The XRT83VSH314IB-SAM is a T1/E1/J1 line interface unit (LIU) transceiver from Exar Corporation. It is designed to transmit and receive data over T1, E1, and J1 telecommunications lines. This device integrates clock recovery, data retiming, and line driver functions into a single chip, simplifying system design and reducing board space.

Applications:

• Digital PBX systems
• Channel Service Units/Data Service Units (CSU/DSU)
• Routers and Gateways
• Wireless base stations
• Voice over IP (VoIP) equipment

Features:

• Supports T1 (1.544 Mbps), E1 (2.048 Mbps), and J1 line rates
• Integrated clock recovery and data retiming
• Line driver with programmable pulse shaping
• Jitter attenuation
• Hitless monitoring
• Built-in BERT (Bit Error Rate Tester)
• Low power consumption
• Short haul and long haul line interface options
• Serial microprocessor interface for control and status monitoring
• Loopback testing capabilities
• Surface mount packaging

Benefits:

• Simplified system design reduces time to market
• Reduced board space due to high integration
• Improved signal integrity through jitter attenuation and clock recovery
• Enhanced system reliability with built-in diagnostic capabilities
• Lower power consumption extends battery life in portable applications
• Flexible configuration through serial microprocessor interface

Additional Details:

The XRT83VSH314IB-SAM operates from a single 3.3V power supply. It features programmable transmit pulse shaping, allowing optimization for different cable types and lengths. The device includes comprehensive loopback testing capabilities for system diagnostics. The integrated BERT simplifies system testing and fault isolation. This LIU is designed for robust performance in demanding telecommunications applications. Its small form factor makes it suitable for high-density applications where board space is limited.