pb rohs emcl12c2h-87.500m emcl12 c 2 h -87.500m series rohs compliant (pb-free) 2.5v 6 pad 5mm x 7mm plastic smd lvpecl mems oscillator frequency tolerance/stability 100ppm maximum over 0c to +70c duty cycle 50 5(%) nominal frequency 87.500mhz logic control / additional output output enable (oe) and complementary output electrical specifications nominal frequency 87.500mhz frequency tolerance/stability 100ppm maximum over 0c to +70c (inclusive of all conditions: calibration tolerance at 25c, frequency stability over the operating temperature range, supply voltage change, output load change, 1st year aging at 25c, reflow, shock, and vibration) aging at 25c 1ppm first year maximum supply voltage +2.5vdc 0.125vdc input current 75ma maximum (excluding load termination current) output voltage logic high (voh) 1.55vdc typical, vcc-1.025vdc minimum output voltage logic low (vol) 0.80vdc typical, vcc-1.62vdc maximum rise/fall time 150psec typical, 300psec maximum (measured over 20% to 80% of waveform) duty cycle 50 5(%) (measured at 50% of waveform) load drive capability 50 ohms into vcc-2.0vdc output logic type lvpecl logic control / additional output output enable (oe) and complementary output output control input voltage vih of 70% of vcc minimum or no connect to enable output and complementary output, vil of 30% of vcc maximum to disable output and complementary output (high impedance) output enable current 70ma maximum (oe) without load period jitter (deterministic) 0.2psec typical period jitter (random) 2.0psec typical period jitter (rms) 1.5psec typical, 3.0psec maximum period jitter (pk-pk) 20psec typical, 25psec maximum rms phase jitter (fj = 637khz to 10mhz; random) 1.7psec typical rms phase jitter (fj = 1mhz to 20mhz; random) 1.4psec typical rms phase jitter (fj = 1.875mhz to 20mhz; random) 1.1psec typical start up time 10msec maximum storage temperature range -55c to +125c environmental & mechanical specifications esd susceptibility mil-std-883, method 3015, class 2, hbm 2000v flammability ul94-v0 mechanical shock mil-std-883, method 2002, condition g, 30,000g moisture resistance mil-std-883, method 1004 moisture sensitivity level j-std-020, msl 1 resistance to soldering heat mil-std-202, method 210, condition k resistance to solvents mil-std-202, method 215 solderability mil-std-883, method 2003 (six i/o pads on bottom of package only) temperature cycling mil-std-883, method 1010, condition b thermal shock mil-std-883, method 1011, condition b vibration mil-std-883, method 2007, condition a, 20g www.ecliptek.com | specification subject to change without notice | rev c 8/14/2010 | page 1 of 5
emcl12c2h-87.500m mechanical dimensions (all dimensions in millimeters) pin connection 1 output enable (oe) 2 no connect 3 case ground 4 output 5 complementary output 6 supply voltage line marking 1 xxxx or xxxxx xxxx or xxxxx=ecliptek manufacturing lot code 0.54 (x4) 2.39 (x3) 1.80 (x6) 2.00 (x6) www.ecliptek.com | specification subject to change without notice | rev c 8/14/2010 | page 2 of 5 3 2 1 a 4 5 6 7.00 0.15 2.30 1.47 1.20 0.10 (x4) 5.00 0.15 0.85 0.15 0 . 0 8 m a x 1 . 4 0 0 . 1 0 ( x 4 ) note a: center paddle is connected inter nally to oscillator g round (p ad 3). 5.08 0.10 2.60 0.15 2.54 typ all t oler ances are 0.1 sug g ested solder p ad la y out solder land (x6) all dimensions in millimeters
emcl12c2h-87.500m www.ecliptek.com | specification subject to change without notice | rev c 8/14/2010 | page 3 of 5 output disable (high imped ance st a te) output w a veform & timing dia gram v oh v ol 80% 50% 20% f all time rise time t w t duty cycle (%) = t w /t x 100 v ih v il t plz t pzl clock outputs tri-st a te input q q pin connections 1 t r i-state 2 no connect 3 ground 4 output 5 complementar y output 6 supply v oltage (v dd ) p o w er supply p o w er supply p o w er supply p o w er supply oscilloscope probe 2 (note 2) probe 1 (note 2) current meter v oltage meter f requency counter switch 0.01 f (note 1) 0.1 f (note 1) 50 ohms supply v oltage (v dd ) t r i-state complementar y output output no connect ground 50 ohms note 1: an e xter nal 0.01 f cer amic b ypass capacitor in par allel with a 0.1 f high frequency cer amic b ypass capacitor close (less than 2mm) to the pac kage g round and supply v oltage pin is required. note 2: a lo w capacitance (<12pf), 10x atten uation f actor , high impedance (>10mohms), and high bandwidth (>500mhz) passiv e probe is recommended. note 3: t est circuit pcb tr aces need to be designed f or a char acter istic line impedance of 50 ohms . t est cir cuit f or t ri-state and complementar y output
t min s t max s critical zone t to t l p ramp-up ramp-down t l t p t 25 c to peak t preheat s t l t p temperature (t) time (t) recommended solder reflow methods emcl12c2h-87.500m high temperature infrared/convection ts max to tl (ramp-up rate) 3c/second maximum preheat - temperature minimum (ts min) 150c - temperature typical (ts typ) 175c - temperature maximum (ts max) 200c - time (ts min) 60 - 180 seconds ramp-up rate (tl to tp) 3c/second maximum time maintained above: - temperature (tl) 217c - time (tl) 60 - 150 seconds peak temperature (tp) 260c maximum for 10 seconds maximum target peak temperature (tp target) 250c +0/-5c time within 5c of actual peak (tp) 20 - 40 seconds ramp-down rate 6c/second maximum time 25c to peak temperature (t) 8 minutes maximum moisture sensitivity level level 1 www.ecliptek.com | specification subject to change without notice | rev c 8/14/2010 | page 4 of 5
t min s t max s critical zone t to t l p ramp-up ramp-down t l t p t 25 c to peak t preheat s t l t p temperature (t) time (t) recommended solder reflow methods emcl12c2h-87.500m low temperature infrared/convection 240c ts max to tl (ramp-up rate) 5c/second maximum preheat - temperature minimum (ts min) n/a - temperature typical (ts typ) 150c - temperature maximum (ts max) n/a - time (ts min) 60 - 120 seconds ramp-up rate (tl to tp) 5c/second maximum time maintained above: - temperature (tl) 150c - time (tl) 200 seconds maximum peak temperature (tp) 240c maximum target peak temperature (tp target) 240c maximum 1 time / 230c maximum 2 times time within 5c of actual peak (tp) 10 seconds maximum 2 times / 80 seconds maximum 1 time ramp-down rate 5c/second maximum time 25c to peak temperature (t) n/a moisture sensitivity level level 1 low temperature manual soldering 185c maximum for 10 seconds maximum, 2 times maximum. high temperature manual soldering 260c maximum for 5 seconds maximum, 2 times maximum. www.ecliptek.com | specification subject to change without notice | rev c 8/14/2010 | page 5 of 5
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