vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com vc-806 lvpecl, lvds crystal oscillator data sheet vectrons vc-806 crystal oscillator is a quartz stabilized, di erential output oscillator, operating o either a 2.5 or 3.3 volt supply in a hermetically sealed 3.2x5 ceramic package. ultra low jitter performance, fundamental or 3rd ot crystal design ? output frequencies to 320.000mhz ? <0.7 ps rms jitter, 12khz-20mhz ? di erential output ? enable/disable ? -10/70c or -40/85c operation ? hermetically sealed 3.2x5 ceramic package ? product is compliant to rohs directive ? and fully compatible with lead free assembly storage area networking ? telecom ? ethernet, ge, synche ? fiber channel ? pon ? driving a/ds, d/as, fpgas ? test and measurement ? medical ? cots ? features applications block diagram description vc-806 v dd output e/d or nc gnd oscillator crystal e/d or nc complementary output page1
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com performance speci cations 1. the vc-806 power supply pin should be ltered, eg, a 0.1 and 0.01uf capacitor. 2. see standard frequencies and ordering information for more information. 3. includes calibration tolerance, oper ating temperature, supply voltage variations, aging and ir re ow. 4. figure 2 de nes these parameters and figure 1 de nes the test circuit. 5. duty cycle is de nes as the on/time period. 6. measured using an agilent e5052, 156.25mhz. 7. measured using a wavecrest sia3300c, 90k samples. 8. outputs will be enabled if enable/disable is left open. table 1. electrical performance, lvpecl option parameter symbol min typ max units supply voltage 1 v dd 3.135 2.375 3.3 2.5 3.465 2.625 v current (no load) i dd 50 75 ma frequency nominal frequency 2 f n 25 320.000 mhz stability 2,3 (ordering option) 25, 50, 100 ppm outputs output logic levels 4 , -10/70c output logic high output logic low v oh v ol v dd -1.025 v dd -1.810 v dd -0.880 v dd -1.620 v output logic levels 4 , -40/85c output logic high output logic low v oh v ol v dd -1.085 v dd -1.830 v dd -0.880 v dd -1.555 v output rise and fall time 4 rise time fall time t r t f 600 600 ps ps load 50 ohms into v dd -1.3v duty cycle 5 45 50 55 % jitter (12 khz - 20 mhz bw) 6 j 0.3 0.7 ps period jitter 7 rms p/p random jitter deterministic jitter j r j d j 2.6 23 2.6 <0.2 ps ps ps ps enable/disable output enabled 8 output disabled v ih v il 0.7*v dd 0.3*v dd v v enable/disable time t d 200 ns enable/disable leakage current 200 ua enable pull-up resistor output enabled output disabled 33 1 kohm mohm start-up time t su 10 ms operating temp. (ordering option) t op -10/70 or -40/85 c package size 3.2x5.0x1.3 mm page2
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com performance speci cations 1. the vc-806 power supply pin should be ltered, eg, a 0.1 and 0.01uf capacitor. 2. see standard frequencies and ordering information for more information. 3. includes calibration tolerance, oper ating temperature, supply voltage variations, aging and ir re ow. 4. figure 2 de nes these parameters and figure 3 de nes the test circuit. 5. duty cycle is de nes as the on/time period. 6. measured using an agilent e5052, 156.250mhz. 7. measured using a wavecrest sia3300c, 90k samples. 8. outputs will be enabled if enable/disable is left open. table 2. electrical performance, lvds option parameter symbol min typ max units supply voltage 1 v dd 3.135 2.375 3.3 2.5 3.465 2.625 v current (no load) i dd 60 ma frequency nominal frequency 2 f n 80 320.000 mhz stability 2,3 (ordering option) 25, 50, 100 ppm outputs output logic levels 4 output logic high output logic low v oh v ol 0.9 1.43 1.10 1.6 v output swing 247 330 454 mv di erential output swing 494 660 908 mv di erential output error 50 mv o set voltage 1.125 1.25 1.375 v o set voltage error 50 mv output leakage current 10 ua output rise and fall time 4 rise time fall time t r /t f 600 600 ps ps load 100 ohms di erential duty cycle 5 45 50 55 % jitter (12 khz - 20 mhz bw) 6 j 0.35 0.8 ps period jitter 7 rms p/p random jitter deterministic jitter j r j d j 2.9 25.1 2.9 <0.2 ps ps ps ps enable/disable output enabled 8 output disabled v ih v il 0.7*v dd 0.3*v dd v v enable/disable time t d 200 ns enable/disable leakage current 200 ua enable pull-up resistor output enabled output disabled 33 1 kohm mohm start-up time t su 10 ms operating temp. (ordering option) t op -10/70 or -40/85 c package size 3.2x5.0x1.3 mm page3
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com package and pinout 1 6 23 54 1.3 max 3.20.2 5.00.2 0.64 2.2 2.54 1.27 1.0 0.9 2.2 1.4 1.27 0.38 figure 4 pad layout dimensions in mm figure 3 package dimensions in mm t r t f 0.8*v amp 0.2*v amp 50% on time period figure 2 1 2 3 6 5 4 -1.3v nc nc v dd -1.3v 50
50
figure 1 dc 1 4 3 65 2 50 50 0.01 uf out out table 3. pinout pin # symbol function 1 e/d or nc enable disable or no connection 2 e/d or nc enable disable or no connection 3 gnd electrical and lid ground 4f o output frequency 5cf o complementary output frequency 6v dd supply voltage the enable/disable function is set at the factory on either pin 1 or pin 2 and is an ordering option. figure 3 vc-806 frequency date code test diagrams page4
