description an increasing number of military applications require the use of leaded (through hole) ceramic packaged oscillators. for these applications, statek offers the LHGAT 5x7mm oscillator. this oscillator is designed to operate over a temperature range of -55oc to 125oc with high shock survivability. features 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 statek corporation 512 n. main st., orange, ca 92868 714-639-7810 fax: 714-997-1256 www.statek.com applications military and aerospace navigation / communications avionics applications flight recorder engine control pin connections 1. enable/disable (e) or no connection (n) 2. ground 3. output 4. v dd package dimensions LHGAT dimensions typical max dim inches 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 LHGAT oscillator 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
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 voltage v dd -0.5 v to 7.0 v* storage temperature -55 o c to +125 o c maximum process temperature 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 LHGAT oscillators LHGAT 4 b e 05 20.0m , 50 / 50 / / m frequency stability over temp. range (in ppm) ?s? if special or custom design. blank if std. enable/disable option e, t or n / / 100 / m temperature 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 total frequency tolerance (in ppm) frequency m = mhz k = khz calibration tolerance @ 25 0 c (in ppm) or specifications specifications are typical at 25 o c unless otherwise noted. specifications are subject to change without notice. tighter specifications available. please contact factory. supply voltages 1 1.8 v to 5.0 v calibration tolerance 20 ppm and up frequency stab ility 100 ppm to 40 ppm ( military) over temperature 2 100 ppm to 30 ppm (i ndustrial) 50 ppm to 15 ppm (commercial) total frequency 3 100 ppm for military tolerance 50 ppm for industrial 30 ppm for commercial supply current (typical) 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) 15 pf start-up time 5 ms max rise/fall time 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 vibration, survival 20 g, 10-2,000 hz swept sine operating temp 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. tighter tolerances available; does not include aging. 4. tighter 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. packaging options LHGAT - tube pack (standard) shock level a = 5,000 g b = 10,000 g c = 20,000 g d = 30,000 g terminations blank = gold plated 03 = solder dipped 05 = solder dipped (lead free) temperature 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 enable/disable options (e/n) statek offers three enable/disable options: e, t, and n. both the e-version and t-version have tri-state outputs and differ 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 offers very low current consumption when the oscillator is disabled and the t-version offers 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 voltage 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. comparison 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 very low lower than normal when re-enabled (pin 1 changes from low to high) output recovery delayed immediate note: the LHGAT oscillator with gold plated or 05 termination is pb free. the LHGAT oscillator with 03 termination contains pb.
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