product data sheet vectron international, 267 lowell road, hudson, nh 03051 tel: 1-88-vectron-1 ? web: www.vectron.com page 1 of 6 rev: 20jun06 fx-500 low jitter frequency translator features ? complete frequency translator to 77.760 mhz ? 3.3 volt or 5.0 volt supply ? capable of locking to an 8 khz pulse/bits clock ? tri-state output allows board test ? j-lead ceramic package ? advanced customer asic technology ? absolute pull range performance to 100 ppm ? cmos output ? commercial or industrial temperature range ? eia compatible tape and reel packaging ? rohs/lead free compliant description the fx-500 is a complete crystal-based frequency translator used in communications applications where low jitter is paramount. performance advantages include superior jitter performance, high output frequencies and small package size. advanced custom asic technology results in a highly robust, reliable and predictable device. the device is packaged in a 6 pin j-lead ceramic package with a hermetic seam welded lid. applications ? frequency translation, clock smoothing ? telecom ? sonet/sdh/atm ? datacom ? dslam, dslar, access nodes ? cable modem head end ? base station ? gsm, cdma ? military communications figure 1. functional block diagram
fx-500 low jitter fr equency translator vectron international, 267 lowell road, hudson, nh 03051 tel: 1-88-vectron-1 ? web: www.vectron.com page 2 of 6 rev: 20jun06 electrical performance parameter symbol minimum typical maximum units notes supply voltage v dd v dd 3.0 4.5 3.3 5.0 3.6 5.5 v v 1,5 supply current @ 19.44 mhz 48.408 mhz 77.760 mhz i dd i dd i dd 15 25 35 20 30 40 ma ma ma input input low level voltage input high level voltage frequency pulse width v il v ih f in 0.7* v dd 1k 6 0.3* v dd 77.76 m v v hz ns output output high level voltage output low level voltage v oh v ol 0.9*v dd 0.1*v dd v v transition times rise time fall time t r t f 1.8 1.8 3.0 3.0 ns ns 2 duty cycle < 60 mhz > 60 mhz d 45 40 55 60 % 3,5 nominal output frequency f o 0.100 77.76 mhz 4 absolute pull range apr see part numbering ppm leakage current of input i c -1 1 a loop bandwidth (-3 db), 8 khz input bw 10 hz jitter (application: 8 khz to 77.76 mhz) rms peak/peak peak/peak j 4.7 44 0.003 ps ps ui operating temperature t op -40 +85 c 5 package size 9.0 x 14.0 x 4.5 mm 1. a 0.1 f low frequency tantalum bypass capacitor in parallel with a 0.01 f high frequency ceramic capacitor is recommended. 2. figure 3 defines the waveform parameters. figure 2 illust rates the standard test conditions under which these parameters ar e specified and tested. 3. duty cycle is defined as (on time period), with vs = vdd/2, per figure 3. duty cycle is measured with a 15pf load per figure 2. 4. other frequencies may be ava ilable, please contact factory. 5. see standard frequencies and ordering information (pg 6). + - f in 4 3 . 1uf .01uf 15pf 5 2 6 1 i dd v dd 30k 2k figure 2. test circuit figure 3. output waveform
fx-500 low jitter fr equency translator vectron international, 267 lowell road, hudson, nh 03051 tel: 1-88-vectron-1 ? web: www.vectron.com page 3 of 6 rev: 20jun06 outline diagram suggested pad layout figu figure 4. figu figure 5. pin out pin # symbol function 1 f in input frequency 2 tri-state 1 logic low = output disable logic high = output enabled 3 gnd case and electrical ground 4 f o output frequency 5 ld 2 lock detect 6 v dd power supply voltage (3.3 v 0.3 or 5.0 v 0.5) 1. tristate is driven to logic high or logic low; there is no internal pull up or pull down resistor. 2. ld is an open collector output requiring a 30k ohm pullup resistor to v dd . ld output is logic high under lo cked condition, logic low for no input at f in , and for ?out-of-lock? condition ld transitions bet ween logic low and logic high at the phase detector frequency. tape and reel (eia-481-2-a) tape dimensions (mm) reel dimensions (mm) dimension w f do po p1 a b c d n w1 w2 # per tolerance typ typ typ typ typ typ min typ min min typ max reel fx-500 24 11.5 1.5 4 12 330 1.78 13 20.2 100 24.4 30.4 200 fx-500-lac-gnk 8k000/77m760 vi 142 1 4 3 6 2 5 inch [mm] .300 [7.62] .026 [0.66] .087 [2.21] .100 [2.54] .200 [5.08] po w a n f p1 w1 w2 c b d ?do
