pb rohs e13c5c2f-77.760m tr e13c5 c 2 f -77.760m tr series rohs compliant (pb-free) 3.3v 6 pad 3.2mm x 5mm ceramic smd lvpecl oscillator frequency tolerance/stability 100ppm maximum over 0c to +70c duty cycle 50 5(%) packaging options tape & reel nominal frequency 77.760mhz logic control / additional output tri-state and complementary output electrical specifications nominal frequency 77.760mhz 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, first year aging at 25c, shock, and vibration) supply voltage +3.3vdc 5% input current 75ma maximum output voltage logic high (voh) vcc-1.025vdc minimum from 0c to +85c, vcc-1.085vdc minimum from -40c to +0c output voltage logic low (vol) vcc-1.620vdc maximum from 0c to +85c, vcc-1.555vdc maximum from -40c to +0c rise/fall time 300psec typical, 700psec maximum (measured at 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 phase noise -60dbc/hz at 10hz offset, -95dbc/hz at 100hz offset, -125dbc/hz at 1khz offset, -143dbc/hz at 10khz offset, -145dbc/hz at 100khz offset, -145dbc/hz at 1mhz offset, -146dbc/hz at 10mhz offset (all values are typical, fo=156.250mhz) logic control / additional output tri-state and complementary output tri-state input voltage (vih and vil) vih of 70% of vcc minimum or no connect to enable output and complementary output, vil of 30% of vcc maximum to disable high impedance output and complementary output standby current 30a maximum (without load) rms phase jitter 0.4psec typical, 1psec maximum (fj=12khz to 20mhz) 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 b 8/12/2010 | page 1 of 6
e13c5c2f-77.760m tr mechanical dimensions (all dimensions in millimeters) pin connection 1 tri-state 2 no connect 3 case/ground 4 output 5 complementary output 6 supply voltage line marking 1 e77.760 e=ecliptek designator 2 xxyzz xx=ecliptek manufacturing code y=last digit of the year zz=week of the year 0.27 (x4) 0.80 (x2) 1.40 (x6) 1.00 (x6) www.ecliptek.com | specification subject to change without notice | rev b 8/12/2010 | page 2 of 6 3.20 0.15 1.30 max 1.20 0.15 1 2 3 6 5 4 1.27 0.15 1.00 0.15 0.64 0.10 2.54 0.15 5.00 0.15 all t oler ances are 0.1 sug g ested solder p ad la y out solder land (x6) all dimensions in millimeters
e13c5c2f-77.760m tr www.ecliptek.com | specification subject to change without notice | rev b 8/12/2010 | page 3 of 6 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
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 e13c5c2f-77.760m tr 16.0 0.3 7.5 0.1 6.75 0.1 4.0 0.1 2.0 0.1 8.0 0.1 b0* dia 1.5 +0.1/-0.0 a0* 0.30 0.1 k0* 22.4 max 360 max quantity per reel: 1,000 units 16.4 +2.0/-0.0 www.ecliptek.com | specification subject to change without notice | rev b 8/12/2010 | page 4 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 e13c5c2f-77.760m tr 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 b 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 e13c5c2f-77.760m 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 b 8/12/2010 | page 6 of 6
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