vectron international, 267 lowell rd, hudson nh 03051 - 4916 tel: 1 - 88 - vectron - 1 website: www.vectron.com page 1 of 8 rev: 14nov 03 vs - 5 0 0 voltage controlled saw oscillator features improved high p erformance asic industry standard package, 9 x 14 x 4 .5 mm output frequencies from 1 5 5 mhz to 850 mhz 3.3 v or 5.0 v operati on at 155.52 mhz, jitter < 0.50 ps - rms (12 khz to 20 mhz) at 622.08 mhz, jitter < 0.30 ps - rms (50 khz to 80 mhz) lv - pecl , pecl, or ecl configurations complementary outputs output disable feature applications pll circuits for clock smoothing and freque ncy translation description standar d 10g fibre channel incits/t11 project 1413 - d 10gbe lan / wan ieee 802.3ae oc - 192 itu - t g.709 sonet / sdh gr - 253 - core issue3 description the vs - 500 is a saw based voltage controlled oscillator that operates at the fundamental frequency of the internal saw filter. this resonator is a high q quartz device that enables the circuit to achieve low phase jitter performance over a wide operating temperature range. the oscillator is housed in a hermetically sealed j - lead surface mount package offered on tape and reel. it has an output disable to facilitate on - board testing. vcc coutput output gnd od vc saw
vs - 500 voltage controlled saw oscillator vectron international , 267 lowell rd, hudson nh 03051 - 4916 tel: 1 - 88 - vectron - 1 website: www.vectron.com page 2 of 8 rev: 14nov 03 electrical performance parameter symbol minimum typical maximum units notes frequency nominal frequency absolute pull range line arity gain transfer @ 155.52 mhz (see pg 5 /6 ) gain transfer @ 622.08 mhz (see pg 5 /6 ) temperature stability @ 155.52 mhz temperature stability @ 622.08 mhz f n apr lin k v k v f stab f stab 50 150 - 85 0 5 +691 / +435 +434/+281 100 150 mhz ppm % ppm/v ppm/v ppm ppm 1,2,3 1,2,3 , 9 /10 2,4 , 9/10 2 , 9/10 2, 9/10 1,6 1,6 supply voltage current (no load) v cc i cc 2.97 /4.5 3.3 /5.0 55 3.63 /5.5 8 0 v ma 2,3 3 outputs mid level swing current rise & fall time symmetr y spurious suppression jitter @ 155.52 mhz (see pg 5/6) jitter @ 622.08 mhz (see pg 5 /6 ) i out t r , t f sym f j f j v cc - 1.5 45 50 v cc - 1.3 8 50 250 50 60 0. 44 0 0.23 0 v cc - 1.1 20 400 55 v mv - pp ma ps % dbc ps - rms ps - rms 2,3 2,3 6 5,6 2,3 6 6,7 6,8 control voltage input impedance ( lv - pecl or pecl ) input impedance (ecl) modulation bandwidth z c z c bw 100 10 500 k w k w khz 6 6 6 operating temperature t op - 40 85 c 1,3 package size 9.0 x 14.0 x 4 .5 mm 1. see standard frequencie s and ordering information (pg 8 ). 2. parameters are tested with prod uction test circuit below (fig 2 ). 3. parameters are tested at ambient temperature with test limits guardbanded for specified operating temperature. 4. measured as the maximum deviation from the best straight - line fit, per mil - 0 - 55310. 5. measured from 20% to 80% of a full outpu t swing ( fig 1 ). 6. not tested in production, guaranteed by design, verified at qualification. 7. integrated across 12 khz to 20 mhz, per gr - 253 - core issue3. 8 . integrated across 50 khz to 80 mhz, per gr - 253 - core issue3. 9 . tested with vc = 0.3 v to 3.0v. 10 . tested with vc = 0.5v to 4.5v. figure 1. 10k lv - pec l waveform figure 2. 3.3v test circuit vcc - 1.6v vcc - 1.3v vcc - 1.0v 80% 20% t r t f t a t b sym = 100 x t a / t b 2 5 50 w 50 w test circuit notes: 1) to permit 50 w measurement of outputs, all dc inputs are biased down 1.3v. 2) all voltage sources contain bypass capacitors to minimize supply noise. 3) 50 w terminations are within test equipment. (-1.3v to +2v) (-1.3v, open) (-1.3v) (+2v) coutput output disable, enable 1 6 3 4
