product information is current as of publication da te. the product conforms copyrigh t ? 2011 pletronics inc. to specifications per the terms of the pletronics s tandard warranty. production processsing does not necessarily include testing of all parameters. sm55t series 2 .5 v cmos clock o scillators february 2012 ? pletronics? sm55 series is a quartz crystal controlled precision square wave generator with a cmos output. ? the package is designed for high density surface mount designs. ? this is a low cost mass produced oscillator. ? tape and reel or cut tape packaging is available. ? 0.8 to 190 mhz ? 3.2 x 5 mm lcc ceramic package ? enable/disable function ? disable function includes low standby power mode ? low jitter pletronics inc. certifies this device is in accorda nce with the rohs 6/6 (2002/95/ec) and weee (2002/96/ec) directi ves. pletronics inc. guarantees the device does not cont ain the following: cadmium, hexavalent chromium, lead, mercury, pbb?s, pbde?s weight of the device: 0.064 grams moisture sensitivity level: 1 as defined in j-std -020c second level interconnect code: e4 absolute maximum ratings: parameter unit v cc supply voltage -0.5v to +7.0v vi input voltage -0.5v to v cc + 0.5v vo output voltage -0.5v to v cc + 0.5v io output current +25 ma to -25 ma thermal characteristics the maximum die or junction temperature is 155 o c the thermal resistance junction to board is 30 to 5 0 o c/watt depending on the solder pads, ground plane and construction of the pcb.
sm55t serie s 2.5 v cmos cl ock oscillators february 2012 www.pletronics.com 425-776-1880 2 p ff.fff m c cc c ymdxx p ff.fff m c cc c yywwxx p5xywwx c cc c ff.fff m ple sm55 ff.fff m c cc c ymdxx 5xywwxx ff.fff m c cc c ple xx part number: sm55 45 t e w - 75.0m -xx packaging code or blank t250 = 250 per tape and reel t500 = 500 per tape and reel t1k = 1000 per tape and reel frequency in mhz supply voltage v cc w = 2.5v +_ 10% optional enhanced otr blank = temp. range -10 to +70 o c c = temp. range -20 to +70 o c e = temp. range -40 to +85 o c series model frequency stability 45 = +_ 50 ppm 44 = +_ 25 ppm 20 = +_ 20 ppm series model part marking and legend: ple = pletronics ff.fff m = frequency in mhz yyww or yww or ymd = date of manufacture (year and week, or year-month -day) all other marking is internal factory codes specifications such as frequency stability, supply voltage and operating temperature range, etc. are not identified from the marking. external packaging labels and packing list will correctly identify th e ordered pletronics part number. codes for date code ymd code 10 1 2 3 4 code a b c d e f g h j k l m year 2010 2011 2012 2013 2014 month jan feb mar apr may jun jul aug sep oct nov dec code 1 2 3 4 5 6 7 8 9 a b c d e f g day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 code h j k l m n p r t u v w x y z day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
sm55t serie s 2.5 v cmos cl ock oscillators february 2012 www.pletronics.com 425-776-1880 3 electrical specification for 2.50v +_10% over the s pecified temperature range item min max unit condition frequency range 0.8 190 mhz frequency accuracy ? 45 " -50 +50 ppm for all supply voltages, load changes, agi ng for 1 year, shock, vibration and temperatures ? 44 " -25 +25 ? 