vectron international 267 lowell road , hudson nh 0 3051 tel : 1 - 88 - vectron - 1 e - mail: vectron@vectron.com vcc6 - l / v 2.5 or 3.3 volt lvds oscillator the vcc6 voltage controlled crystal oscillator features 2.5 or 3.3 v lv ds 3 rd overtone crystal for best jitter performance output f requencies to 250 mhz l ow ji tter < 1 ps rms , 12khz to 20mhz enable/disable o utput for test and board debug - 1 0/70 or ? 40/85 c operating temperature hermetically sealed ceramic smd package rohs compliant/ lead free construction applications sonet/sdh /dwdm ethernet, gigabit etherne t storage area network digital video broadband access description vectron?s vcc6 crystal oscillator (xo) is quartz stabilized square wave generator with a lv ds output, operating off a 2.5 or 3.3 volt supply . the vcc6 is uses 3 rd overtone crystals for output frequencies < 200mhz resulting in low jitter performance , typically 0.5ps rms in the 12 khz to 20mhz band. f o f o output buffer / disable
vectron international 2 6 7 lowell rd, hudson nh 0 3051 tel : 1 - 88 - vectron - 1 e - mail: vectron@vectron.com performance characteristics table 1. electrical performance parameter symbol min typical maximum units frequency f o 4 0 250 mhz su pply voltage 1 l option v dd 3.15 3.3 3.45 supply voltage 1 v option v dd 2.25 2.5 2.75 v supply current , output enabled i dd 60 ma supply current, out put d isabled i dd 30 ua output logic levels output logic high 2 output lo gic low 2 v oh v ol 0.9 1.43 1.10 1.6 v v differential output v o d 247 330 454 m v differential output error 50 mv offset voltage vos 1.125 1.25 1.375 v offset error vos 50 mv output leakage current 10 ua transition times rise time 2 fall time 2 t r t f 600 600 p s p s symmetry or duty cycle 3 sym 45 50 55 % operating temperature ( ordering option ) - 1 0/70 or ? 40/85 c stability ( ordering option) 4 +/ - 25, +/ - 50 or +/ - 100 ppm rms jitter, 12khz to 20 mhz 0.5 1 ps rms jitter 2.5 ps output enabled 5 0.7*vdd v output disabled 5 0.3*vdd v output enable/disable time 4 00 ns package size 5.0 x 7. 0 x 1. 5 mm 1. a 0.01uf and a 0.1uf capacitor should be located as close to the supply as possible (to ground ) is recommended . 2. figure 1 defines these parameters . 3. symmetry is measured defined as vs, on time/period. 4. includes calibration tolerance, operating temperature, supply voltage variations, aging (40 degreesc/10 years) and shock and vibration (not under operation) . 5. output will be enabled if enable/disable is left open . figure 1. output waveform 80 % vs 20 % t f t r period on time
vectron international 2 6 7 lowell rd, hudson nh 0 3051 tel : 1 - 88 - vectron - 1 e - mail: vectron@vectron.com a e c d b g f j l i k h outline diagram, pad layout and pin out contact pad plating: gold over um n ickel pin # symbol fun ction 1 e/d tristate function 2 nc no connection 3 gnd ground 4 f o output frequency 5 cf o complementary output frequency 6 v dd supply voltage tape and reel tape and reel dimensions (mm) tape dimensions reel dimensions # per product a b c d e f g h i j k l reel vcc6 12 5.5 1.5 4 8 1.78 20.6 13 55 6 12.4 178 2 50 #4 #6
vectron international 2 6 7 lowell rd, hudson nh 0 3051 tel : 1 - 88 - vectron - 1 e - mail: vectron@vectron.com absolute maximum ratings stresses in excess of the absolute maximum ratings can permanently damage the device. functional operation is not implied at these or any other co nditions 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 2. absolute maximum ratings parameter symbol ratings uni t power supply v dd - 0.5 to +7.0 vdc enable/disable v in - 0.5 to v dd +0.5 vdc storage temperature tstorage - 55/125 c reliability the vcc6 qualification tests include the following: table 3. environnemental compliance parameter conditions mechan ical 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 handling precautions although esd protection circuitry has been designed into the the vcc6 , 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 protection evaluation. esd th resholds are dependent on the circuit parameters used to define the model. 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 compari son purposes. table 4. esd ratings model minimum conditions human body model 1000 mil - std - 883 method 3115 charged device model 1000 jesd 22 - c101
vectron international 2 6 7 lowell rd, hudson nh 0 3051 tel : 1 - 88 - vectron - 1 e - mail: vectron@vectron.com suggested ir profile the vcc6 has been qualified to meet the jedec standard for pb - free assembly. t he temperatures and time intervals listed are based on the pb - free small body requirements and parameters are listed in table 7 . the v cc6 is hermetically sealed so an aqueous wash is not an issue. table 7. reflow profile paramete r symbol value preheat time t s 6 0 sec min, 18 0 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 2 6 0 o c (max) t p 1 0 sec max ramp down r dn 6 o c/sec max
vectron international 2 6 7 lowell rd, hudson nh 0 3051 tel : 1 - 88 - vectron - 1 e - mail: vectron@vectron.com frequencies (mhz) 50.000 74.1758 74.250 77.760 80.000 100.000 106.250 125.000 133.000 136.000 153.850 155.520 156.250 161.1328 162.325 164.3555 166.6667 173.3708 173.438 175.000 180.000 187.500 200.00 212.500 other frequencies may be availabl e upon request . standard frequencies are frequencies which the crystal has been designed and does not imply a stock position. ordering information vcc6 - l c b ? 125 m 000 product family frequency crystal oscillator example : 125 m 00 0 = 125 . 000 mhz output s ta bility options/temperature l : lvds 3.3 volts a +/ - 10 0 ppm - 1 0 to 70 c v: lvds 2.5 volts b: +/ - 50ppm - 1 0 to 70 c enable/disable c: +/ - 100ppm - 40 to 85 c c: pin 1 d: +/ - 50ppm - 40 to 85 c e: +/ - 25ppm - 10 to 7 0 c f: +/ - 25ppm - 40 to 85 c www.vectron.com 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. vcc6 - l (revision date: january 7 200 5 ) for additional information, please contact: usa: vectron international 2 6 7 lowell road , hudson , nh 0 3051 tel: 1 - 88 - vectron - 1 fax: 1 - 888 - fax - vectron europe: vi telefilter potsdamer stra?e 18, 14513 teltow, germany tel: 49 (0) 3328 4784 17 fax: 49 (0) 3328 4784 30 asia : vectron asia pacific sales office unit 3119 31st floor, jin mao tower, 88 century boulevard, shanghai, p.r. china 200120 tel: +86 21 289097 40 / 41 / 42 fax: +86 21 28909240 / 2890999
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