1180026-XXX 20.000 MHz 1x1 OCXO Stratum 3E FEATURES • Compliant to Stratum 3E per GR-1244-Core and GR-253-Core • For use with Zarlink SONET/SDH/10GbE System Synchronizer/SETS • 20 MHz • 3.3V or 5.0V operation • Low Jitter/Phase Noise • Through-Hole or Surface Mount Configuration • Fully compliant to RoHS Directive 2002/95/EC DESCRIPTION The CTS model 1180026 is a low cost, small size, high performance OCXO. The high quality CTS Quartz Crystal used in this OCXO offers high stability and low jitter/phase noise, making it the ideal choice for any telecommunications system. Applications: Telecom Switching Wireless Communication Timing over Packet ELECTRICAL SPECIFICATIONS Parameter Conditions & Remarks Min Typical Max Unit Operating Conditions Operating Temperature Range TOP Supply Voltage, Vcc (Note 1) 3.3V 5.0 V -40 - +85 °C 3.135 4.750 3.3 5.0 3.465 5.250 Vdc 4.0 during warm up - 3.5 steady state @ +25°C - 1.5 W Power Consumption Start-Up Time To 90% output amplitude Load Output to Ground 5 Frequency fNOM Initial Tolerance ∆f/fNOM; TA=25°C; at time of shipment W 50 mSec 10 15 pf - 20.000 - MHz - ± 0.3 ± 0.5 ppm 10 ppb, pk-pk Frequency Stability Frequency vs Temperature vs Supply Voltage Aging 24-Hour Holdover Stability (Note 2) Total Free-Run Accuracy 1180026 Data Sheet Over Operating Temperature, pk-pk (Note 1) Vcc ± 5% - 7 - ±1 Per day, at time of shipment - ±0.5 ppb ±1 ppb/day ppm 20 years - - ±1 At constant temperature Inclusive of variable operating temp and 24 hours aging drift (after 8 hours operation, following 24 hours off period – see Note 2) Under all operating conditions for 20 years. Ref to fNOM - ± 0.5 ±1 - - 11 - - ±2.1 ppb, pk-pk Page 1 - 6 ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 2375 Cabot Drive ٠ Lisle, IL 60532 ٠ U.S.A. ٠ ٠ ٠ ٠ ٠ ٠ www.ctscorp.com ٠ Toll Free 800-757-6686 ٠ ٠ ٠ ppm Rev. C 1180026-XXX 20.000 MHz 1x1 OCXO Stratum 3E Parameter Conditions & Remarks Min Typical Max Unit Frequency Stability continued Short Term Stability ADEV (in still air) Wander Generation 1.0 sec - < 0.01 0.02 ppb 10 sec - 0.01 0.03 ppb 100 sec - 0.02 0.05 ppb 1000 sec - 0.05 0.1 ppb 10,000 sec - 0.07 0.2 ppb MTIE and TDEV per Stratum 3E requirements of Telcordia GR-1244-CORE and GR-253-CORE TA=25°C; to within 10ppb of freq. @ 60 min Warm-Up Time - - 15 minutes - -70 -103 -60 -100 dBc/Hz dBc/Hz Phase Noise Offset = 1 Hz 10 Hz 100 Hz - -130 -125 dBc/Hz 1 kHz - -140 -130 dBc/Hz 10 kHz - -142 -135 dBc/Hz - - -25 dBc Sub-Harmonics Output Parameters HCMOS Output Signal Square Wave VOL - - 10%VCC VOH 90% VCC - - Vdc Amplitude Rise / Fall Times 20% to 80% @ 10pf load - 4 7 ns Duty Cycle @ 50 % of output signal 40 50 60 % Note 1: See Dash Number Table below for Input Supply Voltage and Operating Temperature Range options Note 2: 8 hours operation required if off for 24 hours 24 hours operation required if off for up to 1 week 48 hours operation required if off for up to 1 month Typical Wander Generation MTIE Performance of 1180026-018 Typical Wander Generation TDEV Performance of 1180026-018 