The XRT94L33IBCHC is a Quad T1/E1/J1 Long Haul Transceiver manufactured by Exar Corporation, offering a compact and cost-effective solution for high-density telecommunications applications. This device integrates four independent T1/E1/J1 transceivers into a single integrated circuit, which significantly reduces board space and component count compared to using discrete components.

Applications:

• High-Density T1/E1/J1 Line Cards
• Digital Cross-Connect Systems (DCS)
• Central Office Switches
• Voice over IP (VoIP) Gateways
• Channel Service Units/Data Service Units (CSU/DSU)
• Wireless Base Stations
• Multi-Service Access Nodes (MSANs)

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:

• Space Efficiency: Integration of four transceivers into a single chip allows for significant space savings on the circuit board.
• Cost Reduction: Lower component count leads to reduced bill of materials and overall system cost.
• Signal Integrity: The long-haul line interface ensures robust and reliable data transmission over extended distances.
• Design Simplicity: The integrated pulse shaping, line build-out, and clock recovery functions simplify the design process.
• Enhanced Performance: Jitter attenuation and accurate clock recovery enhance signal quality and data reliability.
• Simplified Diagnostics: Individual channel loopback testing enables efficient troubleshooting and system diagnostics.
• Reduced Power Consumption: Low power consumption is essential for high-density applications and reduces operational expenses.

Additional Details:

The XRT94L33IBCHC supports T1 (1.544 Mbps), E1 (2.048 Mbps), and J1 data rates. It incorporates integrated pulse shaping and line build-out, crucial for optimizing signal transmission over various cable types and lengths. The integrated jitter attenuation circuitry helps to minimize jitter accumulation, and the clock recovery function ensures accurate data sampling. Each channel features independent loopback testing for ease of diagnostics. It typically operates from a 3.3V power supply. Comprehensive diagnostic features are available to monitor system performance. The package is designed to provide efficient thermal dissipation in high-density environments. The device is a reliable and efficient solution for demanding telecommunications applications.