ppm s: 100ppm enable/disable a: enable/disable, enable high power supply e: +3.3vdc h: +2.5vdc j: +1.8vdc package 2.5x3.2 ceramic example: VC-820-eaw-kaan-125m00000
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