DP83231 Datasheet - National Semiconductor

DP83231 CRD Device

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.

DP83231 Features

* Y Y Y Y Y Y Clock recovery at 100 Mbps data rate Internal 250 MHz VCO 0 1% VCO operating range Crystal controlled Precision window centering delay line Single a 5V supply 28-pin PLCC package BiCMOS processing TL F 10384

* 1 FIGURE 1-1 FDDI Chip Set Block Diagram TRI-STATE is a registere

DP83231_NationalSemiconductor.pdf