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XRT73LC04AIV. from EXAR

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XRT73LC04AIV.

Manufacturer: EXAR

4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT

Partnumber Manufacturer Quantity Availability
XRT73LC04AIV.,XRT73LC04AIV EXAR 29 In Stock

Description and Introduction

4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT The **XRT73LC04AIV** is a quad T1/E1/J1 Line Interface Unit (LIU) manufactured by **EXAR Corporation**.  

### **Key Specifications:**  
- **Interface Standards:** Supports T1 (1.544 Mbps), E1 (2.048 Mbps), and J1 line rates.  
- **Number of Channels:** 4 independent LIU channels.  
- **Supply Voltage:** 3.3V ±10%.  
- **Power Consumption:** Low power operation, typically 300mW per channel.  
- **Package:** 100-pin TQFP (Thin Quad Flat Package).  
- **Operating Temperature Range:** -40°C to +85°C (Industrial Grade).  
- **Compliance:** Meets ITU-T G.703, G.823, G.824, and ANSI T1.403 standards.  

### **Descriptions and Features:**  
- **Integrated Functions:** Includes clock recovery, jitter attenuation, and line build-out (LBO) for each channel.  
- **Line Interface:** Supports both transmit and receive functions with programmable impedance (75Ω or 100Ω for E1, 100Ω for T1/J1).  
- **Diagnostics:** Provides loopback modes (local, remote, and analog) for testing.  
- **Framing Support:** Compatible with both framed and unframed T1/E1 signals.  
- **Jitter Performance:** Low jitter generation and tolerance for reliable data transmission.  
- **Control Interface:** Serial microprocessor interface for configuration and monitoring.  
- **Protection:** Built-in short-circuit and thermal protection.  

This IC is commonly used in telecommunications equipment, including routers, multiplexers, and access concentrators.

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