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| FREQUENCY XOHyb SMD QEN79 Defense airborne - Crystal oscillator - XO General Specification (rev-A) Description ..........................................................................P02 Marking ................................................................................P02 Mechanical drawing and Pin out ..........................................P03 Reflow Soldering Profile.......................................................P03 Frequency XOHyb SMD QEN79 Defense airborne - Crystal oscillator - XO General Specification (rev-A) Description True Hybrid product with die and wire bonding to a ceramic substrate 3 points crystal resonator, seam sealing cover. Case type (s) : SMD package 4 J lead 14 x 9 x 3.37mm typical Frequency Range : 1.75MHz to 80MHz Temperature Range : from -40 to +85C up to -55 C to +125 C C Overall Frequency Stability vs. Temperature Range : +/-50 to +/-100ppm Including calibration at 25C and load and power su pply changes Ageing per year: +/-5ppm at 45C first year Output Wave Form : square Supply Voltage : +3.3V or +5V Options available : duty cycle 50/50; enable/disable ; tinned pins ; Screening B ; Rugged tests June 25th , 2007 Marking QEN79 - AH R I 50 MHz DT 50 SB A Supply voltage AH : 5 V BH :3.3V Option R : duty cycle between 45% and 55% I : enable ( 0V : High impedance) Frequency at 25 +/- 2 C C between 1.5MHz and 80MHz Temperature range DT from -40 to +85 C C AY from -55 to +125 C C Absolute frequency drift on temperature range 50 : +/- 50ppm 100 : +/- 100ppm Screening B according to military standard MIL STD 55310 Rugged tests VRT : 30 cycles from -55 to +125 ; 10mn/level, ramp 30 C C C/mn Progressive power-on test from 0V to Vcc Hot and cold start-up additionnaly to temperature drift measurement Tinned pins according to Jedec standard J-STD-0001/D /T 2 TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost. Frequency XOHyb SMD QEN79 Defense airborne - Crystal oscillator - XO General Specification (rev-A) Mechanical drawing and Pin out June 25th , 2007 Pin out #1 :NC or Enable/disable #2 : GND #3 : Output frequency #4 : Power supply Suggested Reflow Soldering Profile Reflow soldering: two times max 3 TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost. |
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