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com lvpecl application diagrams the vc-806 incorporates a standard pecl output scheme, which are un-terminated emitters as shown in figure 5. there are numerou s application notes on terminating and interfacing pecl logic and the two most common methods are a single resistor to ground, figure 6, and a pull -up/pull-down scheme as shown in figure 7. an ac coupling capacitor is optional, depending on the application and the input logic requirements of th e next stage. figure 5 standard pecl output con guration figure 6 single resistor termination scheme figure 7 pull-up pull down termination resistor values are typically 140 ohms for 3.3v operation. resistor values are typically 84 for 2.5v operation. resistor values are typically for 3.3v operation for 2.5v operation, the resistor to ground is 62 ohms and the resistor to supply is 240 ohms environmental and ir compliance table 4. environmental compliance parameter condition mechanical shock mil-std-883 method 2002 mechanical vibration mil-std-883 method 2007 temperature cycle mil-std-883 method 1010 solderability mil-std-883 method 2003 f i n e a n d g r o s s l e a k fine and gross leak mil-std-883 method 1014 resistance to solvents mil-std-883 method 2015 m o i s t u r e s e n s i t i v i t y l e v e l moisture sensitivity level msl1 contact pads gold over nickel v cc out+ out- 100
lvds driver lvds receiver 100
lvds driver receiver figure 8 standard lvds output con guration figure 9 lvds to lvds connection, internal 100ohm figure 10 lvds to lvds connection external 100ohm and ac blocking caps some lvds structures have an internal 100 ohm resistor on the input and do not need additional components. some input structures may not have an internal 100 ohm resistor on the input and will need an external 100ohm resistor for impedance matching. also, the input may have an internal dc bias which may not be compatible with lvds levels, ac blocking capacitors can be used. lvds application diagrams one of the most important considerations is terminating the output and complementary outputs equally. an unused output should n ot be left un-termi- nated, and if it one of the two outputs is left open it will result in excessive jitter on both. pc board layout must take this and 50 ohm impedance matching into account. load matching and power supply noise are the main contributors to jitter related problems. 140 140 page5
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com reliability table 5. re ow pro le parameter symbol value preheat time t s 200 sec max ramp up r up 3c/sec max time above 217c tl 150 sec max time to peak temperature t amb-p 480 sec max t i m e a t 2 6 0 c time at 260c t p 20 sec max time at 240c t p2 60 sec max r a m p d o w n ramp down r dn 6c/sec max suggested ir pro le devices are built using lead free epoxy and can be subjected to standard lead free ir re ow conditions shown in table 5. contact pads are gold over nickel and lower maximum temperatures can also be used, such as 220c. s r up r dn t s t amb-p t l t p 260 217 200 150 25 time (sec) temperature (degc) ir compliance table 7. tape and reel information tape dimensions (mm) reel dimensions (mm) w f do po p1 a b c d n w1 w2 #/reel 16 7.5 1.5 4 8 180 2 13 21 60 17 21 250 absolute maximum ratings and handling precautions stresses in excess of the absolute maximum ratings can permanently damage the device. functional operation is not implied or an y other excess of conditions represented in the operational sections of this data sheet. exposure to absolute maximum ratings for exten ded periods may adversely a ect device reliability. although esd protection circuitry has been designed into the vc-806, proper precautions should be taken when handling and mount ing, vi employs a human body model and charged device model for esd susceptibility testing and design evaluation. esd thresholds are dependent on the circuit parameters used to de ne the model. although no industry standard has been adopted for the cdm a standard resistance of 1.5kohms and capacitance of 100pf is widely used and therefor can be used for comparison purpo ses. s table 6. maximum ratings parameter symbol rating unit storage temperature t store -55/125 c supply voltage v dd -0.5 to 5.0 v enable disable voltage e/d -0.5 to v dd +0.5 v esd, human body model 1500 v esd, charged device model 1000 v maximum ratings, tape & reel page6
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com example: VC-806-ECE-KAAN-155m520000 vc-806- e c e - k a a n - xxxmxxxxxx product xo voltage options e: +3.3 vdc 5% h: +2.5 vdc 5% output c: lvpecl d: lvds 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 other (future use) n: standard stability f: 25ppm k: 50ppm s: 100ppm enable/disable pin a: pin 1 b: pin 2 package 3.2x5mm enable/disable logic a: enable high table 8. standard frequencies (mhz) 25.000 27.000 32.000 33.000 38.880 40.000 50.000 53.125 56.000 56.250 60.000 61.440 62.500 66.000 66.667 67.500 75.000 77.760 80.000 83.333 98.304 100.000 106.250 108.000 114.285 122.880 124.512 125.000 133.000 143.000 148.500 150.000 153.600 155.520 1562.50 156.253906 160.000 161.130 164.355 166.6286 166.6667 167.000 167.330 168.750 173.3707 180.000 186.667 187.500 190.000 200.000 212.500 218.750 250.000 312.500 page7 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: 06/17/2011 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 ordering information
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