leaded spxos iqxo-35, -36 industrial oscillator issue 5; 19 october 1999 delivery options please contact our sales office for current leadtimes output compatibility hcmos/ttl drive capability: 50pf or 10ttl non tri-state (iqxo-35) tri-state (iqxo-36) package outline 8-pin dil compatible resistance welded enclosure, hermetically sealed with glass to metal seals and high environmental performance standard frequency stabilities 25ppm, 50ppm, 100ppm (over operating temperature range) frequency tolerance @ 25c (optional) 5ppm, 10ppm, 25ppm operating temperature range ?40 to 85c storage temperature range ?55 to 125c environmental specification acceleration: 490m/s 2 for 1 minute in the ?y 1 ? plane bump: 4000 bumps at 390m/s 2 in each of the three mutually perpendicular planes hermetic seal: not to exceed 1 x 10 -8 mbar litres of helium leakage humidity: steady state: in accordance with test ca of iec 60068-2-3, for 56 days at 40c at a relative humidity of 93%, cyclic: in accordance with test db variant of iec 60068-2-30, at severity b), 55c for six cycles shock: 981m/s 2 for 6ms, three shocks in each direction along the three mutually perpendicular planes solderability: bs2011 test ta rapid change of temperature over operating temperature range: 10 cycles. vibration: 10 to 60hz 0.75mm displacement, 60 to 2000hz 98.1m/s 2 acceleration, 30 minutes in each of three mutually perpendicular planes outline in mm output waveform - hcmos/ttl 11.8 5.8 max 4.0 min 0.8 max 13.20 7.62sq 14 8 5 pin connections 1. n/c or enable/disable. 4. gnd 5. output 8. +vs ? 0.5 13.20 tri-state operation (iqxo-36) logic ?0? to pin 1 disables oscillator output; when disabled the oscillator output goes to the high impedance state no connection or logic ?1? to pin enables oscillator output maximum ?pull-down? resistance required to disable output = 20k ? disable current 50a typical marking model number frequency stability code frequency tolerance code (optional) frequency date code (year/week) minimum order information required frequency + model number + frequency stability t r t f t t 90%vs 10%vs 50%vs 0v +vs 2.4v 0.4v duty cycle = t x 100(%) t 1.4v
leaded spxos test circuit - hcmos +vs 15pf* oscillator a v oscilloscope frequency counter 1 4 85 *inclusive of jigging & equipment capacitance 0.1 f note: pin 1 = no connection on non tri-state models test circuit - ttl 15pf* d 1 to d 4 = in916 or equivalent d 4 d 2 d 3 v oscillator 400r 1 4 8 5 a d 1 0.1 f oscilloscope frequency counter +vs *inclusive of jigging & equipment capacitance note: pin 1 = no connection on non tri-state models electrical specifications - maximum limiting values when measured in hcmos test circuit. frequency frequency supply voltage supply current rise time(t r ) fall time(t f ) duty cycle model number range stability 500.0khz to 25ppm, 50ppm, 5v0.25v 20ma 15ns 15ns 45/55% iqxo-35, -36 < 5.0mhz 100ppm 5.0 to 25ppm, 50ppm, 5v0.25v 20ma 10ns 10ns 45/55% iqxo-35, -36 < 16.0mhz 100ppm 16.0 to 25ppm, 50ppm, 5v0.25v 30ma 10ns 10ns 45/55% iqxo-35, -36 < 30.0mhz 100ppm 30.0 to 25ppm, 50ppm, 5v0.25v 40ma 8ns 8ns 45/55% iqxo-35, -36 < 50.0mhz 100ppm 50.0 to 25ppm, 50ppm, 5v0.25v 50ma 6ns 6ns 40/60% iqxo-35, -36 70.0mhz 100ppm ordering example 22.0mhz iqxo-35 b f frequency model number -35 = non tri-state, -36 = tri-state frequency stability: a = 25ppm, b = 50ppm, c = 100ppm frequency tolerance @ 25c: d = 5ppm; e = 10ppm; f = 25ppm please note: code combination a f is not available
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