K1149CQA

www.DataSheet4U.com K1149CQA Series 5V Crystal Oscillators ! Applications: Optic Transmission Equipment; Digital Cross Connect Equipment, WDM, DWDM and SONET Backbone Equipment Very Low Phase Noise Characteristics Uses Champion’s Proprietary I-Mesa Crystal Technology PECL Output 0ºC to 70ºC Operating Temperature 45/55% Symmetry Standard Complementary Output Standard ! ! ! ! ! ! E L E C T R I C A L S P E C I F I C AT I O N S Model Frequency Range (MHz) Input Current (mA) Frequency Stability (ppm) Overall 0oC to +70oC Temperature Range (oC) Operating Storage Supply Voltage (V) Symmetry (%) Jitter (fj > 1KHz) Start Up Time (ms) 0oC to +70oC -40oC to +85oC +5.0V ±5% 45/55 (Refer to Page 2) < 1ps <10 K1149CQA 139.264MHz, 155.520MHz < 50 Inclusive of Calibration, Temperature, Voltage, Load and Aging ±20 PA R T N U M B E R I N G G U I D E K1149CQA - Specify Frequency 2553 N. Edgington Street, Franklin Park, IL 60131 " Phone: 847.451.1000 " Fax: 847.451.7585 800-888-1499 or www.champtech.com 1 K1149CQA Series 5V Crystal Oscillators Notes: 1. Internally there are 5Ω resistors in Series with each output 2. PECL: Output pulldown resistors of 50Ω to VTT = 3.0V Output Specifications Parameter Ground Reference Power Supply “0” Level “1” Level Rise Time Fall Time Overlap Symmetry Symbol VSS VCC VOL VOH TR TF TOL S Units Volts Volts Volts Volts ps ps ps % Test Condition Reference Reference 50Ω into VCC-2 50Ω into VCC-2 PECL Min. Typ. 0 4.75 VCC-1.95 VCC-1.1 5.0 5.25 VCC-1.55 VCC-0...