mems standard frequency oscillator page 1 of 6 cmc20 2 - series r a l t r o n e l e c t r o n i c s ? 1 0 4 0 0 n . w . 3 3 rd s t ? m i a m i , f l o r i d a 3 3 1 7 2 ? u . s . a . phone: +1 - 305 - 593 - 6033 ? fax: +1 - 305 - 594 - 3973 ? e - mail: sales@raltron.com ? internet: http://www.raltron.com low power consumption of 3.5ma typical at 1.8v 52 standard frequencies between 3.57mhz and 77.760 mhz hcmos/ lvcmos compatible output smd package 2.0 x 1.6 mm parameter symbol condition value unit min. typ. max. frequency range f 0 52 standard frequencies between 3.57mhz and 77.760mhz 3.57 77.760 mhz supply voltage vs vs 5% 1.8 3.3 v supply current is vs = 1.8v, f 0 =20mhz, no load vs = 2.5v, f 0 =20mhz, no load vs = 2.8v, f 0 =20mhz, no load vs = 3.3v, f 0 =20mhz, no load 3.5 3.7 3.8 3.8 4.1 4.2 4.5 4.5 ma ma ma ma operating temperature t a - 20 - 40 +70 +85 ? c c frequency stability f/f 0 including first year aging, initial frequency tolerance at 25c, frequency stability over temperature range, supply variation, load variation - 20 - 25 - 50 +20 +25 +50 p pm p pm p pm enable / disable / st and by function e/d /st enable = open or1( v ih 0.75vs) ( output signal active ) disable = gnd or 0(v il <0.25vs ) ( output high impedance, oscillator operates ) standby = gnd or 0 v il <0.25v s ) ( output weakly pulled down, oscillator sleep mode ) 0.75vs 0.25vs 0.25vs v v v enable / disable time t e/d f 0 =110mhz 130 ms enable / disable current i e/d vs=1.8v, e/d =gnd vs=2.5v to 3.3v, e/d =gnd output in high impedance state 4.0 4.2 ma ma standby current istby stby=gnd,vs=1.8v stby=gnd,vs=2.5v stby=gnd,vs=2.8v to 3.3v output is weakly pulled down 0.2 1.1 2.1 1.3 2.5 4.3 ?? ? ?? ? ?? ? ? s tartup time t st 5 ms rms phase jitter j ph f 0 =75mhz,bw 900khz to 7.5mhz f 0 =75mhz,bw 12khz to 20mhz 0.5 1.3 0.9 2.0 ps ps rms period jitter j p f 0 =75mhz 1.8 3 ps peak to peak period jitter j pk - pk f 0 =75mhz ,vs=2.5 to 3.3v f 0 =75mhz , vs=1.8v 12 14 25 30 ps ps electrical specifications
mems standard frequency oscillator page 2 of 6 cmc 20 2 - series r a l t r o n e l e c t r o n i c s ? 1 0 4 0 0 n . w . 3 3 rd s t ? m i a m i , f l o r i d a 3 3 1 7 2 ? u . s . a . phone: +1 - 305 - 593 - 6033 ? fax: +1 - 305 - 594 - 3973 ? e - mail: sales@raltron.com ? internet: http://www.raltron.com lvcmos parameter symbol condition value min typ. max unit output levels v oh i o h = - 2 ma ( vs=1.8v ) i oh = - 3 ma ( vs= 2.5v or 2.8v ) i oh = - 4 ma ( vs=3.0v or 3.3v ) 0.9 vs v v ol i ol =2 ma ( vs=1.8v ) i ol =3 ma ( vs= 2.5v or 2.8v ) i ol =4 ma ( vs=3.0v or 3.3v ) 0.1v s v duty cycle dc 50% output level 45 55 % output load o cl ta=25 c 15 60 pf table 1. rise/fall time vs. cload ( cl ) , vs=1.8 v cl 5pf 15pf 30pf 45pf 60pf drive strength @20% to 80% (ns) typ. d0 , default 0.6 5 1.30 2.40 3.35 4.56 d1 0. 