vs - 500 voltage co ntrolled saw oscillator vectron international, 267 lowell rd, hudson nh 03051 - 4916 tel: 1 - 88 - vectron - 1 website: www.vectron.com page 3 of 8 rev: 14nov 03 8.890.15 [0.3500.006] 13.970.20 [0.5500.008] 0.460.05 [0.0180.002] 2.540.13 [0.1000.005] 5.080.13 [0.2000.005] 4.49 +0.20 -0.30 [ 0.177 +0.008 -0.012 ] mm [inch] 7.63 [0.300] vs-500-lff-gnn xxx.xxx vi yww 1 4 3 6 2 5 outline diagram pad layout pin out pin symbol function 1 v c vcso control voltage 2 od output disable * disabled = lv - cmos logi c 0 (or gnd) enabled = lv - cmos logic 1 (or open) 3 gnd case and electrical ground 4 output vcso output 5 coutput vcso complementary output 6 v cc power supply voltage (3.3 v / 5.0v 10%) * for 5 .0 v o peration , cmos levels should be a pplied. 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 vs - 500 24 11.5 1.5 4 12 330 1.5 1 3 20.2 100 24.4 30.4 200 po w a n f p1 w1 w2 c b d ? do mm [inch] 8.80 [0.346] 1.27 [0.050] 2.54 [0.100] 5.08 [0.200] 3.00 [0.118]
vs - 500 voltage co ntrolled saw oscillator vectron international, 267 lowell rd, hudson nh 03051 - 4916 tel: 1 - 88 - vectron - 1 website: www.vectron.com page 4 of 8 rev: 14nov 03 absolute maximum ratings parameter symbol ratings unit power supply v cc 0 to 6 v output current iout 25 ma voltage control range v c 0 to v cc v storage temperature ts - 55 to 125 c soldering temp/time t ls 220/10 c/sec st resses 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 op erational sections of this data sheet. exposure to absolu te maximum ratings for extended periods may adversely affect device reliability. suggested output load configurations (3.3v operation) lv-pecl to lv-pecl: for short transmission lengths, the power consumption could be reduced by removing the 100 w resistor and doubling the value of the pull down resistors. functional test: allows standard power supply configuration. since ac coupled, the lv-pecl levels cannot be measured. lv-pecl to lvds: restricted for short transmission lengths. configuration may require modification depending on lvds receiver. 40 w 40 w 150 w 150 w 49 w 49 w +3.3v production test: allows direct dc coupling into 50 w measurement equipment. must bias the power supplies as shown. similar to figure 1. 0.01 m f 0.01 m f 1 6 2 3 4 5 vc od gnd +3.3v 0.01 m f 0.10 m f vcc coutput 240 w output 240 w 100 w z = 50 w z = 50 w output gnd 3 4 z = 50 w +3.3v 0.10 m f od vc 6 1 2 5 coutput vcc 0.01 m f z = 50 w gnd od vc 4 3 output 240 w 1 6 2 5 coutput vcc 0.01 m f +3.3v 0.10 m f 240 w -1.3v od vc 3 4 6 1 2 5 coutput output vcc +2.0v 0.01 m f 0.10 m f
vs - 500 voltage co ntrolled saw oscillator vectron international, 267 lowell rd, hudson nh 03051 - 4916 tel: 1 - 88 - vectron - 1 website: www.vectron.com page 5 of 8 rev: 14nov 03 y = 691.39x - 1010.34 y = 433.82x - 606.16 -900 -800 -700 -600 -500 -400 -300 -200 -100 0 100 200 300 400 500 600 700 800 900 1000 1100 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3 control voltage (v) frequency (ppm) 155_3v vc pull 622_3v vc pull linear (155_3v vc pull) linear (622_3v vc pull) typical characteristics (3.3v operation) vc pull characteristics (22.5 o c) typical gain transfer @ 155.52 = + 691 ppm/v typical gain transfer @ 622.08 = +434 ppm/v calculated jitter @ 155 .52 mhz (22.5 o c) so net oc - 48 (12khz - 20mhz) = 0.442 ps - rms; 3.09 ps - pp sonet oc - 192 (50khz - 80mhz) = 0.685 ps - rms; 4.80 ps - pp calculated jitter @ 622.08 mhz (22.5 o c) sonet oc - 48 (12khz - 20mhz) = 0. 244 ps - rms; 1.71 ps - pp sonet oc - 192 (50khz - 80mhz) = 0. 214 ps - rms; 1.50 ps - pp
vs - 500 voltage co ntrolled saw oscillator vectron international, 267 lowell rd, hudson nh 03051 - 4916 tel: 1 - 88 - vectron - 1 website: www.vectron.com page 6 of 8 rev: 14nov 03 y = 435.42x - 979.81 y = 281.23x - 597.87 -900 -800 -700 -600 -500 -400 -300 -200 -100 0 100 200 300 400 500 600 700 800 900 1000 1100 0.5 1 1.5 2 2.5 3 3.5 4 4.5 control voltage (v) frequency (ppm) 155_5v vc pull 622_5v vc pull linear (155_5v vc pull) linear (622_5v vc pull) typical characteristics (5 .0 v operation) vc pull characteristics (22.5 o c) typical gain transfer @ 155.52 = + 435 ppm/v typical gain transfer @ 622.08 = + 281 ppm/v calculated jitter @ 155 .52 mhz (22.5 o c) sonet oc - 48 (12khz - 20mhz) = 0. 418 ps - rms; 2.93 ps - pp sonet oc - 192 (50khz - 80mhz) = 0. 656 ps - rms; 4. 59 ps - pp calculated jitter @ 622.08 mhz (22.5 o c) sonet oc - 48 (12khz - 20mhz) = 0. 215 ps - rms; 1. 5 1 ps - pp sonet oc - 192 (50khz - 80mhz) = 0. 226 ps - rms; 1. 58 ps - pp
