description an increasing number of high temperature applications require the use of leaded (through hole) ceramic packaged oscillators. for these applications, statek offers the LHTAT 5x7mm oscillator. these oscillators are designed to operate at temperatures up to 200oc with high shock survivability. fea t ures high temperature operation up to 200 o c excellent stability over temperature high shock resistance cmos output optional output enable/disable 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 applica tions industrial downhole instrumentation rotary shaft sensors underground boring tools avionics applications pin connections 1. enable/disable (e) or no connection (n) 2. ground 3. output 4. v dd package dimensions LHTAT LHTAT 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 high tempera ture oscilla tor leaded high t emperature/high shock lht a t 10204 rev b 320 khz - 50 mhz lead thickness: 0.008 0.001 (0.20mm 0.03) lead plating: gold/nickel over kovar http://
lht a t 10204 rev b st a tek corpora tion 512 n. main st ., orange, ca 92868 714-639-7810 f ax: 714-997-1256 www .statek.com absolute maximum ratings supply v o ltage v dd -0.5 v to 4.0 v storage t e mperature -55 o c to 125 o c maximum process t e mperature 260oc for 20 seconds how to order lht a t oscilla tors LHTAT 4 a e 05 20.0m , / / 200 / h frequency stability over temp. range (in ppm) ?s? if special or custom design. blank if std. enable/disable option e or n 50 / 175 / / h temp. range: h = 25 0 c to 200 0 c s = customer specified temp. range to t a l frequency t olerance (in ppm) frequency m = mhz k = khz calibration t olerance @ 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 ltage 1 3.3 v 10% c a l i b r a t i o n t o l e r a n c e 5 0 ppm, or tighter as required frequency s t a b ility 100 ppm for 25 o c t o 150 o c over t e mperature 150 ppm for 25 o c t o 175 o c 175 ppm for 25 o c to 200 o c to t a l to l e r a n c e 2 200 ppm for 2 5 o c t o 200 o c supply current (t ypical) 3.3 v 24 mhz 3 .0 ma 32 mhz 5 .0 ma 50 mhz 6 .0 ma output load (cmos) 1 5 p f start-up t ime 5 ms max rise/fall t ime 10 ns max duty cycle 40% min, 60% max aging, first year 5 ppm max at 2 5 o c aging 100 ppm max at 200 o c shock, survival 3 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 4 20 g, 10-2,000 hz swept sine operating t e mp range 5 -55 o c up to 200 o c 1. all frequencies, voltages, temperature ranges and enable/disable options may not be available. contact factory . 2. t o tal t olerance = calibration t olerance + frequency stability over temperature. 3. shock survival applies at -55oc to +125oc. 4. per mil-std-202g, method 204d, condition d. random vibration testing available. note: all parameters are measured at ambient temperature with a 10 m , 15 pf load. 5. expected life at 200oc is in excess of 1,500 hours. p ackaging options lht a t - t ube 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 05 = solder dipped (lead free) t e mp. range: h = 25 0 c to 200 0 c s = customer specified t emp. range total frequency tolerance (in ppm) calibration to l e r a nce @ 25 0 c (in ppm) frequency stability over temp. range (in ppm) enable/disable options (e/n) statek offers two enable/disable options: e and n. the e- version has a tri-state output and stops oscillating internally when the output is put into the high z state. the n-version does not have pin 1 connected internally and so has no enable/disable capability . the following table describes the enable/disable option e. supply v o ltage 4 = 3.3 v enable (pin 1 high*) disable (pin 1 low) output frequency output high z state oscillator o scillates stops current normal v ery low * when pin 1 is allowed to float, it is held high by an internal pull-up resistor . enable/disable option e function table
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