euroquartz limited blacknell lane crewkerne somerset uk ta18 7he tel: +44 1460 230000 fax: +44 1460 230001 email: info@euroquartz.co.uk web: www.euroquartz.co.uk surface-mount oscillators suitable for vapour-phase, infrared or epoxy mount techniques ttl or cmos compatible low power consumption optional tristate or standby functions low emi emission supply voltage 3.3 volts or 5.0 volts high shock resistance full military testing available hermetically sealed ceramic package xo95 series outlines and dimensions 6.5mm x 5.0mm high-specification oscillator power down vs. tristate description euroquartz xo95 series oscillators consist of a ttl/cmos compatible hybrid circuit and a miniature quartz crystal packaged in a low-profile ceramic package. full military testing is available making this an ideal crystal for defence and aerospace applications requiring a highly reliable source of clock signals. features frequency range: 1.25mhz to 120mhz supply voltage: +3.3 volts or +5.0 volts calibration tolerance* a: 0.01% (100ppm) b: 0.1% c: 1.0% frequency stability** temp. range stability 0 ~ +50c: from 5ppm to 30ppm -10~+70c: from 10ppm to 50ppm -40~+85c: from 20ppm to 100ppm -55~+125c : from 30ppm to 100ppm supply current frequency 3.3 volts 5.0 volts 50mhz 10ma 14ma 40mhz 8ma 12ma 30mhz 6ma 10ma 24mhz 4ma 8ma output load cmos: 15pf (<50pf available) ttl: 10 loads start-up time: 2ms typical, 5ms max. (to reach 90% amplitude at 252c) rise/fall time: 3ns typical, 6ns maximum ageing: 10ppm maximum in 1st year shock, survival***: 3000g peak 0.3ms, ? sine vibration, survival: 20g rms 10hz~2000hz random operating temperature: -10c to +70c (commercial) -40c to +85c (industrial) -55c to +125c (military) * tighter tolerance available ** does not include calibration tolerance *** high shock version available note: all parameters are measured at ambient temperature with a 10m w and 10pf load at 5.0 volts. specification pad connections 1: output enable inh (tristate) or nc 2: ground 3: output 4: vdd output condition power down tristate current consumption when pad 1 is low low high output recovery delay when pad 1 changes from low(0) to high(1) delayed immediate power down: when pad 1 is low (0) the oscillator stops oscillation. tristate; when pad 1 is low the oscillator continues to run but the output buffer amplifier stops functioning; output is high impedance (z). packaging 1: tray pack (standard) 2: 16mm tape, 175mm or 325mm reels (optional) (as per eia 481) part number generation xo95 series oscillators part numbers are derived as follows: example 16.000mhz xo95050umta cal.c xo95 - series designation 030 - 30ppm 050 - 50ppm 100 - 100ppm u - cmos/ttl o/p m - military temp. i - industrial temp. c - commercial temp. t - tristate p - power down blank - 5.0 volts a - 3.3 volts cal.a - calibration a cal.b - calibration b cal.c - calibration c cal.x - special cal. in ppm (where ?x? is the agreed calibration tol.) frequency military testing testing to mil. specifications is available. to detail testing required see separate mil. testing specification or contact euroquartz technical sales.
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