product information is current as of publication date. the product conforms copyright ? 2006, 2007, pletronics inc. to specifications per the terms of the pletronics standard warranty. production processsing does not necessarily in clude testing of all parameters. sm77d series 1.8 v cmos clock oscillators feb 2008 ? pletronics? sm77d series is a quartz crystal controlled precision square wave generator with a cmos output. ? the sm77d series will directly interface ttl devices also. ? 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. ? 70 to 165 mhz ? 5 x 7 mm lcc ceramic package ? enable/disable function ? disable function includes low standby power mode ?3 rd overtone crystals used ? improved circuit to minimize oscillator issues such as multi-mode output signal. ? low jitter ? capable of driving up to 15pf capacitive loads pletronics inc. certifies this device is in accordance with the rohs 6/6 (2002/95/ec) and weee (2002/96/ec) directives. pletronics inc. guarantees the device does not contain the following: cadmium, hexavalent chromium, lead, mercury, pbb?s, pbde?s weight of the device: 0.17 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 +5.0v vi input voltage -0.5v to v cc + 0.5v vo output voltage -0.5v to v cc + 0.5v thermal characteristics the maximum die or junction temperature is 155 o c the thermal resistance junction to board is 30 to 50 o c/watt depending on the solder pads, ground plane and construction of the pcb.
sm77d series 1.8 v cmos clock oscillators feb 2008 www.pletronics.com 425-776-1880 2 part number: sm77 45 d e x -100.0m -xx part marking: packaging code or blank t250 = 250 per tape and reel t500 = 500 per tape and reel t1k = 1000 per tape and reel ple sm77 ff.fff m c ymdxx or ple sm77 ff.fff m c yywwxx or 7xywwxx ff.fff m c ple xxx frequency in mhz supply voltage v cc x = 1.8v + _ 5% optional enhanced otr blank = temp. range -10 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 marking 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 pack aging labels and packing list will correctly identify the ordered pletronics part number. codes for date code ymd code 6 7 8 9 0 1 2 year 2006 2007 2008 2009 2010 2011 2012 code a b c d e f g h j k l m month jan feb mar apr may jun jul aug sep oct nov dec code123456789abc day 123456789101112 code d e f g h j k l m n p r day 13 14 15 16 17 18 19 20 21 22 23 24 code t u v w x y z day 25 26 27 28 29 30 31 legacy part numbers: ?s? denoted symmetry of 45%/55% at 50% of v cc . this is now the standard duty cycle and is no longer needed inthe part number. we will still support part numbers with the ?s?. for example: sm7745dx and sm7745dsx describe the same specifications and c an be used interchangeably by the customer. electrical specification for 1.80v + _10% over the specified temperature range
sm77d series 1.8 v cmos clock oscillators feb 2008 www.pletronics.com 425-776-1880 3 item min max unit condition frequency range 70 165 mhz frequency accuracy ? 45 " -50 +50 ppm for all supply voltages, load changes, aging for 1 year, shock, vibration and temperatures ? 44 " -25 +25 ? 20 " -20 +20 output waveform cmos output high level 0.4 - v below v cc (see load circuit) output low level - 0.4 v (see load circuit) 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 frequency - 2.5 ps rms 10 hz to 1 mhz from the output frequency enable/disable internal pull-up 30 - 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 -10 ua enable time - 2 ms time for output to resume operation disable time - 200 ns time for output to reach a high z state start up time - 5 ms time for output to reach specified frequency operating temperature range -10 +70 o c standard temperature range - 40 +85 o c extended temperature range ? e ? option storage temperature range - 55 +125 o c
sm77d series 1.8 v cmos clock oscillators feb 2008 www.pletronics.com 425-776-1880 4 symmetry trise vhigh vlow tfall ground 20% * vcc 80% * vcc 50% * vcc electrical specification for 1.80v + _10% over the specified temperature range item min typ max unit condition v out high (v oh ) 0.4 0.3 - v below v cc , i oh = +8 ma v out low (v ol )-0.30.4vi ol = - 8 ma output t rise and t fall -1.52.5nsc load = 15 pf 20% to 80% of v cc (see load circuit) v cc supply current (i cc ) - 21 33 ma >125 mhz c load = 15 pf 20% to 80% of v cc (see load circuit) - 17 27 ma >95 mhz and < 125 mhz -1119ma < 95 mhz specifications with pad 1 e/d open circuit load circuit and test waveform
sm77d series 1.8 v cmos clock oscillators feb 2008 www.pletronics.com 425-776-1880 5 reliability : environmental compliance parameter condition mechanical shock mil-std-883 method 2002, condition 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
sm77d series 1.8 v cmos clock oscillators feb 2008 www.pletronics.com 425-776-1880 6 mechanical: inches mm a 0.276 + _0.006 7.00 + _0.15 b 0.197 + _0.006 5.00 + _0.15 c 0.068 + _0.018 1.73 + _0.44 d 1 0.038 0.96 e 1 0.200 5.08 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 inches 0.3 m minimum over 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 inhibited (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 s upply bypass capacitors as close as possible. layout and application information for optimum jitter performance, pletronics recommends: ? a ground plane under the device ? no large transient signals (both current and voltage) 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 mechanical fans.
sm77d series 1.8 v cmos clock oscillators feb 2008 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 2 times without degradation. tape and reel: available for quantities of 250 to 1000 per reel (< 250 = cut tape) 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
sm77d series 1.8 v cmos clock oscillators feb 2008 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 reserves the right to discontinue any product or service without notice. customers are responsible for obtaining the latest relevant information before placing orders and should verify that such information is current 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 specifications applicable at the time of sale in accordance with ple?s limited warranty. testing and other quality control techniques are used to the extent ple deems necessary to support this warranty. except where mandated by specific contractual documents, testing of all parameters of each product is not necessarily performed. ple assumes no liability for application assistance or customer product design. customers are responsible for their products and applications using ple components. to minimize the risks associated with the customer products and applications, customers should provide adequate design and operating safeguards. ple products are not designed, intended, authorized or warranted to be suitable for use in life support applications, devices or systems or other critical applications that may involve potential risks of death, 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 applications 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 ple patent right, copyright, artwork or other intellectual property right relating to any combination, machine or process which ple product or services are used. information 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 information may require a license from a third party under the patents or other intellectual property of the third party, or a license from ple under the patents or other intellectual property of ple. reproduction of information in ple data sheets or web 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 and implied warranties for the associated ple product or service and is an unfair or deceptive business practice. ple is not responsible for any such statements. 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 ? 2006, 2007 pletronics inc.
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