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model: fxo-lc73 series page 1 of 15 fox electronics 5570 enterprise parkway fort myers, florida 33905 usa +1.239.693.0099 fax +1.239.693.1554 http://www.foxonline.com emea tel/fax: +44 .1767.312632 | asia hong kong tel: +852.2854.4285 fax +852.2854.4282 taiwan tel: +886.2.22073427 fax +886.2.22073486 | japan tel: +81.3.3374.2079 fax: +81.3.3374.5221 ? 2008 fox electronics | iso9001:2000 certified lvds 7 x 5mm 3.3v oscillator fre q : 0.75 mhz to 1.35ghz applications ? any application requiring an oscillator ? sonet ? ethernet ? storage area network ? broadband access ? microprocessors / dsp / fpga ? industrial controllers ? test and measurement equipment ? contents page model selection & part number guide 2 electrical characteristic 3 absolute maximums 3 output wave characteristics 4 phase noise 5 jitter 5 pin assignment 6 recommended circuit 6 reflow 6 mechanical drawing and pad layout 7 tape and reel specification 8 label 8 traceability ? lot number & serial identification 9 rohs material declaration 10 sgs report 11 & 12 mechanical test 13 burn-in test 13 mttf / fits calculations 14 other x press o links 15 fox contact information 15 description the fox x press o crystal oscillator is a breakthrough in configurable frequency control solutions. x press o utilizes a family of proprietary asics, designed and developed by fox, with a key focus on noise reduction technologies. the 3 rd order delta sigma modulator reduces noise to the levels that are comparable to traditional bulk quartz and saw oscillators. the asics family has ability to select the output type, input voltages, and temperature performance features. with the x press lead-time, low cost, low noise, wide frequency range, excellent ambient performance, xpresso is an excellent choice over the conventional technologies. finished x press o parts are 100% final tested. output enable / disable v gnd dd for more information -- click on the drawing press x fox asics o rev. 1 2 /1 2 /200 7 features x tremely low jitter low cost x press delivery frequency resolution to six decimal places stabilities to 20 ppm -20 to +70c or -40 to +85c operating temperatures tri-state enable / disable feature industry standard package, footprint & pin-out fully rohs compliant gold over nickel termination finish serial id with comprehensive traceability
fxo-lc73 series page 2 of 15 ? 2008 fox electronics | iso9001:2000 certified this example, fxo-lc736r-781.25 = lvds output, ceramic, 7 x 5mm package, 3.3v, 25 ppm stability, -40 to +85c temperature range, at 781.25 mhz model selection guide & fox part number 7 7 1 ? 7 8 1 . 2 5 ? 1 the 1 s t field product code # 767 = fxo?hc5 768 = fxo?hc7 770 = fxo?lc5 771 = fxo?lc7 773 = fxo?pc5 774 = fxo?pc7 the 2 n d field the customer?s frequency the 3 r d field fox internally generated number (if any specification changes, the last digits change) (the same specs for a different customer also changes the last digits) step #2: the fox customer service team provides a customer specific part number for use on their bill of materials (bom). fox part number (the assigned fox part number must be on the bom ? not the above model description) (this will ensure receipt of the proper part) h = hcmos l = lvds p = lvpecl m = lvds (pin 2 e/d) q = lvpecl (pin 2 e/d) x = hcmos (comp 2 nd output) 0 = 100 ppm 5 = 50 ppm 6 = 25 ppm 8 = 20 ppm (-20 ~ +70c) 5 = 5 x 3.2mm 7 = 7 x 5mm c = ceramic q = quartz blank = -20c to +70c r = -40c to +85c 3 = 3.3 v 2 = 2.5 v f x o ? l c 7 3 6 r ? 7 8 1 . 2 5 frequency (in mhz) resolutions to 6 places p ast the decimal p oin t step #1: customer selects the model description and provides to fox customer service model description
