The XRT94L33IBCDC is a Quad T1/E1/J1 Long Haul Transceiver produced by Exar Corporation. Designed for applications requiring a high density of T1/E1/J1 interfaces, this device integrates four independent transceivers into a single chip. This integration reduces board space requirements and lowers overall system cost compared to discrete component solutions.

Applications:

• T1/E1/J1 Line Cards
• Digital Cross-Connect Systems (DCS)
• Private Branch Exchange (PBX) Systems
• Voice over IP (VoIP) Gateways
• Channel Service Units/Data Service Units (CSU/DSU)
• Wireless Base Stations
• Network Interface Equipment

Features:

• Quad (4-Channel) T1/E1/J1 Transceiver
• Long Haul Line Interface
• Integrated Pulse Shaping and Line Build-Out
• Jitter Attenuation
• Clock Recovery
• Individual Channel Loopback Testing
• Comprehensive Diagnostic Features
• Low Power Consumption

Benefits:

• Reduced Board Space: The integration of four transceivers into one package minimizes the required board space.
• Lower System Cost: Using a single chip reduces the bill of materials and overall system cost.
• Improved Signal Quality: The long-haul line interface provides reliable data transmission over extended distances.
• Simplified Design: Integrated pulse shaping, line build-out, and clock recovery features simplify the design process.
• Enhanced Performance: Jitter attenuation and accurate clock recovery enhance signal quality and data reliability.
• Easy Troubleshooting: Individual channel loopback testing facilitates efficient system diagnostics and troubleshooting.
• Efficient Power Usage: Low power consumption is critical for high-density applications, leading to lower operational costs.

Additional Details:

The XRT94L33IBCDC supports T1 (1.544 Mbps), E1 (2.048 Mbps), and J1 data rates. It incorporates pulse shaping and line build-out to optimize signal transmission across different cable types and distances. Jitter attenuation is implemented to minimize jitter accumulation, ensuring clean signal transmission. The clock recovery function provides precise data sampling and reliable performance. Each channel has individual loopback testing capabilities for convenient system diagnostics. It is typically powered by a 3.3V supply. The transceiver provides comprehensive diagnostic features for monitoring and maintaining system performance. The package is designed for efficient thermal management in high-density environments.