TX7-503C-ST3 STRATUM III SMD TCXO CMOS Features Applications: transmission, TDM networks, SDH, SONET, wireless communications, IEEE 1588v2, SyncE, STRATUM III, wireless backhaul, metro carrier Ethernet, femtocells, picocells Holdover stability: 0.37 ppm over 24 h Overall stability: 4.60 ppm including 15 years aging Output signal: CMOS Parameter Specification Frequency range Standard frequencies Frequency stability: vs. temperature vs. aging Holdover stability 10.000 ~ 26.000 MHz 19.44, 20.00, 25.00 & 26.00 MHz 4.60 ppm overall stability including 15 years aging 0.28 ppm -40 ~ +85 °C 3.0 ppm 15 years ±0.37 ppm over 24 h including supply change of ±5 % and aging 0.50 ppm @ +25 °C +3.3 V or +5.0 V 5 % < 6 mA CMOS 15 pF 5 % pin #1 high or open pin #3 oscillation pin #1 low pin #3 high impedance -145 dBc/Hz @ 10 kHz Frequency tolerance ex. factory Supply voltage Supply current Output signal Output load Tri-state function Phase noise @ 20.0 MHz carrier frequency Operating temperature range Storage temperature range Packaging units -20 ~ +70 °C -40 ~ +85 °C -55 ~ +125 °C tape & reel tape only commercial application industrial application 500 or 1’000 pieces < 500 pieces Customer specifications on request Pin function #1 #2 #3 #4 Example for solder pattern Tri-state or not connected GND Output Vdc Do not design any conductive path between the pattern Example for IR reflow soldering temperature 2002/95/EC RoHS compliant QuartzCom AG [email protected] www.quartzcom.com QuartzCom Asia [email protected] QuartzCom USA [email protected] 01 Nov. 10