fxo-lc73 series page 3 of 15 ? 2008 fox electronics | iso9001:2000 certified electrical characteristics parameters symbol condition maximum value (unless otherwise noted) frequency range f o 0.750 mhz to 1.35 ghz frequency stability 1 100, 50, 25, & 20 ppm temperature range t o t stg standard operating optional operating storage -20c to +70c -40c to +85c -55c to +125c supply voltage v dd standard 3.3 v 5% input current (@ 100 ohm load) i dd standard load 100 ma output load differential standard 100 ohms typ. start-up time t s 10 ms output enable / disable time 100 ns moisture sensitivity level msl jedec j-std-20 1 termination finish au note 1 ? stability is inclusive of 25c tolerance, operating temperature range, input volt age change, load change, aging, shock and vibration. absolute maximum ratings (useful life may be impaired. for user guidelines only, not tested) parameters symbol condition maximum value (unless otherwise noted) input voltage v dd ?0.5v to +5.0v operating temperature t amax ?55c to +105c storage temperature t stg ?55c to +125c junction temperature 150c esd sensitivity hbm human body model 1 kv
fxo-lc73 series page 4 of 15 ? 2008 fox electronics | iso9001:2000 certified note1 an optional pin # 2 as enable / disable is av ailable ? see model selection guide (page 2) output wave characteristics parameters symbol condition maximum value (unless otherwise noted) differential output voltage v od 0.75 mhz to 1.35 ghz 0.6v typ. output offset voltage v os volts dc 1.3v typ output symmetry (see drawing below) @ 50% v p-p level 45% ~ 55% output enable (pin # 1) voltage note1 v ih > 70% v dd output disable (pin # 1) voltage note1 v il < 30% v dd cycle rise time (see drawing below) t r 20%~80% 400 ps cycle fall time (see drawing below) t f 80%~20% 400 ps ideally, symmetry should be 50/50 for 1/2 period -- other expressions are 45/55 or 55/45 output 1 output 2 50% v p-p 1/2 period period oscillator symmetry rise time / fall time measurements output 1 20% to 80% output 2 t r t f 1.30v typ. 50% v p-p 0.6v typ. p-p
fxo-lc73 series page 5 of 15 ? 2008 fox electronics | iso9001:2000 certified jitter is frequency dependent. below are typical values at select frequencies. phase jitter is integrated from hp3048 phase noise measurement system; measured directly into 50 ohm input; v dd = 3.3v. tie was measured on lecroy lc684 digital storage scope, directly into 50 ohm input, with amherst m1 software; v dd = 3.3v. per mjsq spec (methodologies for jitter and si gnal quality specifications) rj and dj , measured on lecroy lc684 digital storage scope, directly into 50 ohm input, with amherst m1 software. per mjsq spec (methodologies for jitter and si gnal quality specifications) lvds phase jitter & time interval error (tie) frequency phase jitter (12khz to 20mhz) t i e (sigma of jitter distribution) units 62.5 mhz 0.77 3.0 ps rms 156.25 mhz 1.19 3.6 ps rms 212.5 mhz 0.89 3.9 ps rms 622.08mhz 0.99 3.2 ps rms lvds random & determini stic jitter composition frequency random (rj) (ps rms) deterministic (dj) (ps p-p) total jitter (tj) (14 x rj) + dj 62.5 mhz 1.3 7.0 24.9 ps 156.25 mhz 1.3 5.8 23.6 ps 212.5 mhz 0.9 6.7 18.7 ps 622.08 mhz 1.1 5.3 20.7 ps phase noise offset frequenc y ( 10hz to 40mhz ) (dbc / hz) vs. offset frequency phase noise graph 1k -110dbc -120dbc -130dbc -150dbc -140dbc -160dbc 10 100 -100dbc -60dbc -80dbc -90dbc -70dbc -40dbc -50dbc -30dbc -20dbc -10dbc 0 dbc 1m 10k 100k four frequencies matching 10m 40m 62.5 mhz 212.5 mhz 622.08 mhz 62.5 mhz 622.08 mhz 212.5 mhz 156.25mhz 156.25mhz data collected using hp 3048a the below jitter measurements
