DP83231 Datasheet | National Semiconductor

.. DP83231 CRD Device (FDDI Clock Recovery Device) February 1991 DP83231 CRD TM Device (FDDI Clock Recovery Device) General Description The DP83231 CRD device is a clock recovery device that has been designed for use in 100 Mbps FDDI (Fiber Distributed Data Interface) networks The device receives serial data from a Fiber Optic Receiver in differential ECL NRZI 4B 5B group code format and outputs resynchronized NRZI received data and a 125 MHz received clock in differential ECL format for use by the DP83251 55 PLAYERTM device Features Clock recovery at 100 Mbps data rate Internal 250 MHz VCO 0 1% VCO operating range Crystal controlled Precision window...