OCXO (Oven Controlled Crystal Oscillator) OC14T5S3 Series Stratum 3 Logic: HCMOS Wave Form: Square wave MERCURY Since 1973 y Full size 4 pin DIP full metal hermetically sealed package y+5.0 V D.C supply Voltage y HCMOS square wave output y Phase jitter < 1 ps rms. y Meet Stratum 3 performance levels. General Specifications (at+25°C, at +5.0 V Vcc, 15 pF load) Frequency Stability Output Wave From Frequency Range Supply Voltage (Vcc) Over-all. Including long term aging 15 years . HCMOS square wave. Wave form code is “T” 1.0 MHz ~ 20.0 MHz. +5.0 V ±0.2 V (voltage code is “5”) < ±4.6 ppm over 0°C to +70°C < ±4.6 ppm over -40°C to +85°C Hold-over during 24 hours. Including load, supply voltage and temperature variation. < ±0.28 ppm Short Term Stability < 5E -10, 0.1 sec to 30 sec.; 5 E -11 at 1 sec. typical; Initial Frequency Accuracy at +25°C < ±1.5 ppm of the nominal frequency at time of shipment. Power Dissipation < 120 mA at steady state at +25°C. <300 mA at turn-on. Warm-up time. Measured at +25°C.. < 5 minutes. Within ±0.1 ppm of the unit output frequency. Logic High “1” 4.5 V min. Referenced to ground. Logic Low “0” 0.4 V max. Referenced to ground. Duty Cycle 45% ~ 55 % measured at 50% Vcc Rise Time and Fall Time 7 n sec. max. (90% ↔ 10% Vcc) Load 15 pF Start-up Time 10 m sec. max. Fanout 10 LS or 47 pF max. Voltage Control Function Not applicable. Pin No. 1 must be connected to ground. Phase Noise 1 Hz offset < -70 dBc / Hz 10 Hz offset < -100 dBc / Hz 100 Hz offset < -132 dBc / Hz 1 KHz offset < -140 dBc / Hz Phase Jitter (RMS) 1 ps max. (12 KHz ~ 20 MHz band width) Period Jitter (RMS) 3 ps max. Storage Temperature -65°C to +125°C Shock 2000 G’s, 0.3 ms ½ sine Vibration 10 to 2000 Hz / 10 G’s peak. Inclusive of 25°C tolerance, operating temperature range, ±0.2 V input voltage variation, load change, aging at +25°C, shock and vibration. (1) MERCURY www.mercury-crystal.com Taiwan: TEL (886)-2-2406-2779, FAX (886)-2-2496-0769, e-mail: [email protected] U.S.A.: TEL (1)-909-466-0427, FAX (1)-909-466-0762, e-mail: [email protected] MERCURY Page 1 of 2 Date: April 20, 2005 Rev. 0 OCXO (Oven Controlled Crystal Oscillator) OC14T5S3 Series Stratum 3 Logic: HCMOS Wave Form: Square wave MERCURY Since 1973 OC14T5S3 Test Circuit and Wave Form: Frequency counter T2 T1 Oscilloscope A + - Vcc + V - 14 8 1 7 90% 50% 0.1uF 15 pF 10% + - V control Tr Tf Duty Cycle = T1 *100% T2 OC14T5S3 Package Dimensions and Pin Connections: unit mm [inches] Pin 1: Ground Pin 7: Ground Pin 1 must be connected to ground Pin 8: Output Pin 14: Supply Voltage Square corner is pin No. 1 Part Number Format and Example: Example: OC14T5S3-10.000-4.6/-40+85 Explanation: OCXO, 10.000 MHz, 4 pin DIP package, HCMOS output, +5.0 V supply voltage, frequency stability is ±4.6 ppm over -40 to +85°C. Meet Stratum 3 performance levels. " " " ": customer to specify 10.000 — 4.6 / -40+85 n o p q n: Product series code o: Frequency in MHz p: Frequency stability in ppm q: Operating temperature range in °C OC14T5S3 — MERCURY Page 2 of 2 Date: April 20, 2005 Rev. 0