vectron international, 267 lowell road, hudson, nh 03051 tel: 1-88-vectron-1 ? web: www.vectron.com page 1 of 8 rev: 8nov06 fx-427 low jitter frequency translator features ? quartz-based pll for ultra-low jitter ? frequency translation up to 850 mhz ? accepts 4 externally-muxed clock inputs ? lvcmos/lvds/lvpecl inputs compatible ? differential l vpecl outputs ? lock detect ? output disable ? 20.3 x 13.7 x 5.1 mm surface mount package ? compliant to ec rohs directive description the fx-427 is a precision quartz-based frequency translator used to translate 1 to 4 selected input clocks as low as 8 khz to an integer multiple as high as 850 mhz. the fx-427?s superior jitter performance is achieved through the filtering action of the on-board voltage-c ontrolled saw oscillator (vcso) and integrated loop filter. two low-jitter outputs are provided. monitoring and control functionality are also standard features. applications ? wireless infrastructure ? 802.16 bts ? 10 gigabit fc ? 10gbe lan / wan ? oadm and ip routers ? test equipment figure 1. functional block diagram
fx-427 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 8 rev: 8nov06 table 1. electrical performance parameter symbol minimum typical maximum units notes frequency input frequency capture range output frequency - primary output frequency - secondary f in apr f out1 f out2 0.008 40 500 125 200 850 850 mhz ppm mhz mhz 1,2,3 1,2,3 1,2,3 1,2,3 supply voltage current (no load) v cc i cc 3.13 3.3 140 3.46 180 v ma 2,3 3 input signal cmos lvds lvpecl f in f in f in cmos lvds lvpecl 2,3 differential output (options f and p ) common mode output voltage dc output high voltage dc output low voltage peak-to-peak output voltage rise time fall time symmetry v ocm v oh v ol v p-p t r t f sym v cc -1.5 v cc -1.085 v cc -1.830 45 v cc -1.3 v cc -0.950 v cc -1.700 700 0.5 0.5 50 v cc -1.1 v cc -0.880 v cc -1.620 55 v v v mv-pp ns ns % 3,5 3,5 3,5 3,5 4,5 4,5 2,3 ssb phase noise, f out = 155.52/622.08 @ 10 hz offset @ 100 hz offset @ 1 khz offset @ 10 khz offset @ 100 khz offset @ 1 mhz offset @ 10 mhz offset n n n n n n n -64/-27 -95/-55 -123/-85 -143/-110 -146/-130 -146/-146 -146/-146 dbc/hz dbc/hz dbc/hz dbc/hz dbc/hz dbc/hz dbc/hz 5,6 jitter generation 155.52 mhz (12 khz ? 20 mhz bw) 622.08 mhz (12 khz ? 20 mhz bw) j j 0.30 0.12 ps rms ps rms 5, 6 operating temperature (options c or f ) t op 0 to 70 or -40 to +85 c 1,3 1. see standard frequencies and ordering information. 2. parameters are tested with production test circuit below (fig 2). 3. parameters are tested at ambient temperature with test limits guard banded for specified operating temperature. 4. measured from 20% to 80% of a full output swing (fig 3). 5. not tested in production, guaranteed by design, verified at qualification. 6. the fx-427 phase noise and jitter perfo rmance can be optimized for spec ific applications. please consult with vectron?s ap plication engineers for more information. figure 2. test circuit figure 3. lvpecl waveform
fx-427 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 8 rev: 8nov06 figure 4. pin configuration table 2. pin out pin # symbol i/o level function 1 sel0 i lvcmos frequency select - see table 3 2 sel1 i lvcoms frequency select ? see table 3 3 gnd gnd supply case and electrical ground 4 not present 5 vmon o analog (0 ? vcc) vcxo control voltage monitor under locked conditions vmon should be > 0.3v and <3.0v. the input frequency may be out of range if t he voltage exceeds these levels. 6 od i lvcmos output disable disabled = logic ?1? enabled = logic ?0? or no connect 7 ld o lvcmos lock detect locked = logic ?1? loss of lock = logic ?0? 8 fout1 o lcpecl frequency output ? primary 9 cfout1 o lvpecl complimentary frequency output - primary 10 fout2 o lvpecl divided-down vcso/vcxo output, or disabled 11 cfout2 o lvpecl complimentary divided-down vcso/vcxo output, or disabled 12 gnd gnd supply case and electrical ground 13 fin i lvcmos or lvpecl input frequency ? ac coupled 14 vcc vcc supply power supply voltage (3.3 v 5%) table 3. control logic (lvcmos) sel0 sel1 clock input 0 0 fin 1 0 1 fin 2 1 0 fin 3 1 1 fin 4
