IDT (Integrated Device Technology) 8A34044 4-Ch Universal Frequency Translators
IDT 8A34044 4-Ch Universal Frequency Translators offer two Digital PLL (DPLL) channels and six Digitally Controlled Oscillator (DCO) channels. The DPLLs are able to lock to external references or operate in free run and can be configured as DCOs, which have the possibility to be synchronized by any of the DPLLs. The DCOs then alternatively are available to be controlled by an external algorithm for Optical Transport Network (OTN) applications. The 8A34044 can be used to synchronize communication ports, online cards, or daughter cards that are connected with synchronization sources across backplanes or other media.
Features
Two independent Digital PLLs (DPLLs)Six independent Digitally Controlled Oscillators (DCOs)Jitter output below 150fs RMS (typical)DPLLs lock to any frequency from 1kHz to 1GHzDPLLs / DCOs generate any frequency from 0.5Hz to 1GHzDCO outputs can be aligned in phase and frequency with the outputs of any DPLL or DCOSupports up to 2 differential or 4 single-ended reference clock inputsDevice requires a crystal oscillator or fundamental-mode crystal: 25MHz to 54MHzSupports up to 12 differential outputs or 24 LVCMOS outputsReference monitors qualify/disqualify references depending on LOS, activity, frequency monitoring and/or LOS input pins
Applications
Core and access IP Switches/RoutersSynchronous Ethernet equipment10Gb, 40Gb, and 100Gb Ethernet interfaces
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