vectron international 267 lowell road, hudson nh 03051 tel: 1-88-vectron-1 e-mail: vectron@vectron.com vvc1 vvc2 voltage controlled crystal oscillator the vvc1 voltage contro lled crystal oscillator features ? vcxo with a cmos output ? small 5.0 x 7.0 x 1.9 mm package ? output frequencies to 66 mhz ? 5.0 or 3.3 v operation ? low jitter < 6 ps rms, f o >12mhz ? tri-state output for test and board debug ? 0/70 or ?40/85 c operating temperature ? hermetically sealed ceramic smd package ? lead free construction ? product is compliant to rohs directive and fully compatible with lead free assembly applications ? sonet/sdh/dwdm ? ethernet, gigabit ethernet ? xdsl/pcmcia cards ? digital video ? broadband access description vectron?s vvc1/vvc2 voltage controlled crystal oscillator (vcxo) is a quartz stabilized square wave generator with a cmos output and is tested at cmos and ttl (5.0 volt operation) logic levels. the vvc1/vvc2 uses fundamental crystals resulting in low jitter performance and a monolithic ic which improves reliability and reduces cost. vc f o output buffer / tri-state input buffer esd diodes
vvc1, vvc2 voltage controlled crystal oscillator vectron international 267 lowell rd, hudson nh 03051 te l: 1-88-vectron-1 e-mail: vectron@vectron.com performance characteristics table 1. electrical performance parameter symbol min typical maximum units frequency f o 1.544 65.536 mhz supply voltage 1 (+5.0 v 5%) (+3.3 v 5%) (+2.7 v + 5%) 4 v dd 4.750 3.135 2.7 5.0 3.3 2.7 5.250 3.465 2.835 v supply current (+5.0 v) (+2.7 or +3.3 v) i dd 55 40 ma output logic levels output logic high 2 output logic low 2 v oh v ol 0.9*v dd 0.1v dd v v transition times rise time 2 fall time 2 t r t f 5 5 ns ns symmetry or duty cycle 3 sym 45 50 55 % operating temperature ( ordering option ) 0/70 or ?40/85 c total pull range ( ordering option) or absolute pull range 50, 100 or 150 50, 80 or 100 ppm test conditions for apr (+5v option) v c 0.5 4.5 v test conditions for apr (+3.3v option) v c 0.3 3.0 v gain transfer positive ppm/v control voltage impedance 90 kohm control voltage bandwidth (-3db) bw 10 khz package size 5.0 x 7.0 x 1.9 mm 1. a 0.01uf and a 0.1uf capacitor should be located as clos e to the supply as possible (to ground) is recommended. 2. figure 1 defines these parameters. figure 2 illustrates the equivalent five gate ttl l oad and operating conditions under wh ich these parameters are tested and specified. 3. symmetry is defined as (on time/period with vs= 1.4 v fo r ttl and vs=2.5 v for cmos, 5 volt operation, and vs=1.65v for 3.3 volt operation. 4. only available as 50 ppm apr. figure 1. output waveform figure 2. typical output test conditions (25 5c) 80 % vs 20 % t f t r pe r io d on time + - + - i c v c 4 3 . 1 f .01 f 15pf 25 6 1 i dd 650 ? v dd 1.8k
vvc1, vvc2 voltage controlled crystal oscillator vectron international 267 lowell rd, hudson nh 03051 te l: 1-88-vectron-1 e-mail: vectron@vectron.com outline diagram, pad layout and pin out pin # symbol function 1 v c control voltage 2 nc or tri-state no connect or tri-state 3 gnd ground 4 f o output frequency 5 tri-state or nc logic low disables output logic high or no connection enables output waveform 6 v dd supply voltage
vvc1, vvc2 voltage controlled crystal oscillator vectron international 267 lowell rd, hudson nh 03051 te l: 1-88-vectron-1 e-mail: vectron@vectron.com a e c d b g f j l i k h tape and reel table 2. tape and reel dimensions (mm) tape dimensions reel dimensions # per product a b c d e f g h i j k l reel vvc1/2 16 7.5 1.5 4 8 2 21 13 60 2 17 180 1000 absolute maximum ratings stresses in excess of the absolute maximum rati ngs can permanently damage the device. functional operation is not implied at these or any other c onditions in excess of conditions represented in the operational sections of this data sheet. exposure to absolute maximum ratings for extended periods may adversely affect device reliability. table 3. absolute maximum ratings parameter symbol ratings unit power supply v dd 6 vdc storage temperature tstorage -55/125 c voltage control range v c gnd to v dd v
