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 the LXOM-AT oscillator is designed as a highly reliable crystal oscillator able to withstand use in sever environments. the double hermetically sealed package provides a permanently precise control of ouput frequency. supply voltage: +5.0v5% or +3.3v5% calibration tolerance code 'a': 0.01% (100ppm) code 'b': 0.03% code 'c': 0.10% frequency stability 0 to +50c: from 5 to 30ppm -10 to +70c: from 10 to 50ppm -40 to +85c: from 20 to 100ppm -55 to +125c: from 30 to 100ppm supply current: from 4ma to 60ma (frequency dependent) output levels 5v (cmos) vol: 0.5v max. voh: 4.5v max. start-up time: 5ms max. rise/fall time: 6ns typical, 10ns maximum duty cycle: 60/40% ageing first year: 5ppm max. shock survival: 1,000g peak 1.0ms, ? sine vibration survival: 10g rms 10~2000hz random operating temperature ranges commercial (c): -10 to +70c industrial (i): -40 to +85c military (m): -55 to +125c specification features industry-standard 1/2 size dip for compatibility low ageing double hermetically sealed package full military testing available choice of 5.0v or 3.3v supply voltage optional enable/disable or tristate function the LXOM-AT oscillator has these pin options available: 'e' (enable), when pin 1 is low (0), the oscillator stops oscillating. 't' (tri-state), when pin 1 is low, the oscillator continues to run, hoever, the output buffer amplifier stops functioning and output is in a high impedance (z) state. LXOM-AT oscillators how to order LXOM-AT oscillators LXOM-AT s 10 t 32mhz ( 100 / 100 / 200 / m ) e = enable t = tri-state n = neither frequency calibration tolerance at 25c (a) (b) (c) total frequency tolerance (ppm) temp. range c = commercial i = industrial m = military s = specify low power crystal oscillator 2 = 2lsttl loads 8 = 8 lsttl loads 10 = 10 lsttl loads enable/disable options (e/t/n) s if special or custom design (blank if standard) frequency stability over temperature range (in ppm) outline & dimensions 500khz to 120mhz enable vs tri-state enable tri-state current consumption when pin 1 is low low high output recovery delay when pin 1 changes from low to high delayed immediate packaging LXOM-AT oscillators are supplied tube packed. supply voltage: -0.3v to +7.0v storage temperature: -55 to +125c absolute maximum ratings
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