vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page1 vcj5 lvpecl, lvds crystal oscillator data sheet vectrons vcj5 crystal oscillator is a quartz stabilized, diff erential output oscillator, operating off either 2.5 or 3.3 volt supply, in a hermetically sealed 9x15 ceramic package. 3.3v or 2.5v operation ? output frequencies to 260mhz ? <0.7 ps rms jitter, 12k-20mhz ? diff erential output ? enable/disable ? -10/70c or -40/85c operation ? hermetically sealed 9x14 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 vcj5 v dd output e/d or nc gnd oscillator crystal e/d or nc complementary output
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page2 performance specifi cations 1. the vcj5 power supply pin should be fi 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 refl ow. 4. figure 2 defi nes these parameters and figure 1 defi nes the test circuit. 5. duty cycle is defi nes as the on/time period. 6. measured using an agilent e5052, 155.520mhz. 7. measured using a lecroy 8600, 25k samples. 8. outputs will be enabled if enable/disable is left open. table 1. electrical performance, lvpecl option parameter symbol min typical maximum 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 98 ma frequency nominal frequency 2 f n 10 260 mhz stability 2,3 (ordering options) 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 1 1 ns ns load 50 ohms into v dd -1.3v duty cycle 5 45 50 55 % jitter (12 khz - 20 mhz bw)155.52mhz 6 j 0.3 0.7 ps period jitter 7 rms p/p j 2.7 23 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 9x14x4.5 mm t r t f v oh v ol 50% on time period figure 2 figure 1
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page3 performance specifi cations 1. the vcj5 power supply pin should be fi 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 refl ow. 4. figure 2 defi nes these parameters and figure 3 defi nes the test circuit. 5. duty cycle is defi nes as the on/time period. 6. measured using an agilent e5052, 155.520mhz. 7. measured using a lecroy 8600, 25k samples. 8. outputs will be enabled if enable/disable is left open. table 2. electrical performance, lvds option parameter symbol min typical maximum 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 10 260 mhz stability 2,3, (ordering options) 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 diff erential output 247 330 454 mv diff erential output error 50 mv off set voltage 1.125 1.25 1.375 v off set voltage error 50 mv output leakage current 10 ua output rise and fall time 4 rise time fall time t r /t f 1 1 ns ns load 100 ohms diff erential duty cycle 5 45 50 55 % jitter (12 khz - 20 mhz bw)155.52mhz 6 j 0.3 0.7 ps period jitter 7 rms p/p j 2.7 23 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 9x14x4.5 mm figure 3
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page4 package and pinout 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 jduglatn frequency vi yww 1 4 3 6 2 5 figure 4 package part number frequency date code
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page5 lvpecl application diagrams the vcj5 incorporates a standard pecl output scheme, which are un-terminated emitters as shown in figure 5. there are numerous 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 the n ext stage. figure 5 standard pecl output confi guration figure 6 single resistor termination scheme figure 7 pull-up pull down termination resistor values are typically 120 to 240 ohms for 3.3v operation. resistor values are typically 82 to 120 ohms 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 2003 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 figure 8 standard lvds output confi 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.
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page6 reliability table 5. refl ow profi le parameter symbol value preheat time ts 200 sec max ramp up r up 3c/sec max time above 217c tl 150 sec max time to peak temperature tamb-p 480 sec max t i m e a t 2 6 0 c time at 260c tp 10 sec max time at 240c tp2 60 sec max r a m p d o w n ramp down r dn 6c/sec max suggested ir profi le devices are built using lead free epoxy and can be subjected to standard lead free ir refl 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 24 11.5 1.5 4 12 330 1.78 13 21 100 25 30 200 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 aff ect device reliability. although esd protection circuitry has been designed into the vcj5, proper precautions should be taken when handling and mountin g, 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 defi 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 v e/d -0.5 to v dd +0.5 esd, human body model 1000 v esd, charged device model 1000 v maximum ratings, tape & reel
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page7 example: vcj5-qaa-155m520000 table 8. standard frequencies (mhz) 19.4400 25.0000 27.1200 33.0000 33.3330 35.0000 35.5000 38.8800 40.0000 40.6800 43.7500 50.0000 53.1250 56.0000 61.4400 62.2080 62.5000 66.0000 68.0000 70.0000 71.5000 74.1758 74.2500 75.0000 75.4000 77.7600 78.1250 80.0000 81.2500 83.3330 84.0000 86.0000 90.0000 95.0000 100.0000 105.0000 106.2500 110.0000 112.0000 112.5000 114.2850 120.0000 124.4160 125.0000 125.0093 128.0000 130.0000 130.5882 133.0000 135.0000 136.0000 140.0000 142.5408 143.0000 148.7500 150.0000 153.6000 153.8500 155.5200 156.1734 156.2500 156.2539 156.2740 156.2930 159.3750 160.0000 161.1328 162.3250 164.3555 165.0000 166.0000 166.5600 166.6286 166.6667 167.3317 167.4100 168.2009 168.6997 172.6423 173.3708 173.4380 175.0000 176.0950 176.8382 177.3437 180.0000 187.0177 187.5000 190.0000 192.4560 195.3125 200.0000 212.4840 212.5000 225.0000 250.0000 260.0000 ordering information vcj5 - x x x - 000m000000 product xo, 9x14x4.5 package output and voltage q: +3.3 vdc 5%, lvpecl r: +3.3 vdc 5%, lvpecl l: +3.3 vdc 5%, lvds v: +2.5 vdc 5%, lvds enable/disable a: e/d is on pin 2, active high or open c: e/d is on pin 1, active high or open stability/temp range a: 100 ppm over -10/70c b: 50 ppm over -10/70c c: 100 ppm over -40/85c d: 50 ppm over -40/85c e: 25ppm over -10/70c f: 25ppm over -40/85c frequency in mhz *note: not all combination of options are available. other specifi cations may be available upon request. 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: 01/10/2009 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: vectron international 1f-2f, no 8 workshop, no 308 fenju road waigaoqiao free trade zone pudong, shanghai, china 200131 tel: 86.21.5048.0777 fax: 86.21.5048.1881 ordering information
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