rohs ep1445sjttsc-14.31818m tr ep14 45 sj t ts c -14.31818m tr series rohs compliant 5.0v plastic j-lead smd hcmos/ttl programmable oscillator frequency tolerance/stability 50ppm maximum package operating temperature range -20c to +70c duty cycle 50 5(%) packaging options tape & reel nominal frequency 14.31818mhz output logic type cmos pin 1 connection tri-state (disabled output: high impedance) electrical specifications nominal frequency 14.31818mhz frequency tolerance/stability 50ppm maximum (inclusive of all conditions: calibration tolerance at 25c, frequency stability over the operating temperature range,supply voltage change, output load change, first year aging at 25c, shock, and vibration) aging at 25c 5ppm/year maximum operating temperature range -20c to +70c supply voltage 5.0vdc 10% input current 45ma maximum (unloaded) output voltage logic high (voh) vdd-0.4vdc minimum (ioh = -16ma) output voltage logic low (vol) 0.4vdc maximum (iol = +16ma) rise/fall time 4nsec maximum (measured at 20% to 80% of waveform) duty cycle 50 5(%) (measured at 1.4vdc with ttl load; measured at 50% of waveform with hcmos load) load drive capability 50pf hcmos load maximum output logic type cmos pin 1 connection tri-state (disabled output: high impedance) tri-state input voltage (vih and vil) +2.0vdc minimum to enable output, +0.8vdc max, to disable output, no connect to enable output. standby current 50a maximum (pin 1 = ground) disable current 30ma maximum (pin 1 = ground) absolute clock jitter 250psec maximum, 100psec typical one sigma clock period jitter 50psec maximum start up time 10msec maximum storage temperature range -55c to +125c environmental & mechanical specifications fine leak test mil-std-883, method 1014, condition a gross leak test mil-std-883, method 1014, condition c mechanical shock mil-std-202, method 213, condition c resistance to soldering heat mil-std-202, method 210 resistance to solvents mil-std-202, method 215 solderability mil-std-883, method 2003 temperature cycling mil-std-883, method 1010 vibration mil-std-883, method 2007, condition a www.ecliptek.com | specification subject to change without notice | rev d 8/12/2010 | page 1 of 6
ep1445sjttsc-14.31818m tr mechanical dimensions (all dimensions in millimeters) pin connection 1 tri-state (high impedance) 2 ground 3 output 4 supply voltage line marking 1 ecliptek 2 14.318m 3 pxxyzz p=configuration designator xx=ecliptek manufacturing code y=last digit of the year zz=week of the year 5.8 3.81 1.27 (x4) 3.0 (x4) www.ecliptek.com | specification subject to change without notice | rev d 8/12/2010 | page 2 of 6 marking orient a tion 9.8 max 14.0 max 1 2 3 4 4.7 max 0.25 min 5.080 0.203 7.620 0.203 0.510 0.203 all t oler ances are 0.1 sug g ested solder p ad la y out solder land (x4) all dimensions in millimeters
ep1445sjttsc-14.31818m tr www.ecliptek.com | specification subject to change without notice | rev d 8/12/2010 | page 3 of 6 output disable (high imped ance st a te) output w a veform & timing dia gram v oh v ol 80% or 2.0v dc 50% or 1.4v dc 20% or 0.8v dc 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 ttl output output no connect or t r i-state ground + + + + _ _ _ _ p o w er supply v oltage meter current meter 0.01 f (note 1) 0.1 f (note 1) c l (note 3) r l (note 4) p o w er supply oscilloscope f requency counter probe (note 2) 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 . note 4: resistance v alue r l is sho wn in t ab le 1. see applicab le specification sheet f or 'load dr iv e capability'. note 5: all diodes are mmbd7000, mmbd914, or equiv alent. t ab le 1: r l resistance v alue and c l capacitance v alue vs . output load dr iv e capability output load drive capability r l v alue (ohms) c l v alue (pf) 10ttl 5ttl 2ttl 10lsttl 1ttl 390 780 1100 2000 2200 15 15 6 15 3
ep1445sjttsc-14.31818m tr www.ecliptek.com | specification subject to change without notice | rev d 8/12/2010 | page 4 of 6 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)
dia 50 min dia 20.2 min dia 13.0 0.2 2.5 min width 10.0 min depth t ape slot in core f or t ape star t dia 40 min access hole at slot location 1.5 min tape & reel dimensions *compliant to eia 481a ep1445sjttsc-14.31818m tr 24.0 0.3 11.5 0.1 10.75 0.10 4.0 0.2 2.0 0.1 12.0 0.1 b0* 1.5 +1.0/-0.0 a0* 0.3 0.1 k0* 30.4 max 360 max quantity per reel: 1,000 units 24.4 +2.0/-0.0 www.ecliptek.com | specification subject to change without notice | rev d 8/12/2010 | page 5 of 6
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 ep1445sjttsc-14.31818m tr 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 d 8/12/2010 | page 6 of 6
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