clock page 1 of 3 raltron electronics corp. 10651 n.w. 19 th st miami, florida 33172 u.s.a. phone: (305) 593-6033 fax: (305) 594-3973 e-mail: sales@raltron.com web: http://www.raltron.com csp series: clock oscillator, pecl, +2.5 vdc description: a crystal controlled, high frequency, highly stable oscillator, adhering to positive emitter coupled logic (pecl) standards. the output can be tri-stated to facilitate testing or combined multiple clocks. the device is contained in a sub-miniature, very low profile, leadless ceramic smd package with 6 gold contact pads. this miniature oscillator is ideal for today's automated assembly environments. applications and features: infiniband; 10gbe; network processors; soho routing; switches; wan interfaces common frequencies: 106.25 mhz; 125 mhz; 150 mhz; 155.52 mhz; 156.25 mhz; 161.1328 mhz +2.5 vdc pecl frequency range from 50 to 700 mhz miniature ceramic smd package available on tape and reel lead free and rohs compliant electrical parameters: parameter symbol test conditions *1 value unit nominal frequency fo 50.000 ~ 700.000** mhz supply voltage vcc +2.5 5% vdc supply current is 80.0 max ma output logic type pecl load connected between each output and vcc ? 2.0 vdc 50 ? output voltage levels voh vol 1.365 min 0.94 max vdc vdc duty cycle dc measured at 50% of vcc 40/60 to 60/40 or 45/55 to 55/45 % rise / fall time tr / tf measured at 20/80% and 80/20% vcc levels 1.0 typ *2 ns integrated jitter j rms, fj = 12 khz?20 mhz 1 typ** ps overall frequency stability ? f/fc op. temp., aging, load, supply and cal. variations 25, 50, or 100 max *3 ppm pin 1 output enabled output disabled en dis high voltage or no connect ground 0.7 ? vcc min 0.3 ? vcc max vdc vdc absolute voltage range vcc(abs) non-destructive -0.5?+7.0 vdc *1 test conditions unless stated otherwise: nominal vcc, nominal load, +25 3 c *2 frequency dependent *3 not all stabilities available with all temperature ranges?please consult factory for availability environmental parameters: parameter symbol testconditions *1 value unit operating temperature range ta see part number table c storage temperature range t(stg) -55?+90 c part numbering system: series symmetry temperature range (c) frequency stability (overall) frequency (mhz) csp: clock with pecl comp. output a: 40/60 to 60/40% t: 45/55 to 55/45% r: 0?+50 s: 0?+70 u: -20?+70 v: -40?+85** i: 25 ppm** h: 50 ppm j: 100 ppm 50.000?700.000 example: cspash-155.520 clock oscillator, 7x5mm package, +2.5 vdc supply voltage, pecl output, standard symmetry, 0?+70 c operating temperature range, 50 ppm total frequency stability, 155.520 mhz **above 300mhz; extended temp range and 25ppm stability may not be available, jitter may vary upon spec requirements. please consult the factory for any custom requirements.
clock page 2 of 3 raltron electronics corp. 10651 n.w. 19 th st miami, florida 33172 u.s.a. phone: (305) 593-6033 fax: (305) 594-3973 e-mail: sales@raltron.com web: http://www.raltron.com mechanical parameters: 123 4 5 6 . 1 9 7 . 0 0 8 .276 .008 7.0 0.2 5 . 0 0 . 2 indicates pin 1. .079 max. 2.00 max. .200 .100 5.08 2.54 . 1 5 0 3 . 8 1 .055 1.40 typ. . 0 5 0 1 . 2 7 .079 typ. 2.00 typ. .100 2.54 .071 1.80 solder pattern 2.20 .087 outline tolerance: 0.006? / 0.15mm (unless otherwise specified) pin functions: [1] enable/ disable [2] no connect [3] case ground [4] output [5] comp. output [6] supply voltage marking: cspash 155.52 ral d/c *0.01 f external by-pass filter is recommended as seen on solder pattern.
clock page 3 of 3 raltron electronics corp. 10651 n.w. 19 th st miami, florida 33172 u.s.a. phone: (305) 593-6033 fax: (305) 594-3973 e-mail: sales@raltron.com web: http://www.raltron.com reflow profile: ** rohs compliant**
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