st a tek corpora tion 512 n. main st ., orange, ca 92868 714-639-7810 f ax: 714-997-1256 www .statek.com 10217 rev a cxola t oscilla tor 32.768 khz ultra-low power/fast start-up/ultra-miniature typical maximum dim inches mm inches mm a0 . 1 2 6 3 . 2 0 0 . 1 3 03.30 b0 . 0 5 9 1 . 5 0 0 . 0 6 31.60 c (sm1) 0.037 0.95 0.039 1.00 d0 . 0 2 9 0 . 7 5 0 . 0 3 00.77 e0 . 0 2 0 0 . 5 0 0 . 0 2 10.52 description the cxoxla t 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 a t cut crystal design. designed for applications requiring ultra- low current (15 ? ), fast start-up time (15 ms), a n d 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. fea tures ultra-low current (typical 15 ?) fast start-up (typical 15 ms ) ti g h t t o l e r a n c e high shock resistance low aging cmos output optional output enable/disable with t ri-state hermetically sealed ceramic package full military testing available designed and manufactured in the usa applica tions military , aerospace & a vionics 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 http://
specifica tions specifications are typical at 25 o c unless otherwise noted. specifications are subject to change without notice. t ighter specifications available (contact factory). supply v oltage 1.8 v to 3.3 v ? 0 % calibration t olerance 1 ? 5 p p m frequency s t a b ility ?0 to ?0 ppm for commercial over t emperature 2 ?0 to ?00 ppm for industrial ? 0 t o 100 p p m f o r military output load (cmos) 1 5 p f aging, first year 5 ppm shock 5,000 g, 0.3 ms, ? sine vi b r a t i o n 3 20 g, 10-2,000 hz swept sine operating t emp. range -10 o c to 70 o c (c o m m e r c i a l ) -40 o c to 85 o c (i n d u s t r i a l ) -55 o c to 125 o c (m i l i t a r y ) 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. st a tek corpora tion 512 n. main st ., orange, ca 92868 714-639-7810 f ax: 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. cxola t 4 s n sm3 , 32.768k / 50 / 50 / / i frequency k = khz enable/disable option e or n te r m i n a t i o n s blank = sm1 =g o l d p l a t e d (lead free) sm2 = solder plated sm3 = solder dipped sm4 = solder plated sm5 = solder dipped (lead free) supply v oltage 1 = 1.8 v 2 = 2.5 v 3 = 3.0 v 4 = 3.3 v //50/ i te m p . r a n g e : 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) te m p . r a n g e : 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 to l e r a n c e @ 25 0 c (in ppm) or absolute maximum ra tings supply v oltage 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 pa c k a g i n g o p t i o n s cxola t - t ray 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 cxola t , statek of fers two enable/disable options: e and n. the e-version has a t ri- 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 t able 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 cxola t 32.768 khz all parameters are measured at 25? w i t h a 1 0 m and 15pf load with v dd 3.3 v.
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