fxo-lc73 series page 6 of 15 ? 2008 fox electronics | iso9001:2000 certified note: x press o lvds xos are designed to fit on industry standard, 6 pad layouts pin description and recommended circuit pin # name type function 1 e / d 1 logic enable / disable control of output (0 = disabled) 2 nc no connection ? leave open 3 gnd ground electrical ground for v dd 4 output output lvds oscillator output 5 output 2 output complimentary lvds output 6 v dd 2 power power supply source voltage notes: 1 includes pull-up resistor to v dd to provide output when the pin (1) is no connect. 2 installation should include a 0.01f bypass capacitor placed between v dd (pin 6) and gnd (pin 3) to minimize power supply line noise. e / d v dd nc output 2 gnd output terminations as viewed from the top enable / disable control pin # 1 (state) output (pin # 4, pin # 5) open (no connection) active output ?1? level v ih > 70% v dd active output ?0? level v il < 30% v dd high impedance 3 1 4 6 soldering reflow profile (2 times maximum at 260c for 10 seconds max) 25c 160c 180c 225c 260c 10 seconds max within 5c of 260c peak ramp down not to exceed 6c/s ramp-up 3c/s max p t 120 20 seconds in pre-heating area above 225c reflow area 5010 seconds 400 seconds max from +25c to 260c peak 2 5 # 5 # 2 n c gnd # 3 # 4 e/d # 1 # 6 0.01 f v dd output 2 100 output
fxo-lc73 series page 7 of 15 ? 2008 fox electronics | iso9001:2000 certified mechanical dimensional drawing & pad layout actual part marking is depicted. see traceability (pg. 9) for more information drawing is for reference to critical spec ifications defined by size measurements. certain non-critical visual attributes, such as side castellations, reference pin shape, etc. may vary note: x press o lvds xos are designed to fit on industry standard, 6 pad, layouts. pin connections #1) e/d #4) output #2) nc #5) output 2 #3) gnd #6) v dd view 1.8 2 top 2.6 #1 #2 #3 4.2 5.08 2.54 5.08 solder pad layout recommended #5 #6 #4 5.2 max 1.4 max #1 #2 #3 2.54 1.4 0.5 press 7.5 max #5 #6 x #4 o
fxo-lc73 series page 8 of 15 ? 2008 fox electronics | iso9001:2000 certified an additional identification code is contained inte rnally if tracking should ever be necessary tape and reel dimensions labeling (reels and smaller packaging are labeled with the below) ?1.5mm 4.0mm 8.0mm 7.5mm 16mm 2.15mm 2.0 255.0 17.5 80.0 2.0 ?13.0 ?21.0 120 ?21.0 ?13.0 17.5 2.0 178.0 62.0 2.0 2.0 2k reel dimensions 1k reel dimensions in mm in mm ? fox part number: 771-781.25-1 ? quantity: 2000 pieces ? lot # 24435 if traceability should become necessary ? description: fxo-lc736r-781.25 ? date code 0745 ( yyww 2007 45 th wk ) 7 7 1 - 781. 2 5 - 1 fxo-lc736r-781.25
