T300
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“ T 300” Series, ECL High Reliability Hybrid Microcircuit Crystal Oscillators Ruggedized Crystal Mount Radiation Tolerant to 10K Rads 100% Screening Options Low Phase Noise Hermetically Sealed Metal Package ECCN: EAR99 Ceramic Stand-off ( Optional ) Pin 1 is identified with a Sq. Corner High Shock & Vibration Applications Navigation Systems Aerospace Instrumentation Benign Space Applications Gun Launched Munitions Package Specifications & Outline: • • • • • • • • Header & Leads Material: Kovar Cover Material: Nickel Seal: Hermetic – Resistance Welded Weight: 4.0 Gms typical, 5.0 Gms Max. o Thermal Resistance, Junction to Case ( θJC ): 22 C / Watt o Lead Soldering, Temp./Time: 260 C, 10 Secs. Max. Header Finish: 100 to 250 μ inches nickel Lead Finish: 50 to 80 μ inches gold over 100 to 250 μ inches nickel Hot Solder Tinning per MIL-PRF-55310 is optional at additional cost. Contact Xsis Electronics at xsis@xsis.com for any special requirements. ORDERING INFORMATION ( Please build your part number from options below ) : o Output Frequency * Frequency Stability Options 5, 6 & 7 are not available for all operating temperature ranges. Xsis Electronics, Inc., 12620 W. 63rd St., Shawnee, KS 66216 883B = Mil - Screening H = HI-REL Screening Blank = No Screening HI-REL Screening is similar to

“ T 300” Series, ECL High Reliability Hybrid Microcircuit Crystal Oscillators Electrical Specifications: Parameter Specification Limits Output Frequency Range Frequency Stability Vs Temperature See Ordering Information on Page 1 Operating Temperature Range See Ordering Information on Page 1 Input Current (no Load ) Output Waveform Square Wave, ECL 10K & 10 KH Compatible Output Duty Cycle ( at 50% Output Level ) Output High Level Output Load Rise & Fall Times ( Typical Load ) Start-Up Time Phase Jitter ( 10 KHz - 20 MHz Integrated ) Freq. Stability Vs Supply Voltage Aging at 70 oC + 4 PPM...

“ T 300” Series, ECL High Reliability Hybrid Microcircuit Crystal Oscillators ESD protective conductive foam tray. Junction to case Thermal Constant ( θJC ): 22 C / Watt o Junction to Ambient ( Device floating in free air) Thermal Constant ( θJA ): 85 C / Watt Hi-Rel Screening: When HI-REL option is selected, Xsis Oscillators are subjected to 100% screening similar to Class “S” screening in accordance with MIL-PRF-55310. Refer to www.xsis.com for additional details about HI-REL screening. Typical Phase Noise (dbc/Hz): Output Frequency Environmental Specifications: T300 series oscillators...

“ T 300” Series, ECL High Reliability Hybrid Microcircuit Crystal Oscillators Power Supply NOTE: For PECL applications, Xsis 300 Series oscillators can be operated with +5 VDC + 10% on Pin 14 and power supply return on Pin 7. Output signal can be AC or DC coupled. Typical Freq. Stability Vs. Temperature 50 40 Xsis Electronics, Inc., 12620 W. 63rd St., Shawnee, KS 66216 Page 4 of 4 Tel. 913-631-0448 Fax. 913-631-1170, www.xsis.com, email xsis@xsis.