statek corporation 512 n. main st., orange, ca 92868 714-639-7810 fax: 714-997-1256 www.statek.com 10217 rev a CXOLAT oscillator 32.768 khz ultra-low power/fast start-up/ultra-miniature typical maximum dim inches mm inches mm a0.1263.200.1303.30 b0.0591.500.0631.60 c (sm1) 0.037 0.95 0.039 1.00 d0.0290.750.0300.77 e0.0200.500.0210.52 description the cxoxlat 32.768 khz oscillator achieves the low power comparable with a tuning fork design and the fast start-up and tight frequency stability attained by an at cut crystal design. designed for applications requiring ultra- low current (15 ? ), fast start-up time (15 ms), and a tight frequency stability (?0 ppm to ?00 ppm) over a wide temperature range (-55 o c to +125 o c). these oscillators are also capable of withstanding significantly higher shock than a standard tuning fork design. features ultra-low current (typical 15 ?) fast start-up (typical 15 ms ) tight tolerance high shock resistance low aging cmos output optional output enable/disable with tri-state hermetically sealed ceramic package full military testing available designed and manufactured in the usa applications military, aerospace & avionics communications navigation gps industrial, computer & communications handheld instrumentation transponder/animal migration dimensions pin connections 1. output 2. ground 3. output enable/disable (e) or no connection (n) 4. v dd suggested land pattern
specifications specifications are typical at 25 o c unless otherwise noted. specifications are subject to change without notice. tighter specifications available (contact factory). supply voltage 1.8 v to 3.3 v ?0% calibration tolerance 1 ?5 ppm frequency stab ility ?0 to ?0 ppm for commercial over temperature 2 ?0 to ?00 ppm for industrial ?0 to 100 ppm for military output load (cmos) 15 pf aging, first year 5 ppm shock 5,000 g, 0.3 ms, ? sine vibration 3 20 g, 10-2,000 hz swept sine operating temp. range -10 o c to 70 o c (commercial) -40 o c to 85 o c (industrial) -55 o c to 125 o c (military) 1. other tolerances available. 2. does not include calibration tolerance. other tolerances available. 3. per mil-std-202g, method 204d, condition d. random vibration testing also available. statek corporation 512 n. main st., orange, ca 92868 714-639-7810 fax: 714-997-1256 www.statek.com 10217 rev a how to order CXOLAT 32.768 khz surface mount crystal oscillators ??if special or custom design. blank if std. CXOLAT 4 s n sm3 , 32.768k / 50 / 50 / / i frequency k = khz enable/disable option e or n terminations blank = sm1 =gold plated (lead free) sm2 = solder plated sm3 = solder dipped sm4 = solder plated sm5 = solder dipped (lead free) supply voltage 1 = 1.8 v 2 = 2.5 v 3 = 3.0 v 4 = 3.3 v //50/ i temp. 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) temp. 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 frequency stability over temp. range (in ppm) calibration tolerance @ 25 0 c (in ppm) or absolute maximum ratings supply voltage v dd -0.5 v to 5.0 v storage temperature -55 o c to 125 o c maximum process temperature 260 o c for 20 seconds packaging options CXOLAT - tray pack - 12 mm tape, 7?or 13?reels ( per eia 481) enable (pin 3 high*) disable (pin 3 low) output frequency output high z state oscillator oscillates stops current 15 aless than 1 a at 25 o c enable/disable options (e/n) for the 32.768 khz CXOLAT, 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 3 connected internally and so has no enable/disable capability. the following table summarizes the enable/disable option e. * when pin 1 is allowed to float, it is held high by an internal pull-up resistor. enable/disable option e function table symbol parameter min typ max unit v oh output voltage high 0.9v dd v v ol output voltage low 0.1v dd v t startup start-up time 15 ms t r rise time (10%-90%) 2.8 10 ns t f fall time (10%-90%) 2.4 10 ns duty cycle 45 50 55 % i dd current consumption 15 a electrical characteristics CXOLAT 32.768 khz all parameters are measured at 25? with a 10m and 15pf load with v dd 3.3 v.
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