CF5034

CF5034 series 350MHz PECL-output Oscillator ICs OVERVIEW The CF5034 series are differential LVPECL output oscillator ICs. They are made using a BiCMOS process which allows high-frequency oscillator circuits and differential LVPECL output circuits to be fabricated on a single chip. Two oscillator modes are supported—350MHz maximum fundamental oscillation mode, and www.DataSheet4U.com 80MHz to 160MHz 3rd overtone oscillation mode. The CF5034 series devices require only the connection of a crystal to realize a differential LVPECL output oscillator circuit. FEATURES I I I I 3.3 ± 0.3V operating supply voltage Oscillator frequency range 80MHz to 350MHz fundamental oscillation mode 80MHz to 160MHz 3rd overtone oscillation mode 40MHz to 350MHz output frequency range Differential LVPECL output I I I I I fO (oscillator frequency) or fO/2 output frequency, determined by internal connection 50 ± 5% output duty (measured at output crossing point) Standby function: outputs are high impedance when OE is LOW. Power-saving pull-up resistor built-in (pin OE) Chip form (CF5034××) SERIES LINEUP Version CF5034AA 250 to 350 CF5034AB Fundamental CF5034BA 160 to 250 CF5034BB CF5034DA – CF5034DB CF5034LA 125 to 160 CF5034LB CF5034MA CF5034MB Fundamental or 3rd overtone 80 to 125 80 to 350 (external capacitors required) Oscillation mode Recommended oscillator frequency [MHz]1 Output frequency fO fO/2 fO fO/2 fO fO/2 fO fO/2 fO fO/2 1. The recommended oscillator frequency criteria is ba...