vectron internaonal ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? hp://www.vectron.com page 1 of 9 features applicaons vx-724 features applicaons descripon vx-724 quad frequency hpll vcxo the vx-724 is a quad frequency voltage controlled crystal oscillator, vcxo, based upon vectrons hpll high performance phase locked loop frequency mulplier asic that combines key digital synthesis techniques with vis proven core analog technology blocks. a stan dard low frequency crystal provides the reference to the fraconal-n synthesizer so that virtually any frequency between 10mhz and 1200 mhz can be factory programmed allowing quick turn manufacturing. the vx-724 has a 2 bit hardware frequency select funcon that provides on e of four condions: frequency 1, frequency 2, frequency 3, or frequency 4. industry standard package, 5.0 x 7.0 x 1.8 mm ? hpll high performance pll asic ? jier < 500 fs-rms (12 khz to 20 mhz) ? four output frequencies from 10 mhz to 1200 mhz ? spurious suppression, 70 dbc typical ? 2.5v or 3.3v supply voltage ? lvcmos, lvpecl or lvds output con?guraons ? output enable ? compliant to ec rohs direcve ? pll circuits for clock smoothing and frequency translaon descripon standard 1-2-4 gigabit fibre channel ? 10 gigabit fibre channel ? 10gbe lan / wan ? synchronous ethernet ? oc-192 ? sonet / sdh ? incits 352-2002 incits 364-2003 ieee 802.3ae itu-t g.8262 itu-t g.709 gr-253-core issue4 block diagram v dd coutput output vc oe gnd xtal lvcmos lvpecl lvds hpll figure 1 - block diagram fs[1] fs[0] rev2: 14 november 2012
vectron internaonal ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? hp://www.vectron.com page 2 of 9 electrical performance parameter test conditions symbol min typ max units supply voltage 1 3.3v opon 2.5v opon v dd 2.97 2.25 3.3 2.5 3.63 2.75 v current lvcmos lvds lvpecl i dd - - - 90 99 120 98 108 130 ma operang temperature 1, 3 t op -40 - +85 c output enable (oe) v ih 0.75 x v dd -- v v il - - 0.5 frequency select (fs[1], fs[2]) v ih 0.75 x v dd -- v v il - - 0.5 frequency nominal frequency 1 lvpecl/lvds lvcmos f n 10 10 - - 1200 160 mhz absolute pull range 1, 2, 3 v c = 0.1xv dd to 0.9xv dd apr 50 - - ppm linearity 2, 4 20% to 80% full output lin - - 10 % gain transfer 2, 10 to 90% of v dd k v - +100 - ppm/v temperature stability 1, 6 t a = -40 to +85c f stab - 20 - ppm outputs lvpecl output mid-level v o v dd -1.42 - v dd -1.25 v swing (di?) v od 1.1 - 1.9 v pp lvds output mid-level v o 1.4 1.6 1.8 v swing (di?) v od 300 450 600 mv pp lvcmos output v oh 0.9 x v dd -v dd v v ol - - 0.1 x v dd v rise/fall time (20/80%) 2,5 lvpecl/lvds lvcmos with c l = 15 pf t r/ t f - - - - 350 1.2 ps ns symmetry 2,3 lvpecl: v dd -1.3 v (di?) lvds: 1.6 v (di?) lvcmos: v dd /2 sym 45 50 55 % spurious suppression 6 65 70 - dbc jier 6 (performance opon n) 12 khz to 20 mhz j - - 1000 fs-rms jier 6 (performance opon a) 12 khz to 20 mhz j - - 500 fs-rms control voltage input impedance (output enabled) 6 z c 500 - - k modulaon bandwidth bw - 10.0 - khz control voltage tuning range v c 0-v dd v vx-724 quad frequency hpll vcxo see standard frequencies and ordering informaon (pg 8). 1] parameters are tested with producon test circuit (see figure 2 for lvcmos, figure 3 for lvpecl and ?gure 4 for lvds). 2] parameters are tested at ambient temperature with test limits guard-banded for speci?ed operang temperature. 3] measured as the maximum deviaon from the best straight-line ?t, per mil-0-55310. 4] parameters are described with waveform diagram below (figure 5). 5] not tested in producon, guaranteed by design, veri?ed at quali?caon. 6] performance speci?caons rev2: 14 november 2012