70 1.48 2.64 3.68 5.09 d2 0.78 1.66 2.94 4.09 5.74 d3 0.93 1.91 3.32 4.66 6.48 d4 1.65 3.23 5.79 8.18 11.08 d5 2.11 4.31 7.65 10.77 14.47 d6 3.19 6.35 11.00 16.01 21.52 d7 6.16 11.61 22.00 31.27 39.91 table 2 . rise/fall time vs. cload ( cl ) , vs=2.5 v cl 5pf 15pf 30pf 45pf 60pf drive strength @20% to 80% (ns) typ. d0 0.34 0. 88 1.64 2.54 3.32 d1 0.43 0.96 1.81 2.79 3.65 d2 , default 0.54 1.00 2.01 3.10 4.01 d3 0.62 1.28 2.27 3.51 4.45 d4 1.09 2.20 3.88 5.86 7.57 d5 1.45 2.81 5.16 7.65 9.88 d6 2.11 4.27 7.64 11.20 14.49 d7 4.13 8.25 12.82 21.45 27.79 output characteristics
mems standard frequency oscillator page 3 of 6 cmc 20 2 - series r a l t r o n e l e c t r o n i c s ? 1 0 4 0 0 n . w . 3 3 rd s t ? m i a m i , f l o r i d a 3 3 1 7 2 ? u . s . a . phone: +1 - 305 - 593 - 6033 ? fax: +1 - 305 - 594 - 3973 ? e - mail: sales@raltron.com ? internet: http://www.raltron.com table 3 . rise/fall time vs. cload ( cl ) , vs=2.8 v cl 5pf 15pf 30pf 45pf 60pf drive strength @20% to 80% (ns) typ. d0 0.29 0.81 1.48 2.29 2.99 d1 0.34 0. 88 1.64 2.52 3.30 d2 , default 0.44 1.00 1.83 2.82 3.67 d3 0.55 1.12 2.08 3.22 4.08 d4 0. 97 2.00 3 .54 5.43 6. 93 d5 1.29 2.57 4.72 7.01 9.06 d6 1. 94 3.90 7.03 10.24 13.34 d7 3.77 7.54 12.28 19.57 25.27 table 4 . rise/fall time vs. cload ( cl ) , vs=3.0 v cl 5pf 15pf 30pf 45pf 60pf drive strength @20% to 80% (ns) typ. d0 0.27 0.76 1.39 2.16 2.85 d1 0.30 0.83 1.55 2.40 3.13 d2 0.38 0.92 1.72 2.71 3.51 d3, default 0.51 1.0 0 1.97 3.07 3.90 d4 0.89 1.9 2 3.39 5.20 6.64 d5 1.22 2.46 4.54 6.76 8.62 d6 1.84 3.71 6. 72 9.86 12.68 d7 3.60 7.21 11. 97 18.74 24.30 table 5 . rise/fall time vs. cload ( cl ), vs=3.3v cl 5pf 15pf 30pf 45pf 60pf drive strength @20% to 80% (ns) typ. d0 0.25 0.72 1.31 1.83 2.61 d1 0.28 0.79 1.46 2.05 2.93 d2 0.33 0.87 1.64 2.30 3.35 d3, default 0.46 1.0 0 1.86 2.60 3.84 d4 0.81 1.82 3.22 4.5 2 6.33 d5 1.16 2.33 4.29 6.04 8.34 d6 1.74 3.50 6.38 8.98 12.19 d7 3.39 6.88 11.63 17.56 23.59 table 6. list of supported frequencies 3.57 mhz 4 mhz 4.096 mhz 6 mhz 7.3728 mhz 8.192 mhz 10 mhz 12 mhz 14 mhz 18.432 mhz 19.2 mhz 20 mhz 24 mhz 24.576 mhz 25 mhz 25.000625 mhz 26 mhz 27 mhz 28.6363 mhz 30 mhz 31.25 mhz 32.768 mhz 33 mhz 33.3 mhz 33.33 mhz 33.333 mhz 33.3333 mhz 33.33333 mhz 35.84 mhz 37.5 mhz 38 mhz 38.4 mhz 40 mhz 40.5 mhz 48 mhz 50 mhz 54 mhz 60 mhz 62.5 mhz 65 mhz 66 mhz 66.6 mhz 66.66 mhz 66.666 mhz 66.6666 mhz 66.66666mhz 72 mhz 74.175824mhz 74.176 mhz 74.25 mhz 75 mhz 77.760 mhz
