XRT72L71 Datasheet (Exar Corporation) - DS3 ATM UNI/CLEAR CHANNEL FRAMER

XRT72L71, DS3 ATM UNI/CLEAR CHANNEL FRAMER

The XRT72L71 DS3 ATM User Network Interface (UNI)/Clear-Channel Framer is designed to function as either a DS3 ATM UNI or Clear channel framer.

For ATM UNI applications, this device provides the ATM Physical Layer (Physical Medium Dependent and Transmission Convergence sub-layers) interface for both

XRT72L71 Features

* Compliant with UTOPIA Level 1 and 2 with 8 or 16 Bit Interface Specification and supports UTOPIA Bus speeds of up to 50 MHz

* Contains on-chip 16 cell FIFO in both the Transmit (TxFIFO) and Receive Directions (RxFIFO)

* Contains on-chip 54 byte Transmit OAM Cell buffer and