vectron internaonal ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? hp://www.vectron.com page 3 of 9 test circuits & output waveform absolute maximum ratings parameter symbol ratings unit power supply v dd 0 to 3.8v v input current i in 100 ma output current i out 25 ma voltage control range v c 0 to v dd v output enable oe 0 to v dd v storage temperature t str -55 to 125 c soldering temperature / duration t peak / t p 260 / 40 c / sec vx-724 quad frequency hpll vcxo figure 2 - lvcmos production test circuit figure 3 - lvpecl production test circuit figure 4 - lvds production test circuit figure 5 - waveform diagram +3.3v scope vmd 10k 10nf 10nf 10nf 1nf vc oe 1 2 3 4 5 6 nc 39 fs(1) fs(0) 200 +3.3v scope vmd 200 10k 10k 10nf 10nf 10nf 10nf 1nf vc oe 1 2 3 4 5 6 fs(1) fs(0) +3.3v scope vmd 10k 10k 10nf 10nf 10nf 10nf 1nf vc oe 1 2 3 4 5 6 fs(1) fs(0) 80 % vs 20 % t f t r period on time rev2: 14 november 2012
vectron internaonal ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? hp://www.vectron.com page 4 of 9 vx-724 quad frequency hpll vcxo lvpecl applicaon diagrams lvds applicaon diagrams figure 6 - single resistor terminaon scheme figure 7 - pull up pull down terminaon resistor values are typically 120 to 240 ohms for 3.3v operaon and 82 to 120 ohms for 2.5v operaon. resistor values are typically for 3.3v operaon for 2.5v operaon, the resistor to ground is 62 ohms and the resistor to supply is 240 ohms there are numerous applicaon notes on terminang and interfacing pecl logic and the two most common methods are a single resis tor to ground, figure 6, and a pull-up/pull-down scheme as shown in figure 7. an ac coupling capacitor is oponal, depending on the applicaon and the input logic requirements of the next stage. one of the most important consideraons is terminang the output and complementary outputs equally. an unused output should no t be le un- terminated, and if one of the two outputs is le open it will result in excessive jier on both. pc board layout must take this and 50 ohm impedance matching into account. load matching and power supply noise are the main contributors to jier related problems. some lvds structures have an internal 100 ohm resistor on the input and do not need addional components. one of the most important consideraons is terminang the output and complementary outputs equally. an unused output should no t be le un- terminated, and if one of the two outputs is le open it will result in excessive jier on both. pc board layout must take thi s and 50 ohm impedance matching into account. load matching and power supply noise are the main contributors to jier related problems. figure 8 - lvds to lvds, internal 100 figure 9 - lvds to lvds, external 100 and ac block ing caps 240 240 vc oe 1 2 3 4 5 6 +3.3v 10nf 1nf 10nf 10nf 7 8 fs(1) fs(0) 130 vc oe 1 2 3 4 5 6 130 +3.3v 82 82 +3.3v 10nf 1nf 10nf 10nf fs(1) fs(0) 100 receiver vc oe 1 2 3 4 5 6 +3.3v 10nf 1nf fs(1) fs(0) 100 receiver vc oe 1 2 3 4 5 6 +3.3v 10nf 1nf 10nf 10nf fs(1) fs(0) rev2: 14 november 2012
vectron internaonal ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? hp://www.vectron.com page 5 of 9 typical characteristics vx-724 quad frequency hpll vcxo figure 10 - typical phase noise/jitter performance - integer mode figure 11 - typical vc pull rev2: 14 november 2012
