XRT79L71 Overview
Key Specifications
Package: BGA
Mount Type: Surface Mount
Pins: 208
Operating Voltage: 3.3 V
Description
The XRT79L71 is a single channel, ATM UNI/PPP Physical Layer Processor with integrated DS3/E3 framing controller and Line Interface Unit with Jitter Attenuator that is designed to support ATM direct mapping and cell delineation as well as PPP mapping and Frame processing. For ATM UNI applications, this device provides the ATM Physical Layer (Physical Medium Dependent and Transmission Convergence sub-layers) interface for the public and private networks at DS3/E3 rates.
Key Features
- On chip Clock and Data Recovery circuit for high input jitter tolerance
- Meets E3/DS3 Jitter Tolerance Requirements
- Detects and Clears LOS as per G.775
- Receiver Monitor mode handles up to 20 dB flat loss with 6 dB cable attenuation
- Compliant with jitter transfer template outlined in ITU G.751, G.752, G.755 and GR-499-CORE,1995 standards
- Meets ETSI TBR 24 and GR-499 Jitter Transfer Requirements
- On chip B3ZS/HDB3 encoder and decoder that can be either enabled or disabled
- On-chip clock synthesizer provides the appropriate rate clock from a single 12.288 MHz Clock
- Integrated T3/E3 Line Interface Unit
- Integrated Jitter Attenuator that can be selected either in Receive or Transmit path