20 " -20 +20 output waveform cmos output high level 90 - % of v cc (see load circuit) output low level - 10 % output symmetry 45 55 % at 50% point of v cc (see load circuit) jitter - 0.6 ps rms 12 khz to 20 mhz from the output fr equency - 2.5 ps rms 10 hz to 1 mhz from the output frequency enable/disable internal pull-up 50 - kohm to v cc v disable - 30 % of v cc applied to pad 1 v enable 70 - % output leakage v out = v cc -10 +10 ua pad 1 low, device disabled v out = 0v -10 +10 ua standby current i cc - 3 ua enable time - 3 ms time for output to reach the specifi ed frequency and the output to turn on disable time - 100 ns time for output to reach a high z state start up time - 3 ms time for output to reach specified frequency operating temperature range -10 +70 o c standard temperature range -20 +70 o c extended temperature range ? c ? option -40 +85 o c extended temperature range ? e ? option storage temperature range -55 +125 o c
sm55t serie s 2.5 v cmos cl ock oscillators february 2012 www.pletronics.com 425-776-1880 4 -180 -160 -140 -120 -100 -80 -60 -40 -20 0 10 1,000 100,000 10,000,000 frequency (hz) dbc/hz 19.4m 25m 32m 50m 66.7m electrical specification for 2.50v +_10% over the s pecified temperature range item typ max unit condition output t rise and t fall - 7 ns < 35 mhz c load = 15 pf 10% to 90% of v cc see load circuit 4 ns > 35 mhz and < 70 mhz - 3 ns > 70 mhz - 9 ns < 35 mhz c load =30 pf 10% to 90% of v cc see load circuit - 12 ns > 35 mhz and < 70 mhz - 4 ns > 70 mhz v cc supply current (i cc ) - 6 ma < 8 mhz c load = 15 pf - 8 ma > 8 mhz and < 16 mhz - 11 ma > 16 mhz and < 35 mhz - 29 ma > 35 mhz and <70 mhz - 50 ma > 70 mhz and <120 mhz - 70 ma > 120 mhz - 7 ma < 8 mhz c load = 30 pf - 8 ma > 8 mhz and < 16 mhz - 10 ma > 16 mhz and < 35 mhz - 41 ma > 35 mhz and <70 mhz - 57 ma > 70 mhz and <120 mhz - 92 ma > 120 mhz specifications with pad 1 e/d open circuit typical phase noise plot for 5 oscillators at diffe rent output frequencies.
sm55t serie s 2.5 v cmos cl ock oscillators february 2012 www.pletronics.com 425-776-1880 5 trise 10% * vcc ground vlow 50% * vcc 90% * vcc vhigh tfall symmetry load circuit and test waveform reliability : environmental compliance parameter condition mechanical shock mil-std-883 method 2002, condit ion b vibration mil-std-883 method 2007, condition a solderability mil-std-883 method 2003 thermal shock mil-std-883 method 1011, condition a esd rating model minimum voltage conditions human body model 1500 mil-std-883 method 3115 charged device model 1000 jesd 22-c101 package labeling label is 1" x 2.6" (25.4mm x 66.7mm) label is 1" x 2.6" (25.4mm x 66.7mm) font is courier new font is arial bar code is 39-full ascii
sm55t serie s 2.5 v cmos cl ock oscillators february 2012 www.pletronics.com 425-776-1880 6 mechanical: inches mm a 0.197 +_0.006 5.00 +_0.15 b 0.126 +_0.006 3.20 +_0.15 c 0.045 +_0.004 1.15 +_0.10 d 1 0.048 1.23 e 1 0.100 2.54 f 1 0.004 0.10 g 1 0.050 1.27 h 1 0.055 1.40 not to scale 1 typical dimensions i 1 0.024 0.60 j 1 0.004 0.10r k 1 0.008 0.020r contacts : gold 11.8 to 39.4 inches (0.3 to 1.0 m) ove r nickel 50 to 350 inches (1.27 to 8.89 m) pad function note 1 output enable/disable when this pad is not connected the oscillator shall operate. when this pad is logic low the output will be inhi bited (high impedance state.) recommend connecting this pad to v cc if the oscillator is to be always on. 2 ground (gnd) 3 output 4 supply voltage (v cc ) recommend connecting appropriate power supply bypas s capacitors as close as possible. layout and application information for optimum jitter performance, pletronics recommen ds: ? a ground plane under the device ? no large transient signals (both current and volta ge) should be routed under the device ? do not layout near a large magnetic field such as a high frequency switching power supply ? do not place near piezoelectric buzzers or mechani cal fans.