fx-500 low jitter fr equency translator vectron international, 267 lowell road, hudson, nh 03051 tel: 1-88-vectron-1 ? web: www.vectron.com page 4 of 6 rev: 20jun06 absolute maximum ratings parameter symbol ratings unit power supply v cc 0 to 7 vdc storage temperature ts -55 to 125 c soldering temp/time t ls 260/40 c/sec stresses in excess of the absolute maximum ratings can permanently damage the device. functional operation is not implied at these or any other conditions in excess of conditions represented in the operational sections of this data sheet. exposure to absolute maximum ratings for ex tended periods may adversely affect device reliability. reliability the fx-500 family is capable of meet ing the following qualification tests: environmental compliance parameter conditions mechanical shock mil-std-883, method 2002 mechanical vibration mil-std-883, method 2007 solderability mil-std-883, method 2003 gross and fine leak mil-std-883, method 1014 resistance to solvents mil-std-883, method 2016 handling precautions although esd protection circuitry has been designed into the fx-500 proper precautions should be taken when handling and mounting. vi employs a human body mo del and a charged-device model (cdm) for esd susceptibility testing and desi gn protection evaluation. esd ratings model minimum conditions human body model 1000 v mil-std 883, method 3015 charged device model 1000 v jedec, jesd22-c101
fx-500 low jitter fr equency translator vectron international, 267 lowell road, hudson, nh 03051 tel: 1-88-vectron-1 ? web: www.vectron.com page 5 of 6 rev: 20jun06 the fx-500 has been qualified to meet the jedec standard for pb-free assembly. the temperatures and time intervals listed are based on the pb-free small body requirements. the temperatures refer to the topside of the package, measured on the package body surface. the fx-500 device is hermetically sealed so an aqueous wash is not an issue. 25 217 200 150 260 temperature (degc) time (sec) t s t amb-p t l t p r up r dn reflow profile (ipc/jedec j-std-020c) parameter symbol value preheat time t s 60 sec min, 180 sec max ramp up r up 3 o c/sec max time above 217 o c t l 60 sec min, 150 sec max time to peak temperature t amb-p 480 sec max time at 260 o c t p 20 sec min, 40 sec max ramp down r dn 6 o c/sec max .
fx-500 low jitter fr equency translator vectron international, 267 lowell road, hudson, nh 03051 tel: 1-88-vectron-1 ? web: www.vectron.com page 6 of 6 rev: 20jun06 standard frequencies (mhz)* 0.00100 a1 0.40000 af 10.00000 c4 20.48000 e4 38.88000 h5 62.20800 j8 0.00400 a2 0.48000 ak 10.48720 dn 24.57600 e6 40.00000 jf 65.53600 j6 0.00800 a3 0.51200 aj 12.28800 d8 24.70400 e7 44.73600 j3 73.72800 k8 0.01000 a6 0.65545 ae 12.35200 d1 25.00000 f7 44.92800 je 77.76000 k2 0.01573 ad 1.02400 b2 16.00000 d9 25.60000 f6 49.15200 j7 0.01575 ac 1.22880 bk 16.38400 d5 27.00000 f4 49.40800 j2 0.04800 ab 1.54400 b3 19.44000 d6 32.00000 h2 50.00000 jd 0.06400 a5 2.04800 b4 19.69897 dk 32.76800 h3 51.84000 j4 0.10000 ah 6.31200 c7 19.71900 dh 34.36800 h6 60.00000 jr 0.25600 am 7.68000 c9 20.00000 e2 37.05600 h4 61.44000 j5 note 1: other frequencies are available upon request, please contact vi for details. ss is code for non-standard frequencies, list the frequency after the part number. note 2: not all combinations are possible. note 3: output frequency must be equal to or greater than the input frequency. the ratio of f o /f in must be an integer. also, the output frequency must be equal to greater than 100 khz. ordering information example: fx-500-lac-gnk-a3-k2 fx-500, 3.3v, cmos output, 0 to 70c operating temperatur e, 50 ppm apr, 40/60% duty cycle with an 8 khz input and 77.760 mhz output. for additional information, please contact: usa: vectron international ? 267 lowell rd. hudson, nh 03051 ? tel: 1-88-vectron-1 ? fax: 1-888-fax-vectron europe: landstrasse, d-74924, neckarbischofsheim, germany ? tel: 49 (0) 7268 8010 ? fax: 49 (0) 7268 801281 asia: 1f-2f, no 8 workshop, no. 308 fenju road, waigaoqiao free trade zone, pudong, shanghai, china 200131 tel: 86 21 5048 0777 ? fax: 86 21 5048 1881 vectron international reserves the right to make changes to th e product(s) and or information contained herein without notice. no liability is assumed as a result of t heir use or application. no rights under any patent accompany the sale of any such pro duct(s) or information.
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