lvds hf/uhf clock (xo) AA-X2D6XXX-X series description the aa-x2d6xxx series of quartz crystal oscillators pr ovide ultra high frequency with lvds complementary outputs. the outputs can be disabled for test automation or combining multiple clocks. the device is based on low noise analog harmonic multiplic ation, and packaged in a miniature, low profile leadless fr4 based package with gold plated pads, wh ich enhances compatibility with pcb material. applications and features ? wide frequency range ? 10.0mhz to 625.000mhz ? fiber channel; 10 gbe; infiniband; ne twork processors; soho routing ? high reliability - nel halt/hass qualified for crystal oscillator start-up conditions ? low phase noise, low jitter ? ultra high frequency ? fast rise and fall times ? tight frequency stability - 20 ppm overall available ? low cost ? cots/dual use 357 beloit street, p.o. box 457, burlington, wi 53105-0457 u.s.a. phone 262/763-3591 fax 262/763-2881 email: nelsales@nelfc.com www.nelfc.com crystal clock oscillators data sheet 0631e rev. j aa - x 2d6 x x x - x -freq package code environmental aa 6 pad 7.5x 5.2mm smd l contains level of lead that is in excess of rohs directive and is input voltage not designed for reflow a 3.3v5% r rohs compliant b 2.5v5% overall frequency stability, ppm enable option e 20 n n/c temperature range, c f 25 l enable low a 0 to 50 g 50 b 0 to 70 h 100 c -20 to 70 9 customer specific d -40 to 85 9 customer specific creating a part number crystal clock oscillators data sheet 0631e
crystal clock oscillators AA-X2D6XXX-X series continued lvds hf/uhf clock (xo) absolute maximum ratings parameter symbol value unit operating temperature range to -40 to +85 oc storage temperature range tst -50 to +90 oc supply voltage vcc -0.5 to 4.5 v enable/disable voltage ven/dis 0 to vcc v electrical parameters (1) parameter symb conditions, note min typ max unit nominal frequency fo for fo>500mhz consult factory 10 625 mhz supply voltage vcc code a code b 3.135 2.375 3.3 2.5 3.465 2.625 v supply current icc 80 100 ma load at receiving end between the outputs 90 100 110 ohm output levels vod differential amplitude 247 330 454 mv amplitude error 50 mv vof offset voltage 1.125 1.25 1.375 v offset voltage error 50 mv duty cycle (symmetry) at outputs crossing, room temperature 45/55 50/50 55/45 % rise/fall time tr/tf 20 to 80, 80 to 20 % 0.35 0.4 ns jitter integrated j integrated from phase noise, 12 khz to 20 mhz, rms 0.2 ps wavecrest characterized random period, 2.5 2.5 ps accumul., pk-to-pk 25 ps deterministic fo<125mhz fo>125mhz 3 5 6 10 ps subharmonics <125mhz <400 m >400 m none -50 -45 dbc phase noise ( f) 212.5 mhz @ 10 hz @100 hz @1 khz @10khz @100khz @>1mhz -65 -95 -125 -140 -145 -148 dbc/hz frequency stability f/f overall, including initial calibration, temperature, aging 10 years, shock and vibration see ?creating a part number? not all combinations available, consult factory ppm enable voltage* v il 00.8v disable voltage v ih 2vccv * enable logic low or open note 1. all parameters, unless otherwise specified, are at nomin al conditions, ie: t=25c, nominal vcc & nominal load. 357 beloit street, p.o. box 457, burlington, wi 53105-0457 u.s.a. phone 262/763-3591 fax 262/763-2881 email: nelsales@nelfc.com www.nelfc.com rev. j
rev. j 0.5 2.0 1 2 3 4 5 6 1.37 1.37 2.540 5.20 7.5 nel AA-X2D6XXX-X series continued lvds uhf clock (xo) electrical connection pin connection 1 no connect or en/dis 2 n.c. 3 v ee /ground 4 output 5 /output 6 v cc dimensions are typical in mm environmental and mechanical characteristics operating temp. range see part # table mechanical shock per mil-std-202, method 213, cond. e thermal shock per mil-std-883, method 1011, cond. a vibration per mil-std-883, method 2007, cond. a hermetic seal leak rate less than 1x10 -8 atm.cc/s of helium soldering conditions see max reflow profile below ; the device may be reflowed once. reflowing upside down is not allowed. no clean assembly is recommended maximum reflow profile the device may be reflowed once. reflowing upside down is not allowed . no clean assembly is recommended 357 beloit street, p.o. box 457, burlington, wi 53105-0457 u.s.a. phone 262/763-3591 fax 262/763-2881 email: nelsales@nelfc.com www.nelfc.com
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