vvc1, vvc2 voltage controlled crystal oscillator vectron international 267 lowell rd, hudson nh 03051 te l: 1-88-vectron-1 e-mail: vectron@vectron.com reliability the vvc1/vvc2 is capable of meeting the following qualification tests. table 4. environnemental 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 2016 moisture sensitivity level 1 handling precautions although esd protection circuitry has been designed into the the vvc1/vvc2, proper precautions should be taken when handling and mounting. vi employs a human body model and a charged-device model (cdm) for esd susceptibility testing and design prot ection evaluation. esd thresholds are dependent on the circuit parameters used to define the m odel. although no industry wide standard has been adopted for the cdm, a standard hbm of resistance = 1. 5kohms and capacitance = 100pf is widely used and therefore can be used for comparison purposes. table 5. esd ratings model minimum conditions human body model 1500 mil-std-883 method 3115 charged device model 1000 jesd 22-c101 suggested ir profile devices are built using lead free epoxy and can also be subjected to standard lead free ir reflow conditions. table 6. reflow profile (ipc/jedec j-std-020) parameter symbol value preheat time t s 60 sec min, 200 sec max ramp up r up 3 o c/sec max time above 217 o c t l 60 sec min, 150 sec max time to peak temperature t amb-p 480 sec max time at 260 o c (max) t p 20 sec min, 40 sec max time at 240c (max) tp2 60 sec max ramp down r dn 6 o c/sec max
vvc1, vvc2 voltage controlled crystal oscillator vectron international 267 lowell rd, hudson nh 03051 te l: 1-88-vectron-1 e-mail: vectron@vectron.com table 7. standard frequencies (mhz) 1.544 2.048 4.096 8.192 10.000 12.000 12.288 12.352 13.000 14.318 15.440 16.000 16.384 18.432 19.440 20.000 20.480 24.576 24.704 27.000 30.000 32.000 32.768 34.368 35.328 38.880 40.000 40.960 44.736 51.840 52.000 62.208 65.536 other frequencies may be available upon request. standard frequenc ies are frequencies which the crystal has been designed and does not imply a stock position. ordering information product family vv = vcxo package 5x7x1.9 tristate 1= pin 5 2= pin 2 power supply, linearity a= 5.0v, 20% linearity b= 3.3v, 20% linearity c= 5.0v, 10% linearity d= 2.7v, 20% linearity* f= 3.3v, 10% linearity frequency ex.: 44m736 = 44.736mhz temperature range, stability (for tpr) b= 0/70c, 50 ppm d= -40/85c, 50 ppm e= 0/70c, 25 ppm f= -40/85c, 25 ppm absolute pull range g= 50 ppm apr n= 80 ppm apr h= 100 ppm apr or total pull range 1= 50 ppm 2= 100 ppm 3= 150 ppm note: not all combinations of options are av ailable. higher frequencies have less pull capab ility, especially at +3.3 volts supply, and higher pull can result in 20% linearity instead of 10%. consult factory or your local sales representative with application requirements . * only 50 ppm apr is avail able with this power supply www.vectron.com vectron international reserves the right to make changes to the product(s) and/or in formation contained her ein without notice. no liability is assumed as a result of their use or app lication. no rights under any patent accompany the sale of any su ch product(s) or information. vvc1 (october 2007) for additional information, please contact: usa: vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? fax: 1-888-fax-vectron europe: landstrasse, d-74924, neckarbischofsheim, germany ? tel: 49 (0) 7268 8010 ? fax: 49 (0) 7268 801281 asia: vectron asia pacific sales 1f~2f. no.8 workshop no.308 fenju rd., waigaoqiao free trade zone, pudong new area shanghai, china 200131 ?tel: 8621 50480777 ? fax: 8621 50481881
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