vectron international 267 lowell road, hudson nh 03051 tel: 1-88-vectron-1 e-mail: vectron@vectron.com vcs3 series 1.8, 2.5, 3.3 volt cmos oscillator vcs3 crystal oscillator features ? quick delivery ? cmos output ? 3.2mm x 2.5mm x 1.2 mm ? output frequencies to 200.00 mhz ? tri-state output for board test and debug ? -10/70 or ?40/85 c operating temperature ? gold over nickel contact pads ? hermetically sealed ceramic smd package ? product is compliant to rohs directive and fully compatible with lead free assembly applications ? sonet/sdh/dwdm ? ethernet, gigabit ethernet ? storage area network ? digital video ? broadband access ? microprocessors/dsp/fpga description vectron?s vcs3 crystal o scillator (xo) is quartz stabilized square wave generator with a cmos output, operating from a 1.8, 2.5 or 3.3 volt supply. the vcs3 utilized a high performance, low frequency quartz resonator followed by a custom asic to synthesize the output frequency. f o output buffer / disable
vectron international 267 lowell rd, hudson nh 03051 te l: 1-88-vectron-1 e-mail: vectron@vectron.com table 1. electrical performance, 3.3v option parameter symbol min typical maximum units frequency f o 1.0 200.000 mhz operating supply voltage 1 v dd 2.97 3.3 3.63 v absolute maximum operating voltage -0.5 5.0 v supply current, output enabled <30 mhz 30.01 to 75 mhz 75.01 to 133 mhz 133.01 to 200 mhz i dd 10 15 20 25 ma supply current, output disabled i dd 15 ua output logic levels output logic high 2 output logic low 2 output logic high drive output logic low drive v oh v ol i oh i ol 0.9*v dd 8 8 0.1*v dd v v ma ma output rise/fall time 2 , fo 10mhz fo>10mhz t r/ t f 3 2 ns ns duty cycle 3 sym 45 55 % operating temperature ( ordering option ) -10/70 or ?40/85 c storage temperature -55 125 c stability 4 ( ordering option) 25, 50, 100 ppm output enable/disable 5 output enabled output disabled 0.7*v dd 0.3*v dd v start-up time 2 ms 1. a 0.01uf and a 0.1uf capacitor should be located as close to the supply as possible (to ground). 2. figure 1 defines these parameters. figure 2 illustrates t he operating conditions under which these parameters are tested an d specified. 3. symmetry is measured defined as on time/period. 4. includes calibration tolerance, operating temperature, s upply voltage variations, aging and shock and vibration (not under operation). 5. output will be enabled if enable/disable is left open. figure 1. output waveform figure 2. typical output test conditions (25 5c) + - + - i c v c 3 2 . 1 f .01 f 15pf 4 1 i dd v dd v oh 50% v ol t f t r period on time
vcs3 data sheet vectron international 267 lowell rd, hudson nh 03051 tel: 1-88-vectron-1 e-mail vectron@vectron.com table 2. electrical performance, 2.5v option parameter symbol min typical maximum units frequency f o 1.0 166.000 mhz operating supply voltage 1 v dd 2.25 2.5 2.75 v absolute maximum voltage -0.5 5.0 v supply current, output enabled < 30 mhz 30.01 to 75 mhz 75.01 to 166 mhz i dd 8.0 10.0 15.0 ma supply current, out disabled i dd 15 ua output logic levels output logic high 2 output logic low 2 output logic high drive output logic low drive v oh v ol i oh i ol 0.9*v dd 8 8 0.1*v dd v v ma ma output rise/fall time 2 , fo 10mhz fo>10mhz t r/ t f 4 3 ns ns duty cycle 3 sym 45 55 % operating temperature ( ordering option ) -10/70 or ?40/85 c storage temperature -55 125 c stability 4 ( ordering option) 25, 50, 100 ppm output enable/disable 5 output enabled output disabled 0.7*v dd 0.3*v dd v start-up time 2 ms 1. a 0.01uf and a 0.1uf capacitor should be located as close to the supply as possible (to ground). 2. figure 3 defines these parameters. figure 4 illustrates t he operating conditions under which these parameters are tested an d specified. 3. symmetry is measured defined as on time/period. 4. includes calibration tolerance, operating temperature, s upply voltage variations, aging and shock and vibration (not under operation). 5. output will be enabled if enable/disable is left open. figure 3. output waveform figure 4. typical output test conditions (25 5c) + - + - i c v c 3 2 . 1 f .01 f 15pf 4 1 i dd v dd v oh vs v ol t f t r period on time