sm55t serie s 2.5 v cmos cl ock oscillators february 2012 www.pletronics.com 425-776-1880 7 260c maximum 10 seconds maximum 215c10c approximately 50 seconds allowed rate of temperature change maximum 4c per second 120 to 160 seconds 100 150 200 250 temperature (c) 175c10c reflow cycle (typical for lead free processing) the part may be reflowed 3 times without degradatio n. tape and reel: available for quantities of 250 to 1 000 per reel, cut tape for < 250 constant dimensions table 1 tape size d0 d1 min e1 p0 p2 s1 min t max t1 max 8mm 1.5 +0.1 -0.0 1.0 1.75 +_0.1 4.0 +_0.1 2.0 +_0.05 0.6 0.6 0.1 12mm 1.5 16mm 1.5 2.0 +_0.1 24mm 1.5 variable dimensions table 2 tape size b1 max e2 min f p1 t2 max w max ao, bo & ko 16 mm 12.1 14.25 7.5 +_0.1 8.0 +_0.1 8.0 16.3 note 1 note 1: embossed cavity to conform to eia-481-b dimensions in mm not to scale reel dimensions a inches 7.0 10.0 13.0 mm 177.8 254.0 330.2 b inches 2.50 4.00 3.75 mm 63.5 101.6 95.3 tape width c mm 13.0 +0.5 / -0.2 d mm 16.4 +2.0 -0.0 16.4 +2.0 -0.0 16.4 +2.0 -0.0 16.0 reel dimensions may vary from the above
sm55t serie s 2.5 v cmos cl ock oscillators february 2012 www.pletronics.com 425-776-1880 8 important notice pletronics incorporated (ple) reserves the right to make corrections, improvements, modifications and other changes to this product at anytime. ple reser ves the right to discontinue any product or service without notice. customers are responsible for obtai ning the latest relevant information before placing orders and should verify that such information is c urrent and complete. all products are sold subject to ple?s terms and conditions of sale supplied at the time of order acknowledgment. ple warrants performance of this product to the spe cifications applicable at the time of sale in accor dance with ple?s limited warranty. testing and other qual ity control techniques are used to the extent ple deems necessary to support this warranty. except wh ere mandated by specific contractual documents, testing of all parameters of each product is not ne cessarily performed. ple assumes no liability for application assistance or customer product design. customers are responsible for their products and applications usi ng ple components. to minimize the risks associated with the customer products and applications, custom ers should provide adequate design and operating safeguards. ple products are not designed, intended, authorized or warranted to be suitable for use in life suppor t applications, devices or systems or other critical applications that may involve potential risks of de ath, personal injury or severe property or environmental damage. inclusion of ple products in such applications is understood to be fully at the risk of the customer. use of ple products in such applic ations requires the written approval of an appropriate ple officer. questions concerning potential risk applications should be directed to ple. ple does not warrant or represent that any license, either express or implied, is granted under any pl e patent right, copyright, artwork or other intellect ual property right relating to any combination, mac hine or process which ple product or services are used. inf ormation published by ple regarding third-party products or services does not constitute a license from ple to use such products or services or a warranty or endorsement thereof. use of such inform ation may require a license from a third party unde r the patents or other intellectual property of the t hird party, or a license from ple under the patents or other intellectual property of ple. reproduction of information in ple data sheets or w eb site is permissible only if the reproduction is without alteration and is accompanied by associated warranties, conditions, limitations and notices. reproduction of this information with alteration is an unfair and deceptive business practice. ple is not responsible or liable for such altered documents. resale of ple products or services with statements different from or beyond the parameters stated by ple for that product or service voids all express a nd implied warranties for the associated ple produc t or service and is an unfair or deceptive business prac tice. ple is not responsible for any such statement s. contacting pletronics inc. pletronics inc. tel: 425-776-1880 19013 36 th ave. west fax: 425-776-2760 lynnwood, wa 98036-5761 usa e-mail: ple-sales@pletronics.com url: www.pletronics.com copyright ? 2007, 2010, 2011 pletronics inc.
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