Miniature OCXO 9x14mm FEATURES • • • • • • • • Industry Standard 9x14mm SMT Footprint 3.3V or 5.0V operation Commercial or Industrial temperature range LVCMOS output Low Phase Noise Tape & Reel Packaging Electrical Frequency Adjustment Option Fully compliant to RoHS Directive 2002/95/EC DESCRIPTION The CTS model 1914 is a low cost, small size, high performance SMT OCXO. Patent Pending. APPLICATIONS: Test and Measurement Telecommunications Wireless Base Stations ELECTRICAL SPECIFICATIONS Parameter Operating Conditions Operating Temperature Range Supply Voltage Supply Power: Warm-Up: Steady State: Conditions & Remarks Min TOP Standard Frequencies (Consult factory for different frequencies) Initial Frequency Tolerance Freq. vs Temperature (pk-pk) Max Unit °C -40 - +85 Option L: 3.3 V 3.135 3.300 3.465 Option H: 5.0 V 4.75 5.0 5.25 - - 2.4 0.7 W W 5 - 15 pF Pmax PSS @ +25°C (still air) Output Load Frequency Stability Typical (Specifications noted apply for 3.3V supply and at +25°C (still air) unless otherwise noted) 10, 12.8, 16.384, fNOM 10 25 19.2, 19.44, 20, 22, 25 @ 25°C , at time of shipment - ± 0.100 ± 0.200 Option A: 0°C to +70°C - - 0.100 Option B: -40°C to +85°C - - 0.280 Vdc MHz ppm ppm Freq. vs Supply Voltage VCC ± 5% - ± 0.030 - ppm Freq. vs Load For ± 5% change - ± 0.005 - ppm Freq. vs Time (Aging) Holdover Stability (pk-pk) per day (after 30 days) - ± 0.005 - ppm 15 years - ± 2.500 - ppm Standard: All causes, 24hrs - - 0.370 ppm Available Option: (@ Constant voltage) +30 to +50°C for 24 hrs +30 to +50°C for 5 days 0 to +70°C for 14 days - - 0.040 0.100 0.250 !" # $ % ,,,# % # & !" '( ppm ) *## +# Miniature OCXO Parameter Conditions & Remarks Min 9x14mm Typical Max Unit Total Free-Running Accuracy all causes for 15 years ( f/fNOM) - - ± 4.600 ppm Short Term Frequency Stability Allan Deviation - 0.3 0.5 ppb Warm-Up Time @ 25°C, to within 100 ppb of final frequency - 2 5 minutes @ 1.0 sec tau Output Parameters Output Signal LVCMOS Square Wave Amplitude Rise/Fall Times 20% to 80% @ 15pf load Duty Cycle @ 50% of output waveform VOL - - 10% VCC VOH 90% VCC - - Spurious Non and Sub-harmonics Phase Noise (Typical @ 10 Mhz) 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 0.5 1.65 2.5 3.0 4.5 volts ppm Electronic Frequency Adjustment (Option V) VC EFC Control Voltage Standard Available Option Frequency Adjust Range (Std) ±9.6 - - Slope Positive, monotonic - - - Input Impedance ZIN - 1.0 - M ohms - - 10 % Linearity VIO Pin 2 OPEN, Output Enabled Enable Input Voltage VIH Pin 2 Logic '1', Output Enabled 0.7*Vcc - - V Disable Input Voltage VIL Pin 2 Logic '0', Disabled, High Z - - 0.3*Vcc V Enable Function Model 1914 Standard Options Frequency in MHz 1914 ___.________ Example: 1914LBF20.0000 Supply Voltage L = +3.3Vdc H = +5.0Vdc Oper. Temp. Range A = 0 to +70 C B = -40 to +85 C Electronic Freq. Control F = Fixed - No Adjust V = Elect. Freq. Adjust - !" # $ % ,,,# % # & !" '( ) *## +# Miniature OCXO 9x14mm MECHANICAL SPECIFICATIONS PACKAGE DRAWING PAD 4 9.30±0.50 [.366±0.020] PAD 3 PAD 1 MARK PAD 2 ENABLE TRUTH TABLE PIN 2 PIN 4 LOGIC '1' ENABLED OPEN ENABLED LOGIC '0' High Z XXMXXX CTS YYWW Pat. Pend. CONNECTION EFC or DO NOT CONNECT ENABLE GROUND OUTPUT N/C SUPPLY VOLTAGE - VCC PAD 1 PAD 1 2 3 4 5 6 PAD 5 PAD 6 14.30±0.50 [.563±0.020] PAD 3 PAD 2 PAD 1 6.92±0.50 [.272±0.020] 1.02 TYP [.040] 2.54 [.100] PAD 4 PAD 6 RECESSED C'BORE HOLES, MAY CONTAIN EXPOSED ELECTRICAL CONNECTIONS FOR CTS USE ONLY. (10) PLACES PAD 5 6.76 [.266] RECESSED CAVITY 5.08 [.200] 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. . !" # $ % ,,,# % # & !" '( ) *## +# Miniature OCXO 9x14mm MECHANICAL SPECIFICATIONS (Continued) SUGGESTED SOLDER PAD GEOMETRY 5.08 [.200] 2.54 [.100] 1.27 TYP [.050] 6.50 10.06 [.256] [.396] 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 !" # $ % ,,,# % # & !" '( ) *## +# Miniature OCXO " 1" 01 " 1 " ' ' " / $# 9x14mm -# 3. # (# 3# # $ $# $ $# - 4 - # # ) # ( 3( # # $ " / 3-. " 01022 Device quantity is 500 pcs maximum per 330 mm reel !" # $ % ,,,# % # & !" '( ) *## +# 3..