vectron internaonal ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? hp://www.vectron.com page 6 of 9 reliability vi qualification includes aging at various extreme temperatures, shock and vibration, temperature cycling, and ir reflow simulation. the vx-724 family is capable of meeting 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 moisture sensitivity level ipc/jedec j-std-020, msl1 handling precautions esd ratings model minimum conditions human body model 1000v mil-std-883, method 3015 charged device model 900v jedec, jesd22-c101 machine model 200 v jedec, jesd22-a115-a reflow profile (ipc/jedec j-std-020) parameter symbol value preheat time t s 60 sec min, 180 sec max ramp up r up 3 c/sec max time above 217 c t l 60 sec min, 150 sec max time to peak temperature t amb-p 480 sec max time at 260 c t p 20 sec min, 40 sec max ramp down r dn 6 c/sec max although esd protection circuitry has been designed into the vx-724 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 design protection evaluation. the device 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 vx-724 device is hermetically sealed so an aqueous wash is not an issue. terminal plating: electrolytic ni > 1.9m electrolytic au > 0.7m vx-724 quad frequency hpll vcxo rev2: 14 november 2012
vectron internaonal ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? hp://www.vectron.com page 7 of 9 outline & marking diagram frequency select fs(1) pin 7 fs(0) pin 8 fout 0 0 f1 01f2 10f3 11f4 tape & 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 reel tolerance typ typ typ typ typ typ min typ min min typ max vx-724 16 7.5 1.5 4 8 178 1.5 13 20.2 50 16.4 22.4 200 1:output enable is internally pulled to v dd with a 30 k resistor. if opon c is selected, oe must be pulled low by the user with a lvcmos logic device or a 3 k resistor to ground. 2: fs1 and fs0 are internally pulled to v dd with a 30 k resistor suggested pad layout output enable option voltage level result a h output enable l output disable c h ouput disable l output enable vx-724 quad frequency hpll vcxo y = year ww = week c = opon codes f1f2f3f4 = frequencies (see ordering info) mm [inch] pin out pin symbol function 1 v c control voltage 2 oe output enable 1 3 gnd case and electrical ground 4 output output 5 coutput (n/a for lvcmos) complementary output (n/c for lvcmos) 6 v cc power supply voltage 7 fs[1] frequency select msb 2 8 fs[0] frequency select lsb 2 rev2: 14 november 2012
vectron internaonal ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? hp://www.vectron.com page 8 of 9 standard factory configurable frequencies (mhz) 18.7500000 ee 39.0625000 hh 73.7280000 k8 173.370748 nd 622.080000 p2 781.250000 t9 19.2000000 dd 39.3216000 hd 74.1250000 k1 173.437500 np 624.693800 pd 796.875000 tb 19.3926580 dx 39.8437500 hj 74.1758000 ka 176.838175 na 624.704800 p6 800.000000 tk 19.4400000 d6 40.0000000 jf 74.2500000 k7 182.016000 n8 625.000000 p3 805.664100 ta 19.5312500 dz 40.2830630 kk 75.0000000 kh 182.857142 nm 627.329600 p7 809.063500 te 19.6608000 db 40.9600000 j1 76.8000000 k4 184.000000 ng 629.987800 pa 819.200000 th 19.6989680 dk 41.0888870 km 77.7600000 k2 184.320000 nh 637.500000 pg 821.777300 tf 19.7190000 dh 41.6571440 kp 78.0000000 lh 187.500000 n5 640.000000 pn 850.000000 tj 19.9218750 ed 41.6600000 lm 78.1250000 k3 195.000000 n7 644.531250 p4 983.400000 tu 20.0000000 e2 41.8329130 kt 78.6432000 k5 200.000000 ne 645.120000 rj 1,000.0000 tm 20.1416000 e3 42.0000000 jb 79.6875000 kg 200.192000 n6 647.239400 pe 20.4800000 e4 42.0101690 kv 80.0000000 k9 201.416020 n1 647.250800 pk recent adds: 20.5444340 ef 42.5000000 jc 80.5664130 kj 212.500000 nf 649.970300 pf 174.703083 nx 20.7135000 e1 42.6600000 jz 82.1777380 kl 219.429571 nl 657.421875 pb 175.000000 w2 20.8285720 eg 44.2095440 kx 82.9440000 k6 240.000000 nr 665.625600 pc 698.812330 vc 20.8286000 eb 44.4343000 lf 83.3142880 kn 243.000000 nc 666.514286 p5 20.9165460 eh 44.6218000 jw 83.6658250 kr 245.760000 n9 669.128100 r2 21.0050840 ej 44.7360000 j3 84.0203380 ku 250.000000 nt 669.326582 r3 