vs - 500 voltage co ntrolled saw oscillator vectron international, 267 lowell rd, hudson nh 03051 - 4916 tel: 1 - 88 - vectron - 1 website: www.vectron.com page 7 of 8 rev: 14nov 03 reliability the vs - 500 family is capable of meeting the following qualification tests: environmental compliance parameter conditi ons 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 al though esd protection circuitry has been designed into the vs - 500 proper precautions should be taken when handling and mounting. vi employs a human body model and a charged - device model (cdm) for esd susceptibility testing and design protection evaluation . esd ratings model minimum conditions human body model 1 500 v mil - std 883, method 3015 charged device model 10 00 v jesd 22 - c101 recommended solder reflow profile vi qualification includes aging at various extreme temperatures, sh ock and vibration, temperature cycling, and ir reflow simulation. the conditions a device can withstand are well understood and devices can be subjected to the profile above. this profile shows a ramp up condition to prevent thermal shock, a preheat peri od in which the flux is activated, a ramp up to 183 c which is the reflow temperature of sn/pb eutectic, and a gradual cool down. the time above 183 c should not exceed 60 seconds and the peak temperature should be no more than 220 c for 10 seconds. the vs - 500 ?s are hermetically sealed so an aqueous wash is not an issue. 60 60-90 45-60 150 183 220 time (s) temperature (deg c)
vs - 500 voltage co ntrolled saw oscillator vectron international, 267 lowell rd, hudson nh 03051 - 4916 tel: 1 - 88 - vectron - 1 website: www.vectron.com page 8 of 8 rev: 14nov 03 standard frequencies (mhz) 155.5200 156.2500 159.3750 161.1328 164.3555 166.6286 167.3316 177.7371 311.0400 622.0800 624.7048 625.0000 627.3296 629.9878 644.5313 657.4219 666.5143 669.3266 669.6429 670.8386 672.1627 690.5692 693.4830 693.7500 716.5372 718.7500 719.7344 748.0709 750.0000 779.5686 781.2500 805.6641 other frequencies available upon r equest . ordering information vs - 5 0 0 - l f f - g n n ? xxx.xxx part number cross reference old part number new part number vs - 500a vs - 500 - kef - gnn vs - 500f vs - 500 - kef - hnn for additional information, please contact: vectron international reserves the righ t to make changes to the 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 accompany the sale of any such product(s) or information. product family vs: vcso package 5 0 0: 9 x 14 x 4 .5 mm input l: 3.3 v k: 5.0v 1 output e: ecl 2 f: pecl operating temperature f: - 40 to 85 c other (future use) n: n/a other (future use) n: n/a absolute pull range g: +/ - 50 ppm h: +/ - 100 ppm frequency (see above) 155 ? 850 mhz usa: vectron international, 267 lowell rd, hudson, nh 03051 . . . . tel: 1 - 88 - vectron - 1 fax: 1 - 888 - fax - vectron europe: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . tel: +49 (0) 3328 - 4784 - 17 fax: +49 (0) 3328 - 4784 - 30 asia: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . tel: +86 - 21 - 28909740 fax: +86 - 21 - 28909999 1 for all new 5.0v supply requirements, pecl ou tput configuration is suggested. 2 ecl ?e? is only avail able in 5.0v ?k ? configuration and is offered to make the vc input impedance backward compatible with the vs - 500a & vs - 500f products . for further information, please contact your local vectron m arketing representative.
|
