description an increasing number of military applications require the use of leaded (through hole) ceramic packaged oscillators. for these applications, statek of fers the lhga t 5x7mm oscillator . this oscillator is designed to operate over a temperature range of -55oc to 125oc with high shock survivability . fea t ures full military testing available excellent stability over temperature high shock resistance cmos output / output enable/disable double hermetically sealed package option hermetically sealed ceramic package - 5x7mm through-hole leaded package reduces mechanical and thermal mounting stresses robust lead-attach eutectic brazing process gold plated kovar leads st a tek corporation 512 n. main st., orange, ca 92868 714-639-7810 fax: 714-997-1256 www.statek.com applications military and aerospace navigation / communications a v ionics applications flight recorder engine control pin connections 1. enable/disable (e) or no connection (n) 2. ground 3. output 4. v dd p ackage dimensions lhga t dimensions typical max dim i nches mm inches mm a 0.276 7.00 .281 7.14 b 0.197 5.00 .202 5.13 c 0.065 1.65 .070 1.78 d 0.200 5.08 .205 5.20 e 0.195 4.90 .205 5.20 f 0.200 5.08 .205 5.20 g 0.040 1.02 h 0.160 4.06 i 0.028 0.71 j 0.018 0.46 0.021 0.53 lhga t oscilla tor leaded military grade/high shock 320 khz - 50 mhz 10211 rev b lead thickness: 0.008 0.001 (0.20mm 0.03) lead plating: gold/nickel over kovar http://
10211 rev b statek corporation 512 n. main st., orange, ca 92868 714-639-7810 fax: 714-997-1256 www.statek.com absolute maximum ratings supply v o ltage v dd -0.5 v to 7.0 v* storage t e mperature -55 o c to +125 o c maximum process t e mperature 260 o c for 20 seconds *the supply voltage range is -0.5 v to +4.0 v for some products. contact factory . how to order lhga t oscilla tors LHGAT 4 b e 05 20.0m , 50 / 50 / / m frequency stability over t emp. range (in ppm) ?s? if special or custom design. blank if std. enable/disable option e, t or n / / 100 / m t e mperature range: c= -10 o c to +70 o c i =-40 o c to +85 o c m = -55 o c to +125 o c s = customer specified tot a l frequency to l e r a n c e (in ppm) frequency m = mhz k = khz calibration tolerance @ 25 0 c (in ppm) or specifica tions specifications are typical at 25 o c unless otherwise noted. specifications are subject to change without notice. t ighter specifications available. please contact factory . supply v o ltages 1 1.8 v to 5.0 v c a l i b r a t i o n t o l e r a n c e 2 0 ppm and up frequency s t a b ility 1 0 0 ppm to 40 ppm ( military) over t e mperature 2 100 p p m t o 30 ppm (i ndustrial) 50 p p m t o 15 ppm ( c o m m e r c i a l ) t o tal frequency 3 1 0 0 ppm for military t o lerance 5 0 ppm for industrial 3 0 ppm for commercial supply current (t ypical) 3.3 v 5.0 v 24 mhz 3 .0 ma 8.0 ma 32 mhz 5 .0 ma 10 ma 40 mhz 5 .5 ma 12 ma 50 mhz 6 .0 ma 13 ma output load (cmos) 1 5 p f start-up t ime 5 ms max rise/fall t ime 4 ns typ , 8 ns max duty cycle 4 40% min, 60% max aging, first year 5 ppm shock, survival 5 std: 5 ,000 g, 0.5 ms, 1 / 2 sine hg: up to 30,000 g, 0.5 ms, 1 / 2 sine v i bration, survival 20 g, 10-2,000 hz swept sine operating t e mp ranges 6 -55 o c to +125 o c (military) -40 o c to +85 o c (industrial) -10 o c to + 70 o c (commercial) 1. not all frequencies are available in certain voltages. contact factory for details. 2. does not include calibration tolerance. 3. t ighter tolerances available; does not include aging. 4. t ighter duty cycles available. contact factory . 5. contact factory for requirements above 30,000 g. 6. higher temp available (up to 200 o c). contact factory . note: all parameters are measured at ambient temperature with a 10 m , 15 pf load. p a ckaging options LHGAT - tube pack (standard) shock level a = 5,000 g b = 10,000 g c = 20,000 g d = 30,000 g t e rminations blank = gold plated 03 = solder dipped 05 = solder dipped (lead free) t e mperature range: c= - 1 0 o c to +70 o c i =- 4 0 o c to +85 o c m = -55 o c to +125 o c s = customer specified enable/disable options (e/n) statek offers three enable/disable options: e, t , and n. both the e-version and t - version have t r i-state outputs and dif fer in whether the oscillator continues to run internally when the output is put into the high z state: it stops in the e-version and continues to run in the t -version. so, the e- version of fers very low current consumption when the oscillator is disabled and the t -version of fers very fast output recovery when the oscillator is re-enabled. the n-version does not have pin 1 connected internally and so has no enable/disable capability . the following table summarizes the three options. supply vo ltage 1 = 1.8 v 2 = 2.5 v 3 = 3.0 v 4 = 3.3 v 5 = 5.0 v 7. the t - version is not available for all frequencies. contact factory. * when pin 1 is allowed to float, it is held high by an internal pull-up resistor . comp arison of enable/disable options e and t et 7 when enabled (pin 1 is high*) output freq. output freq. output oscillator oscillates oscillates current consumption normal normal when disabled (pin 1 is low) output high z state high z state oscillator stops oscillates current consumption v ery low lower than normal when re-enabled (pin 1 changes from low to high) output recovery delayed immediate note: the lhga t oscillator with gold plated or 05 termination is pb free. the lhga t oscillator with 03 termination contains pb.
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