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XRT73LC04AIV from XR

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XRT73LC04AIV

Manufacturer: XR, EXAR

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

Partnumber Manufacturer Quantity Availability
XRT73LC04AIV XR, EXAR 173 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**. Below are the specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** EXAR Corporation  
- **Type:** Quad T1/E1/J1 Line Interface Unit (LIU)  
- **Package:** 100-pin TQFP (Thin Quad Flat Package)  
- **Operating Temperature Range:** Industrial (-40°C to +85°C)  
- **Supply Voltage:** 3.3V  
- **Data Rate:** Supports T1 (1.544 Mbps), E1 (2.048 Mbps), and J1 (1.544 Mbps)  

### **Descriptions:**  
- The **XRT73LC04AIV** is a highly integrated quad LIU designed for T1/E1/J1 applications.  
- It provides full transmit and receive functionality for four independent T1/E1/J1 lines.  
- The device includes built-in jitter attenuators, line build-out (LBO) control, and diagnostic features.  
- It is compliant with ITU-T G.703, G.704, G.706, and ANSI T1.403 standards.  

### **Features:**  
- **Four Independent Channels:** Each channel supports T1, E1, or J1 operation.  
- **Integrated Jitter Attenuators:** Helps reduce timing jitter on received data.  
- **Programmable Line Build-Out (LBO):** Adjustable for different line lengths.  
- **Diagnostic Capabilities:** Includes loopback modes (local, remote, and analog).  
- **Loss of Signal (LOS) Detection:** Monitors signal integrity.  
- **3.3V Single Supply Operation:** Low power consumption.  
- **Industrial Temperature Range:** Suitable for harsh environments.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • DS3150TN --: Single-channel T1/E1/J1 line interface unit in the same function class as the XRT73LC04AIV, widely available and pin-compatible in many designs.
  • PM4351-RI --: Quad T1/E1 transceiver offering comparable multi-channel line interface functionality with a different naming series for easy distinction.
  • IDT82V2044E --: Four-channel T1/E1 line interface unit with similar feature set and a clearly different part numbering scheme.
  • XRT73L04AIV --: Exar/MaxLinear's own successor LIU family covering the same quad T1/E1 line interface role with compatible pinout and specifications.
  • IDT82V2044EPFG --: Quad-channel T1/E1 line interface unit offering equivalent functionality and a proven alternative for telecom line-card designs.

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