fx-427 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 8 rev: 8nov06 outline diagram figure 5. ugg suggested pad layout figure 6. keep out area no circuitry under here 9.40 [0.369] 3.05 [0.120] 1.90 [0.075] 21.59 [0.848] 2.54 [0.100] 14 8 7 1 14 8 1 7 2.54 [0.100] 13.72 [0.540] 20.32 [0.800] 2.54 [0.100] top view cover bottom view board 12.70 [0.500] 20.07 [0.790] 1.73 [0.068] 1.73 [0.068] 1 14 8 7 0.79 [0.031] 5.10 [0.201] r0.51 [r0.020] mm [inches]
fx-427 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 8 rev: 8nov06 table 4. absolute maximum ratings parameter symbol ratings unit power supply v cc 0 to 6 v 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 vi qualification includes aging at various extreme temperat ures, shock and vibration, temperature cycling, and ir reflow simulation. the fx-427 family is undergoing 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-427 proper precautions should be taken when handling and mounting. vi employs a human body model (hbm) and a charged-device model (cdm) for esd susceptibility testing and de sign protection evaluation esd ratings model minimum conditions human body model 500 v mil-std 883, method 3015 charged device model 500 v jedec, jesd22-c101
fx-427 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 8 rev: 8nov06 the fx-427 is 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-427 should not be subjected to a wash process that will imme rse it in solvents. no clean is the recommended procedure. the fx-427 has been designed for pick and place reflow soldering. the fx-427 may be reflowed once and should not be reflowed in the inverted position. 25 217 200 150 260 temperature (degc) time (sec) t s t amb-p t l t p r 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-427 low jitter fr equency translator vectron international, 267 lowell road, hudson, nh 03051 tel: 1-88-vectron-1 ? web: www.vectron.com page 7 of 8 rev: 8nov06 tape and reel 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-427 32 14.2 1.5 4 20 330 1.5 13 20.2 100 44.4 50.4 200 vectron plans to offer both tape-n-reel and matrix tray s as packaging options for the fx-427. the standard shipping container for volume production is a matrix tray. the trays are 100% recyclable and offer the added feature that they can be continuously fed into a pick-n-place machine. po w a n f p1 w1 w2 c b d ?do
fx-427 low jitter fr equency translator vectron international, 267 lowell road, hudson, nh 03051 tel: 1-88-vectron-1 ? web: www.vectron.com page 8 of 8 rev: 8nov06 standard frequencies (mhz)* 0.0080 a3 31.2500 h8 166.6286 m5 625.0000 p3 707.3527 tc 781.2500 t9 0.0160 a4 38.8800 h5 167.3316 n2 637.5000 pg 716.5732 t1 796.8750 tb 1.5440 b3 51.8400 j4 201.4160 n1 644.5313 p4 718.7500 t5 805.6641 ta 2.0480 b4 61.4400 j5 300.0000 pt 657.4219 pb 719.7344 t3 809.0635 te 10.0000 c4 77.7600 k2 311.0400 p1 666.5143 p5 748.0709 t6 12.3520 d1 125.0000 l4 491.5200 pm 669.3266 r3 750.0000 t7 19.4400 d6 155.5200 m2 531.2500 p8 672.1627 r5 777.6000 t4 20.0000 e2 156.2500 m3 569.1964 p9 690.5692 r4 779.5686 t8 30.7200 h1 161.1328 m4 622.0800 p2 693.4830 r6 780.8810 td note 1: other frequencies available upon request. note 2: not all combinations are possible. note 3: for multiple input frequencies, replace the input frequency code with ?ss? and denote the input frequencies following the part number. ordering information example: fx-427-dff-a3p2c fx-427, 3.3v, lvpecl outp ut, -40 to +85c, f in1 = 8 khz, f out1 = 622.08 mhz, f out2 = 155.52 mhz . example: fx-427-dfc-ssp2b, s = 2.048 mh z, 19.44 mhz, 77.76 mhz fx-427, 3.3v, lvpecl ou tput, 0 to 70c, f in1 = 2.048 mhz, f in2 = 19.44 mhz, f in3 = 77.76 mhz, f out1 = 622.08 mhz, f out2 = 311.04 mhz 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 their use or application. no rights under any patent acco mpany the sale of any such product(s) or information.
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