22.0000000 e9 44.9280000 je 86.6853740 lj 252.571428 nj 669.642900 r1 22.1047720 ek 45.1584000 jg 88.4190880 kw 256.000000 nk 670.838600 r7 22.2171000 e5 45.8240000 jm 95.7000000 lk 262.144000 nb 672.000000 rt 22.5792000 e8 46.0379460 lg 97.5000000 ke 292.571429 nn 672.156250 tx 24.0000000 ec 46.7200000 jk 100.000000 l8 300.000000 pt 672.162712 r5 24.5760000 e6 46.8750000 jy 105.000000 l6 307.200000 rx 673.456600 ra 24.7040000 e7 48.0000000 jv 106.250000 l9 311.040000 p1 684.255400 r9 25.0000000 f7 49.1520000 j7 108.000000 la 312.500000 pu 687.700000 tv 25.1658000 f8 49.4080000 j2 110.000000 l1 318.750000 pv 690.569196 r4 25.6000000 f6 50.0000000 jd 112.000000 l2 320.000000 pp 693.468750 rv 25.9200000 f2 50.0480000 kd 114.000000 l3 322.265650 pw 693.482991 r6 26.0000000 f3 51.2000000 ll 120.000000 lc 328.710950 px 693.750000 r8 27.0000000 f4 51.8400000 j4 122.880000 lb 333.257150 py 696.390625 rw 27.6480000 fb 52.0000000 jp 124.416000 l7 334.663300 rb 696.421478 v1 28.7040000 f1 53.3300000 ju 125.000000 l4 336.081350 rc 696.421875 ty 29.4912000 f5 54.7460000 jl 130.000000 ld 353.676350 rd 704.380600 tg 29.5000000 f9 55.0000000 jx 131.072000 ln 368.640000 ry 707.352700 tc 30.0000000 he 60.0000000 jr 139.264000 l5 375.000000 rf 707.500000 v2 30.7200000 h1 61.3800000 ky 150.000000 m8 382.800000 ru 710.948600 t2 30.8800000 hf 61.4400000 j5 150.144000 m6 400.000000 rr 712.520000 tw 31.2500000 h8 62.2080000 j8 153.600000 ma 409.600000 re 716.573200 t1 32.0000000 h2 62.5000000 j9 155.520000 m2 491.520000 pm 718.750000 t5 32.7680000 h3 62.9145000 le 156.250000 m3 500.000000 rk 719.734400 t3 33.0000000 h7 63.3600000 jj 159.375000 m7 505.000000 v3 737.280000 tl 33.3330000 hc 63.8976000 jn 160.000000 m1 531.000000 ph 739.200000 tt 34.3680000 h6 64.0000000 jt 161.132813 m4 531.250000 p8 742.500000 v4 34.5600000 hb 64.1520000 jh 164.355475 m9 568.928600 pj 748.070900 t6 36.8640000 hg 65.5360000 j6 166.628572 m5 569.196400 p9 750.000000 t7 37.0560000 h4 66.0000000 ja 167.331646 n2 588.000000 rh 768.000000 tn 37.1250000 h9 70.0000000 kb 168.040678 n3 595.056000 pl 777.600000 t4 37.5000000 hk 70.6560000 kc 170.000000 n4 600.000000 pr 779.568600 t8 38.8800000 h5 71.6100000 kf 172.500000 nu 614.400000 rg 780.881000 td standard frequency table vx-724 quad frequency hpll vcxo rev2: 14 november 2012
vectron internaonal ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? hp://www.vectron.com page 9 of 9 vx-724 quad frequency hpll vcxo disclaimer vectron internaonal reserves the right to make changes to the product(s) and or informaon contained herein without noce. no liability is assumed as a result of their use or applica- on. no rights under any patent accompany the sale of any such product(s) or informaon. for addional informaon, please contact usa: vectron internaonal 267 lowell road hudson, nh 03051 tel: 1.888.328.7661 fax: 1.888.329.8328 europe: vectron internaonal landstrasse, d-74924 neckarbischofsheim, germany tel: +49 (0) 3328.4784.17 fax: +49 (0) 3328.4784.30 asia: vectron internaonal 1589 century avenue, the 19th floor chamme internaonal financial center shanghai, china tel: 86.21.6081.2888 fax: 86.21.6163.3598 ordering informaon vx - 724 - e c e - k e a n - f1f2f3f4 product family vx: vcxo package 724: 5 x 7 x 1.8 mm quad frequency input e: 3.3 v h: 2.5 v output a: lvcmos c: lvpecl d: lvds operang temperature e: -40 to 85 c f1, f2, f3, f4 (see frequency table) stability x: standard e: 20ppm temperature stability enable/disable a: enable high c: enable low absolute pull range k: 50 ppm example: vx-724-ece-kxan-p2p4pbp5 other (future use) n: standard rev2: 14 november 2012
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