100 100 10 MTIE 10 nSec TDEV nSec 1 0.1 1 0.01 0.1 1 10 100 1000 10000 100000 0.01 0.01 0.1 1 10 Seconds MTIE 100 1000 10000 100000 Seconds GR-1244 Mask TDEV GR-1244 Mask Wander Generation and Holdover Test Report available upon request 1180026 Data Sheet Page 2 - 6 ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 2375 Cabot Drive ٠ Lisle, IL 60532 ٠ U.S.A. ٠ ٠ ٠ ٠ ٠ ٠ www.ctscorp.com ٠ Toll Free 800-757-6686 ٠ ٠ ٠ Rev. C 1180026-XXX 20.000 MHz 1x1 OCXO Stratum 3E Dash Number Table (CTS Dash No. = –XXX) No Air-Flow Shield With Air-Flow Shield Vcc Operating Temperature Range CTS Dash No. Package Specification Vcc Operating Temperature Range Figure 1 +5.0 Vdc 0°C to +70°C -011 Figure 3 +5.0 Vdc 0°C to +70°C -002 Figure 1 +5.0 Vdc -40°C to +85°C -012 Figure 3 +5.0 Vdc -40°C to +85°C -003 Figure 1 +3.3 Vdc 0°C to +70°C -013 Figure 3 +3.3 Vdc 0°C to +70°C -004 Figure 1 +3.3 Vdc -40°C to +85°C -014 Figure 3 +3.3 Vdc -40°C to +85°C -005 Figure 2 +5.0 Vdc 0°C to +70°C -015 Figure 4 +5.0 Vdc 0°C to +70°C -006 Figure 2 +5.0 Vdc -40°C to +85°C -016 Figure 4 +5.0 Vdc -40°C to +85°C -007 Figure 2 +3.3 Vdc 0°C to +70°C -017 Figure 4 +3.3 Vdc 0°C to +70°C -008 Figure 2 +3.3 Vdc -40°C to +85°C -018 Figure 4 +3.3 Vdc -40°C to +85°C CTS Dash No. Package Specification -001 Complete CTS orderable part number includes 1180026-XXX (where –XXX = CTS Dash No. from this table) Environmentals Reflow Soldering Maximum reflow temperature, 245°C for 10 seconds, 240°C for 20 seconds, per IPC/JEDEC J-STD-020C MSL Level 1 RoHS Lead-Free. Fully compliant to RoHS Directive 2002/95/EC Shock 50 G’s, 11 msec, 500 G’s, 1msec, 5 shocks in each of 6 directions Sinusoidal Vibration 10 Hz to 55 Hz with a double amplitude of 0.75mm, 10 g’s peak from 55 Hz to 2000Hz, for 30 minutes in each of three perpendicular directions Random Vibration 5.35 G’s RMS. 20 to 500 Hz, per MIL-STD-202F, Method 214, 15 minutes each axis. Seal Hermetic resistance weld Marking Permanency per MIL-STD-202F, Method 215J. Surface Mount Base High Temperature FR-4 Storage Temperature -55°C to +125°C 1180026 Data Sheet Page 3 - 6 ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 2375 Cabot Drive ٠ Lisle, IL 60532 ٠ U.S.A. ٠ ٠ ٠ ٠ ٠ ٠ www.ctscorp.com ٠ Toll Free 800-757-6686 ٠ ٠ ٠ Rev. C 1180026-XXX 20.000 MHz 1x1 OCXO Stratum 3E MECHANICAL SPECIFICATIONS PACKAGE DRAWINGS Figure 1 Figure 2 CTS 1180026-XXX 20.000 MHz S/N XXXXX YYWW Made in China CTS 1180026-XXX 20.000 MHz S/N XXXXX YYWW Made in China TEST # 1180026 Data Sheet Page 4 - 6 ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 2375 Cabot Drive ٠ Lisle, IL 60532 ٠ U.S.A. ٠ ٠ ٠ ٠ ٠ ٠ www.ctscorp.com ٠ Toll Free 800-757-6686 ٠ ٠ ٠ Rev. C 1180026-XXX 20.000 MHz 1x1 OCXO Stratum 3E Figure 3 Figure 4 CTS 1180026-XXX 20.000 MHz S/N XXXXX YYWW Made in China CTS 1180026-XXX 20.000 MHz S/N XXXXX YYWW Made in China TEST # 1180026 Data Sheet Page 5 - 6 ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 2375 Cabot Drive ٠ Lisle, IL 60532 ٠ U.S.A. ٠ ٠ ٠ ٠ ٠ ٠ www.ctscorp.com ٠ Toll Free 800-757-6686 ٠ ٠ ٠ Rev. C