7311Q-622M644M-NSA3342A

Crystal Oscillator Model Name 7311Q n Main Application For SONET-, SDH-, and GbEthernet-related equipment Dual-Rate Voltage-Controlled Crystal Oscillator (DUAL RATE-VCXO®) 7300 Series n Features l Frequencies can be selected according to the external input used. l A surface-mount crystal oscillator. n Specifications Item Model Classification 7311Q NTVC1 622.08/644.5313, 622.08/666.5143, 622.08/669.3266 +3.3V DC±5% 50Ω −10 to +70°C 100mA max PECL level (Complementary) 40 to 60% ±50×10−6 max ±100×10−6 min / +1.65±1.5V Positive Standard nominal frequency (MHz) Power supply voltage Load Operating temperature range Consumption current Output level Duty cycle Comprehensive frequency stability Frequency control characteristic Control polarity n Dimensions mm Hollow 0.15±0.1 n List of Ordering Codes Frequency (MHz) f1: 622.08 PAD No. #1 11.6±0.2 9.6±0.5 #2 #3 #4 #5 #6 Ordering Code 7311Q-622M644M-NSA3342A 7311Q-622M666M-NSA3342B 7311Q-622M669M-NSA3342C Connection V.C CONT. GND OUTPUT OUTPUT +DC f2: 644.5313 f1: 622.08 f2: 666.5143 f1: 622.08 f2: 669.3266 17.0±0.5 The above frequencies are NDK’ s standard frequencies. Frequencies other than the above are available. Feel free to contact our sales representatives. 3.9±0.2 Reference land pattern 2.54 2.54 3.0 2.9 2.9 3.0 #1 #2 #3 7.0±0.5 Function Table CONT.(#2) L H OUTPUT(#4,#5) FEC Rate 622.08MHz 0.8±0.1 2.54±0.2 #6 #5 #4 2.54±0.2 1.27 * High Level : 2.0V min Low Level : 0.8V max co28_071108_7311Q_e1