pb rohs ec2720ettts-66.6667m ec27 20 et t ts -66.6667m series rohs compliant (pb-free) 2.5v 4 pad 5x7mm ceramic smd lvcmos oscillator frequency tolerance/stability 20ppm maximum operating temperature range -40c to +85c nominal frequency 66.6667mhz pin 1 connection tri-state (high impedance) duty cycle 50 5(%) electrical specifications nominal frequency 66.6667mhz frequency tolerance/stability 20ppm maximum (inclusive of all conditions: calibration tolerance at 25c, frequency stability over the operating temperature range, supply voltage change, ouput load change, first year aging at 25c, shock, and vibration) aging at 25c 5ppm/year maximum operating temperature range -40c to +85c supply voltage 2.5vdc 5% input current 10ma maximum output voltage logic high (voh) 90% of vdd minimum (ioh = -4ma) output voltage logic low (vol) 10% of vdd maximum (iol = +4ma) rise/fall time 3nsec maximum (measured at 20% to 80% of waveform) duty cycle 50 5(%) (measured at 50% of waveform) load drive capability 15pf maximum output logic type cmos pin 1 connection tri-state (high impedance) tri-state input voltage (vih and vil) 90% of vdd minimum or no connect to enable output, 10% of vdd maximum to disable output (high impedance) standby current 10a maximum (disabled output, high impedance) rms phase jitter 1psec maximum (12khz to 20mhz offset frequency) start up time 10msec maximum storage temperature range -55c to +125c environmental & mechanical specifications esd susceptibility mil-std-883, method 3015, class 1, hbm: 1500v fine leak test mil-std-883, method 1014, condition a flammability ul94-v0 gross leak test mil-std-883, method 1014, condition c mechanical shock mil-std-883, method 2002, condition b moisture resistance mil-std-883, method 1004 moisture sensitivity 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 temperature cycling mil-std-883, method 1010, condition b vibration mil-std-883, method 2007, condition a www.ecliptek.com | specification subject to change without notice | rev m 3/11/2011 | page 1 of 5
ec2720ettts-66.6667m mechanical dimensions (all dimensions in millimeters) pin connection 1 tri-state 2 ground/case ground 3 output 4 supply voltage line marking 1 ecliptek 2 66.666m 3 xxyzz xx=ecliptek manufacturing code y=last digit of the year zz=week of the year 2.88 1.81 2.0 (x4) 2.2 (x4) www.ecliptek.com | specification subject to change without notice | rev m 3/11/2011 | page 2 of 5 1.6 +0.2/-0.5 5.00 0.15 7.00 0.15 marking orient a tion 3.68 0.15 1.4 01 1.2 0.2 2.60 0.15 5.08 0.15 1 2 3 4 all t oler ances are 0.1 sug g ested solder p ad la y out solder land (x4) all dimensions in millimeters
ec2720ettts-66.6667m www.ecliptek.com | specification subject to change without notice | rev m 3/11/2011 | page 3 of 5 output disable (high imped ance st a te) output w a veform & timing dia gram v oh v ol 80% of w a v ef or m 50% of w a v ef or m 20% of w a v ef or m f all time rise time t w t duty cycle (%) = t w /t x 100 v ih v il t plz t pzl clock output tri-st a te input supply v oltage (v dd ) t est cir cuit f or cmos output output no connect or t r i-state ground + + + _ _ _ p o w er supply 0.01 f (note 1) 0.1 f (note 1) c l (note 3) note 1: an e xter nal 0.1 f lo w frequency tantalum b ypass capacitor in par allel with a 0.01 f high frequency cer amic b ypass capacitor close to the pac kage g round and v dd pin is required. note 2: a lo w capacitance (<12pf), 10x atten uation f actor , high impedance (>10mohms), and high bandwidth (>300mhz) passiv e probe is recommended. note 3: capacitance v alue c l includes sum of all probe and fixture capacitance . v oltage meter current meter oscilloscope f requency counter probe (note 2)
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 ec2720ettts-66.6667m 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 additional notes temperatures shown are applied to body of device. www.ecliptek.com | specification subject to change without notice | rev m 3/11/2011 | 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 ec2720ettts-66.6667m 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 additional notes temperatures shown are applied to body of device. low temperature manual soldering 185c maximum for 10 seconds maximum, 2 times maximum. (temperatures shown are applied to body of device.) high temperature manual soldering 260c maximum for 5 seconds maximum, 2 times maximum. (temperatures shown are applied to body of device.) www.ecliptek.com | specification subject to change without notice | rev m 3/11/2011 | page 5 of 5
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