The XRT65119CP is an 8-channel T1/E1/J1 line interface unit (LIU) transceiver from Exar Corporation. This component provides a physical layer interface between networking hardware and T1, E1, and J1 lines. It integrates all the functions needed for transmitting and receiving data based on these telecommunications standards, simplifying circuit board design and reducing the number of components.

Applications

• Digital Cross-Connect Systems (DCS)
• PBX Systems
• Channel Banks
• Wireless Base Stations
• Voice over IP (VoIP) Gateways
• Data Routers and Switches
• Test Equipment

Features

• Eight Independent T1/E1/J1 Transceivers
• Integrated Clock and Data Recovery (CDR)
• Line Build-Out (LBO) for various cable lengths
• Jitter Attenuation
• Pulse Shaping
• On-chip Diagnostics and Loopback Testing
• Serial or Parallel Host Interface
• Low Power Consumption
• Small Footprint Package

Benefits

• Reduced board space requirements due to high integration
• Simplified system design and lower development costs
• Improved signal integrity through integrated CDR and pulse shaping
• Enhanced network performance with jitter attenuation
• Increased system reliability with on-chip diagnostics
• Lower power consumption for energy-efficient designs
• Flexible host interface options for easy integration with various processors and controllers

The XRT65119CP supports both short and long distance data transmission through a programmable line build-out feature. It's designed to meet telecommunications standards, ensuring reliable data transmission. The integrated clock and data recovery circuit reduces the need for external parts, further simplifying design. Diagnostic capabilities, including loopback testing, allow easier troubleshooting and maintenance. Its compact size and low power consumption make it suitable for a range of uses, from high-density systems to portable devices.

The device meets industry standards such as ANSI T1.102, ITU-T G.703, and ITU-T G.704. Its ability to process T1, E1, and J1 signals provides a solution for worldwide telecommunications networks. A serial or parallel host interface allows flexible integration with different processors and controllers, facilitating use in existing systems. The robust design and features of the XRT65119CP make it suitable for telecommunications applications.