ecs-3518/3525 smd clock oscillator ecs-3518 (1.8v) and ecs-3525 (2.5v) subminiature smd oscillators, ideal for today' s high density applications. 1105 south ridgeview road z olathe, ks 66062 z phone: 913.782.7787 z fax: 913.782.6991 z www.ecsxtal.com parameters conditions ecs-3518 (+1.8v) ecs-3525 (+2.5v) min min typ typ max max operating conditions / el ectrical characteristics units hcmos voh vol @ 50% vcc level @ 50% vcc level (t option) 10% vdd to 90% level option c 1.544 to 9.999 mhz 10.000 to 34.999 mhz 35.000 to 49.999 mhz 50.000 to 125.000 mhz option a option b vdd standard extended (n option) startup time "1" level "0" level input current frequency range operating temperature storage temperature supply voltage frequency stability * output symmetry rise and fall times output load 1.544 1.544 0 -40 -55 +1.62 mhz c c c vdc ppm ppm ppm ma ma ma ma % % ns vdc vdc pf ms 125.0 +70 +85 +125 +1.98 100 +2.5 +70 +85 +125 +2.75 100 50 25 7 8 20 30 45/55 45/55 6 125.0 30 10 -40 -55 +2.25 50 25 6 7 15 25 40/60 40/60 5 vcc *10% vcc *10% vcc *90% vcc *90% 30 10 dimensions (mm) * note: inclusive of 25c tolerance, oper ating temperature range, input voltage c hange, load change, aging, shock and vibratio n. figure 1) top, side and bottom views figure 2) suggested land pattern part numbering guide: example ecs-3525-200-an pad connections tri-state control voltage pad #1 pad #2 pad #3 pad #4 pad 1 open 1 level 0 level oscillation high impedance oscillation pad 3 1.8v or 2.5v versions 3.2 x 5 mm footprint extended temp range option pb free/rohs compliant ecs - series - frequency abbreviation - s tability temperature 3518 = +1.8v 3525 = +2.5v 200 = 20.000 mhz see frequency abbreviations (pg 2) a = 100 ppm b = 50 ppm c = 25 ppm blank = 0 ~ +70c m = -20 ~ +70c n = -40 ~ +85c tri-state ground output vcc +1.8
ecs-3518/3525 smd clock oscillator ecs-3518 (1.8v) and ecs-3525 (2.5v) subminiature smd oscillators. ideal for todays's high density applications. 1105 south ridgeview road z olathe, ks 66062 z phone: 913.782.7787 z fax: 913.782.6991 z www.ecsxtal.com frequency mhz package data item description code frequency abbreviations tape dimens ions (mm) 4.000 8.000 10.000 12.000 14.31818 24.000 33.333 32.000 40.000 48.000 50.000 60.000 64.000 66.666 80.000 100.000 125.000 040 080 100 120 143 240 333 320 400 480 500 600 640 666 800 1000 1250 lid metal ceramic seam weld tungsten (metalized) compliant (pb free) 1 gold/nickel (surface)/(under) base sealing terminal plating rohs msl
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