vcs3 data sheet vectron international 267 lowell rd, hudson nh 03051 tel: 1-88-vectron-1 e-mail vectron@vectron.com table 3. electrical performance, 1.8v option parameter symbol min typical maximum units frequency f o 0.8 133.00 mhz operating supply voltage 1 v dd 1.62 1.8 1.98 v absolute maximum voltage -0.5 3.6 v supply current, output enabled < 30 mhz 30.01 to 75 mhz 75.01 to 133 mhz i dd 6 8 12 ma supply current, out disabled i dd 15 ua output logic levels output logic high 2 output logic low 2 output logic high drive output logic low drive v oh v ol i oh i ol 0.9*v dd 8 8 0.1*v dd v v ma ma output rise/fall time 2 , fo 10mhz fo>10mhz t r/ t f 5 4 ns ns duty cycle 3 sym 45 55 % operating temperature ( ordering option ) -10/70 or ?40/85 c storage temperature -55 125 c stability 4 ( ordering option) 25, 50, 100 ppm output enable/disable 5 output enabled output disabled 0.7*v dd 0.3*v dd v start-up time 2 ms 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 5 defines these parameters. figure 6 illustrates t he operating conditions under which parameters are tested/specifie d. 3. symmetry is measured defined as on time/period. 4. includes calibration tolerance, operating temperature, s upply voltage variations, aging and shock and vibration (not under operation). 5. output will be enabled if enable/disable is left open. figure 5. output waveform figur e 6. typical output test conditions (25 5c) v oh vs v ol t f t r pe r io d on time + - + - i c v c 3 2 . 1 f .01 f 15pf 4 1 i dd v dd
vcs3 data sheet vectron international 267 lowell rd, hudson nh 03051 tel: 1-88-vectron-1 e-mail vectron@vectron.com enable/disable functional description under normal operation the enable/disable is left open or set to a logic high state. when the e/d is set to a logic low, the oscillator stops and the output is in a high impedance state. this helps reduce power consumption as well as facilitat ing board testing and troubleshooting. tri-state functional description under normal operation the tri-state is left open or set to a logic high state. when the tri-state is set to a logic low, the oscillator remains active but the out put buffer is in a high impedance state. this helps facilitate board testing and troubleshooting. table 4. outline diagrams, pad layout and pin out pin # symbol function 1 e/d tri-state, enable/disable 2 gnd electrical and case ground 3 f o output frequency 4 v dd supply voltage contact pads are gold over nickel figure 7, package drawing yym t
vcs3 data sheet vectron international 267 lowell rd, hudson nh 03051 tel: 1-88-vectron-1 e-mail vectron@vectron.com reliability the vcs3 qualification tests have included: table 5. environnemental compliance parameter conditions mechanical shock mil-std-883 method 2022 mechanical vibration mil-std-883 method 2007 temperature cycle mil-std-883 method 1010 solderability mil-std-883 method 2003 gross and fine leak mil-std-883 method 1014 resistance to solvents mil-std-883 method 2015 msl 1 handling precautions although esd protection circuitry has been designed in to the the vcs3, 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 6. esd ratings model minimum conditions human body model 1000 mil-std-883 method 3115 charged device model 1500 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 7 shows max temperatures and lo wer temperatures can also be used e.g. peak temperature of 220c. table 7. reflow profile (ipc/jedec j-std-020) parameter symbol value preheat time t s 150 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 240 c (max) t p2 60 sec max ramp down r dn 6 o c/sec max
vcs3 data sheet vectron international 267 lowell rd, hudson nh 03051 tel: 1-88-vectron-1 e-mail vectron@vectron.com ordering information vcs3 - - product family output frequency crystal oscillator in mhz voltage options b: +3.3 vdc +/-10%, 15pf g: +2.5vdc +/-10%, 15pf h: +1.8 vdc +/-10%, 15pf electrical options 3: tri-state, 45/55% duty stability options a: 100ppm, -10 to 70c c: 100ppm, -40 to 85c b: 50ppm, -10 to 70c d: 50ppm, -40 to 85c e: 25ppm, -10 to 70c f: 25ppm, -40 to 85c note: not all combinations are available . www.vectron.com feb08, 2011 for additional information, please contact: usa: vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? fax: 1-888-fax-vectron b 3 b 75m000
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