fxo-lc73 series page 9 of 15 ? 2008 fox electronics | iso9001:2000 certified lot number the lot number has direct ties to the customer purchase order. the lot number is marked on the ?reel? label, and also stored internally on non-volatile memory inside the x press o part. x press o parts that are shipped tape and reel, are also placed in an electro static discharge (esd) bag and will have the lot number labeled on the exterior of the esd bag. it is recommended that the x press o parts remain in this esd bag during storage for protection and identification. if the parts become separated from the label showing the lot number, it can be retrieved from inside one of the parts, and the information that can be obtained is listed below: ? customer purchase order number ? internal fox sales order number ? dates that the x press o part was shipped from the factory ? the assigned customer part number ? the specification that the part was designed for serial identification the serial id is the individualized information about the configuration of that particular x press o part. the serial id is unique for each and every x press o part, and can be read by special fox equipment. with the serial id, the below information can be obtained about that individual, x press o part: ? equipment that the x press o part was configured on ? raw material used to configure the x press o part ? traceability of the raw material back to the foundries manufacturing lot ? date and time that the part was configured ? any optimized electrical parameter s based on customer specifications ? electrical testing of the actual completed part ? human resource that was monitoring the configuration of the part fox has equipment placed at key fox locations world wide to read the lot identification and serial number of any x press o part produced and can then obtain the information from above within 24 hours traceabilit y ? lot number & serial identification
fxo-lc73 series page 10 of 15 ? 2008 fox electronics | iso9001:2000 certified material name component content content (mg) (cas number) cover kovar nickel (ni) 5.09 3.63% 7440-02-0 cobalt (co) 3.15 2.24% 7440-48-4 iron (fe) 9.47 6.75% 7439-89-6 base ceramic alumina (al 2 o 3 ) 79.178 56.4% 1344-28-1 silicon oxide (sio 2 ) 3.143 2.24% 14808-60-7 chromium oxide (cr 2 o 3 ) 3.379 2.41% 1308-38-9 titanium oxide (tio 2 ) 0.873 0.622% 13463-67-7 magnesium oxide (mgo) 0.437 0.311% 1309-48-4 calcium oxide (cao) 0.297 0.212% 1305-78-8 + metallization tungsten (w) 12.272 8.74% 7440-33-7 molybdenum (mo) 0.380 0.27% 7439-98-7 + nickel plating nickel (ni) 4.740 3.38% 7440-02-0 cobalt (co) 0.395 0.28% 7440-48-4 + gold plating gold (au) 0.624 0.445% 7440-57-5 seal ring iron (fe) 5.809 4.14% 7439-89-6 nickel (ni) 3.119 2.22% 7440-02-0 cobalt (co) 1.829 1.30% 7440-48-4 silver solder silver (ag) 2.269 1.62% 7440-22-4 copper (cu) 0.400 0.285% 7440-50-8 aluminum (al) 0.0021 0.00150% 7429-90-5 silicon (si) 0.950 0.68% 7440-21-3 gold gold (au) 0.480 0.342% 7440-57-5 adhesive silver (ag) 0.000210 0.000150% 7440-22-4 epoxy 0.0000700 0.0000499% crystal crystal silicon dioxide (sio 2 ) 2.04 1.45% 14808-60-7 electrode silver (ag) 0.019 0.0135% 7440-22-4 nickel (ni) 0.000159 0.000113% 7440-02-0 adhesive silver (ag) 0.00037 0.000264% 7440-22-4 silicon (si) 0.000125 0.000089% 7440-21-3 total 140.3 100.00% rohs material declaration
fxo-lc73 series page 11 of 15 ? 2008 fox electronics | iso9001:2000 certified 3 rd party (sgs) material report
fxo-lc73 series page 12 of 15 ? 2008 fox electronics | iso9001:2000 certified 3 rd party (sgs) material report (continued)
