MODEL 1914 Miniature OCXO 9x14mm FEATURES • • • • • • • • • Industry Standard 9x14mm SMT Footprint 3.3V or 5.0V operation Commercial and Industrial temp. range LVCMOS output Frequency Stability and Holdover to Stratum 3 requirements of GR-1244 Low Phase Noise Tape & Reel Packaging Optional Voltage Control Fully compliant to RoHS Directive 2002/95/EC DESCRIPTION The CTS model 1914 is a low cost, small size, high performance SMT OCXO. APPLICATIONS: Telecom Switching Wireless Communication ELECTRICAL SPECIFICATIONS Parameter Operating Conditions Conditions & Remarks Operating Temperature Range TOP Supply Voltage 3.3V – Standard 5.0V – Available Supply Power: Warm-Up: Steady State: Pmax PSS @ +25°C (still air) Output Load Frequency Stability Standard Frequencies (Consult factory for different frequencies) @ 25°C , at time of shipment Freq. vs Temperature (pk-pk) 0°C to 70°C - Standard -40°C to 85°C - Available Freq. vs Supply Voltage Freq. vs Load Holdover Stability (pk-pk) Typical Max Unit -40 - +85 °C 3.135 4.75 3.300 5.0 3.465 5.25 Vdc - - 2.4 0.7 W W 5 - 15 pF (Specifications noted apply for 3.3V supply and at +25°C (still air) unless otherwise noted) 10, 12.8, fNOM 16.384, 19.2, 19.44, 20 Initial Frequency Tolerance Freq. vs Time (Aging) Min - MHz ± 0.100 ± 0.200 ppm - - 0.100 0.280 ppm VCC ± 5% - ± 0.030 - ppm For ± 5% change - ± 0.005 - ppm per day (after 30 days) - ± 0.005 - ppm 15 years - ± 2.500 - ppm Standard: All causes, 24hrs - - 0.370 ppm Available: (Constant voltage) 30 to 50°C (24 hrs) (5 days) 0 to 70°C (14 days) Doc name : Model 1914 datasheet Page 1 - 5 0.040 0.100 0.250 ppm X5 ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 ٠ U.S.A. ٠ ٠ ٠ ٠ ٠ ٠ www.ctscorp.com ٠ ٠ ٠ MODEL 1914 Miniature OCXO Parameter Total Free-Running Accuracy Short Term Frequency Stability Warm-Up Time Conditions & Remarks all causes for 15 years (∆f/fNOM) Allan Deviation Min Typical Max Unit - - ± 4.600 ppm 0.1 0.1 ppb 5 minutes 0.1 sec tau 1.0 sec tau @ 25°C, to final frequency 9x14mm - 2 Output Parameters Output Signal LVCMOS Square Wave Amplitude Rise/Fall Times 20% to 80% @ 15pf load Duty Cycle @ 50% of output signal VOL - - 10% VCC VOH 90% VCC - - Spurious Non and Sub-harmonics Phase Noise (Typical @ 10 Mhz) Integrated jitter Vdc - - 3 ns 45 50 55 % - - -80 dBc - - -100 dBc 10Hz - -95 -80 dBc/Hz 100Hz - -125 -115 dBc/Hz 1kHz - -145 -135 dBc/Hz 10kHz - -154 -145 dBc/Hz 100kHz - -154 -145 dBc/Hz - 0.3 1.0 psec 0.3 0.5 1.65 2.5 3.0 4.5 volts ±9.6 - - ppm ∆f = 12 KHz thru 20 MHz Electronic Frequency Adjustment (Optional) Control voltage VC : Standard Available Range Slope Positive, monotonic - - - Input Impedance ZIN - 1.0 - M ohms - - 10 % Linearity Doc name : Model 1914 datasheet Page 2 - 5 X5 ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 ٠ U.S.A. ٠ ٠ ٠ ٠ ٠ ٠ www.ctscorp.com ٠ ٠ ٠ MODEL 1914 Miniature OCXO 9x14mm MECHANICAL SPECIFICATIONS PACKAGE DRAWING Pad 5 Pad 4 9.3±0.1 [.366±.004] Pad 3 PAD 1 MARK Pad 2 XXMXXX CTS YYWW CONNECTION EFC (Optional) N/C GROUND/CASE OUTPUT N/C Supply Voltage - Vcc Pad 1 PAD 1 2 3 4 5 6 Pad 6 14.3±0.1 [.563±.004] 7.0 MAX [.275] Pad 3 Pad 2 0.65 [.025] Pad 1 0.94 REF [.037] EXPOSED CONDUCTIVE MAY BE INTERNALLY CONNECTED 2 PLACES Pad 4 Pad 5 5.89 [.232] Pad 6 6.35 [.250] 1.02 TYP [.040] BARRIER COVERING OVER RESIST MASK 2.54 TYP [.100] ALL DIMENSIONS ARE IN MM [INCHES]. ALL DIMENSIONS ARE NOMINAL UNLESS OTHERWISE SPECIFIED. LEAD TERMINATION FINISH: GOLD FLASH, <10 MICRO INCH, OVER Ni PLATED Cu. Doc name : Model 1914 datasheet Page 3 - 5 X5 ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 ٠ U.S.A. ٠ ٠ ٠ ٠ ٠ ٠ www.ctscorp.com ٠ ٠ ٠ MODEL 1914 Miniature OCXO 9x14mm MECHANICAL SPECIFICATIONS (Continued) SUGGESTED SOLDER PAD GEOMETRY 5.08 [.200] 2.54 [.100] 1.40 TYP [.055] 1.27 [.050] TYP 5.64 [.222] 7.70 [.303] 7.70 [.303] EXPOSED CONDUCTIVE KEEPOUT AREA 2 PLACES ALL DIMENSIONS ARE IN MM [INCHES]. ALL DIMENSIONS ARE NOMINAL. MAXIMUM SOLDERING PROFILE Temperature >217°C Time 2.5min Note: Part is not designed to be reflowed in an inverted position. 260°C (Absolute max temperature) 10 sec ♦ Fully compliant to RoHS Directive 2002/95/EC ♦ Co-Planarity (from seating plane): max. 0.1mm ♦ MSL: level 1 ♦ Device quantity is 500 pcs maximum per 330 mm reel Doc name : Model 1914 datasheet Page 4 - 5 X5 ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 ٠ U.S.A. ٠ ٠ ٠ ٠ ٠ ٠ www.ctscorp.com ٠ ٠ ٠ MODEL 1914 Miniature OCXO 9x14mm TAPE AND REEL INFORMATION DIMENSIONS IN MILLIMETERS 17.5 2.0 Ø13 16.0 4.0 Ø1.50 1.75 7.7 7.5 120° 24.0 14.80 14.60 Ø60 9.90 9.70 Ø330 Ø23 DIRECTION OF FEED Device quantity is 500 pcs maximum per 330 mm reel Doc name : Model 1914 datasheet Page 5 - 5 X5 ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 ٠ U.S.A. ٠ ٠ ٠ ٠ ٠ ٠ www.ctscorp.com ٠ ٠ ٠