• Part: XRT72L56
  • Description: SIX CHANNEL DS3/E3 FRAMER IC
  • Manufacturer: Exar
  • Size: 5.58 MB
XRT72L56 Datasheet (PDF) Download
Exar
XRT72L56

Description

The XRT72L56, 6 Channel DS3/E3 Framer is designed to accept “User Data” from the Terminal Equipment and insert this data into the “payload” bitfields within an “outbound” DS3/E3 Data Stream. The XRT72L56 DS3/E3 Framer support full-duplex data flow between Terminal Equipment and an LIU (Line Interface Unit).

Key Features

  • Transmits, Receives and Processes data in the DS3-C-bit Parity, DS3-M13, E3-ITU-T G.751 and E3-ITU-T G.832 Framing Formats
  • Per Channel High Speed HDLC Controllers
  • Interfaces to all Popular Microprocessors
  • Extensive Performance Monitoring support
  • Available in a 388 Ball PBGA package
  • 3.3V Power Supply with 5V Tolerant I/O
  • Operating Temperature -40°C to +85°C APPLICATIONS
  • Digital Cross Connects
  • CSU/DSU Equipment
  • ADD/Drop Multiplexers