euroquartz limited blacknell lane crewkerne somerset uk ta18 7he tel: +44 (0)1460 230000 fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk euro quartz description cxo oscillators consist of a miniature quartz crystal and a cmos/ttl compatible hybrid circuit in a low-profile, small footprint ceramic package. in addition to the conventional solder or epoxy electrical connection techniques, the cxo oscillator's bond pads on the topside of the unit allow it to be connected electrically in a hybrid assembly using wire bonds. outline & dimensions specifications are typical at 25c unless otherwise indicated. tighter specifications are available, contact euroquartz technical sales. supply voltage 300khz to 120mhz: +5.0 volts 300khz to 170mhz: +3.3 volts (supply voltages 0.9v, 1.8v and 2.5v are also available) calibration tolerance: 100ppm frequency stability over operating temperature range commercial (0 ~ +70c): 50ppm industrial(-40 ~ +85c): 100ppm military (-55 ~ +125c): 100ppm supply current: see table below load: cmos 15pf (higher loads available) rise and fall time: 6ns maximum start-up time: 5ms maximum ageing: 10ppm max., first year. shock survival: 3000g, 0.3ms, ? sine* vibration survival; 20g, 10~2000hz swept sine** maximum process temperature: 260c for 20 seconds specification 10mhz 2ma 4ma 24mhz 4ma 8ma 30mhz 6ma 10ma 40mhz 8ma 12ma 50mhz 10ma 12ma frequency supply current vdd = 3.3v supply current vdd = 5.0v current consumption features frequency range 300khz to 170mhz supply voltage from 0.9v to 5.0volts available full 'mil' testing available high shock resistance low emi emission low power consumption cmos/ttl compatible output hermetically sealed ceramic package wire bond pads for hybrids when enabled (pin 1 is high'*) output freq. output freq. output oscillator oscillates oscillates current consumption: normal normal when disabled (pin 1 'low') output high 'z' state high 'z' state oscillator stops oscillates current consumption: very low lower than normal when re-enabled (pin 1 from low to high) output recovery delayed immediate * when pin 1 is allowed to float it is held 'high' by an internal pull-up resistor. option 'n' = pin 1 not connected internally. option 'e' option 't' comparison of enable/disable options packaging options cxo oscillators are available either tray packed (<250pcs) or tape and reel (>250 pieces). 16mm tape, 178mm or 330mm reels (eia 418). cxo oscillators * higher shock version available, see cxohg. ** per mil-std-202g, method 204d, condition d. random vibration testing also available. how to order cxo smd crystal oscillators example: cxo-s-t-sm3-32.0m, 100/100/?/i cxo - s - t - sm3 - 32.0m, 100 / 100 / ? / i s' if special, custom design or if the voltage is not 5.0 volts. otherwise leave blank enable/disable option, e, t or n terminations blank = sm1 =gold plated sm3 = solder dipped sm5 = solder dipped lead fee frequency k = khz m = mhz calibration tolerance at 25c frequency stability over temp. range (in ppm) temp. range c = -10 ~ +70c i = -40 ~ +85c m = -55 ~ +125c s = customer specified low profile miniature smd crystal oscillator 300khz to 170mhz
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