fxo-lc73 series page 13 of 15 ? 2008 fox electronics | iso9001:2000 certified xpresso lvds burn-in freq = 10mhz; vdd = 3.3v; ta = 125c; n = 120 -20 -15 -10 -5 0 5 10 initial 250 hours 500 hours 1000 hours 2000 hours frequency drift (p p burn-in testing ? under power 2000 hours, 125c mechanical testing parameter test method mechanical shock drop from 75cm to hardwood surface ? 3 times mechanical vibration 10~55hz, 1.5mm amplitude, 1 minute sweep 2 hours each in 3 directions (x, y, z) high temperature burn-in under power @ 125c for 2000 hours (results below) hermetic seal he pressure: 4 1 kgf / cm 2 2 hour soak 2,000 hour burn-in
fxo-lc73 series page 14 of 15 ? 2008 fox electronics | iso9001:2000 certified products are grouped together by process for mttf calculations. (all xpresso output and package types are ma nufactured with the same process) number of parts tested: 360 (120 of each output type: hcmos, lvds, lvpecl) number of failures: 0 test temperature: 125c number of hours: 2000 mttf was calculated using the following formulas: [1.] device hours ( devhrs ) = (number of devices) x (hours at elevated temperature in k) [2.] 2 2 = af devhrs mttf [3.] fits = mttf 1 * 10 9 where: label name formula/value af acceleration factor e t t k ev ) 1 1 ( ) ( 2 1 ? ev activation energy 0.40 v k bolzman?s constant 8.62 x 10 -5 ev /k t 1 operating temperature (k) t 2 accelerated temperature (k) theta confidence level (60% industry standard) r failures number of failed devices 2 chi-square statistical significance for bivariate tabular analysis [table look- up] based on assumed (theta ? confidence) and number of failures (r) for zero failures (60% confidence): 2 = 1.830 device-hours = 360 x 2000 hours = 720,000 acceleration factor = e ) 398 1 298 1 ( ) 625 . 8 40 . 0 ( ? = 49.91009 mttf = 833 . 1 2 91009 . 49 000 , 720 = 15,607,065 hours failure rate = 2 91009 . 49 000 , 720 833 . 1 = 6.41e-8 fits = failure rate *1e9 = 64 mttf / fits calculations
fxo-lc73 series page 15 of 15 ? 2008 fox electronics | iso9001:2000 certified other x press o links x press o brochure crystal oscillators hcmos 5 x 3.2mm 3.3v xo 0.75 to 250mhz hcmos 7 x 5mm 3.3v xo 0.75 to 250mhz lvpecl 5 x 3.2mm 3.3v xo 0.75 to 1.35ghz lvpecl 7 x 5mm 3.3v xo 0.75 to 1.35ghz lvds 5 x 3.2mm 3.3v xo 0.75 to 1.35ghz lvds 7 x 5mm 3.3v xo 0.75 to 1.35ghz voltage controlled crystal oscillators hcmos 5 x 3.2mm 3.3v vcxo 0.75 to 250mhz hcmos 7 x 5mm 3.3v vcxo 0.75 to 250mhz lvpecl 5 x 3.2mm 3.3v vcxo 0.75 to 1.35ghz lvpecl 7 x 5mm 3.3v vcxo 0.75 to 1.35ghz lvds 5 x 3.2mm 3.3v vcxo 0.75 to 1.35ghz lvds 7 x 5mm 3.3v vcxo 0.75 to 1.35ghz main website www.foxonline.com patent numbers: us 6,664,860, us 5,960,403, us 5,952,890; us 5,960,405; us 6,188,290; foreign patents: r.s.a. 98/0866, r.o.c. 120851; singapore 67081, 67082; ep 0958652 china zl 98802217.6, malaysia my-118540-a, philippines 1-1998-000245, hong kong #hk1026079, mexico #232179 us and foreign patents pending xpresso? fox electronics contact information fox hong kong fox japan tel: +852.2854.4285, tel:+81.3.3374.2079, (usa)-worldwide headquarters fax:+852.2854.4282 fax: +81.3.3377.5221 tel: 888-get-2-fox email: www.foxonline.com/ email.htm email: www.fo xonline.com/email.htm outside us: +1.239.693.0099, fax:+1.239.693.1554 fox emea fox taiwan email: www.foxonlin e.com/email.htm tel/fax: +44.1767.312632 tel:+886-2-22073427, email: www.foxonlin e.com/email.htm fax:+886-2-22073486 email: www.foxonlin e.com/email.htm the above specifications, hav ing been carefully prepared and checked, is believed to be accurate at the time of publication; ho wever, no responsibility is assumed by fo x electronics for inaccuracies. notes :

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