mems standard frequency oscillator page 4 of 6 cmc 20 2 - series r a l t r o n e l e c t r o n i c s ? 1 0 4 0 0 n . w . 3 3 rd s t ? m i a m i , f l o r i d a 3 3 1 7 2 ? u . s . a . phone: +1 - 305 - 593 - 6033 ? fax: +1 - 305 - 594 - 3973 ? e - mail: sales@raltron.com ? internet: http://www.raltron.com ? ? ? 1 e/d /stby/n h : enable output frequency l: disable output frequency , high impedance in e/d or stby mode connect a pull - up resistor of 10k to pin 1, in case not externally driven. in ca se pin1 is left floating, use n option 2 gnd electrical ground 3 output output signal 4 vs supply voltage mechanical dimensions and pin functioning bottom view reconmended land pattern
mems standard frequency oscillator page 5 of 6 cmc 20 2 - series r a l t r o n e l e c t r o n i c s ? 1 0 4 0 0 n . w . 3 3 rd s t ? m i a m i , f l o r i d a 3 3 1 7 2 ? u . s . a . phone: +1 - 305 - 593 - 6033 ? fax: +1 - 305 - 594 - 3973 ? e - mail: sales@raltron.com ? internet: http://www.raltron.com reflow profile recommended solder reflow p rofile temperature min preheat t smin 150c temperature max preheat t smax 200 c time (t smin to t smax ) t s 60 - 180 sec. temperature t l 217c peak temperature t p 260c ramp - up rate r up 3c/sec max. ramp - down rate r down 6c/sec max. time within 5c of peak temperature t p 10 sec time t[25c] to peak temperature t[25c] to peak 480 sec. time t l 60 - 150 sec. soldering mil - std - 883f, method 2003 moisture sensitivity level msl 1 at 260c temperature cycle jesd22, method a104 vibration mil - std - 883f, method 2007 mechanical shock mil - std - 883f, method 2002 storage temperature - 65 . +150c temp. [c] time [sec] t p t l t smax t smin ramp - up ramp - down critical zone t l to t p t[25c] to peak t s preheat t l t p reflow profile environmental
mems standard frequency oscillator page 6 of 6 cmc 20 2 - series r a l t r o n e l e c t r o n i c s ? 1 0 4 0 0 n . w . 3 3 rd s t ? m i a m i , f l o r i d a 3 3 1 7 2 ? u . s . a . phone: +1 - 305 - 593 - 6033 ? fax: +1 - 305 - 594 - 3973 ? e - mail: sales@raltron.com ? internet: http://www.raltron.com series supply voltage (v) frequenc y stability temp range (c ) output drive enable/ disable function - output frequency (mhz) c m c20 2 18: vs=1.8v 25: vs=2.5v 28: vs=2.8v 30: vs=3.0v 33: vs=3.3v xx: vs=2.5v - 10% to 3.3v+10% a:20ppm b:25ppm c:50ppm u: - 20~70 v: - 40~85 1:d0 2 :d 1 3 :d 2 4 :d 3 5 :d 4 6:d5 7:d6 8:d7 see table 1 to 5 e: e/d output s:standby n: no connect - see table 6 approvals eng. approval, date: sp, 07/05 /2016 created by, date: sp, 07/05 /2016 revision: a ordering information
|
