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XRT75L03DIV from XR

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XRT75L03DIV

Manufacturer: XR, XRT, EXAR

THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER

Partnumber Manufacturer Quantity Availability
XRT75L03DIV XR, XRT, EXAR 285 In Stock

Description and Introduction

THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER The XRT75L03DIV is a T1/E1/J1 Line Interface Unit (LIU) manufactured by EXAR Corporation. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** EXAR  
- **Part Number:** XRT75L03DIV  
- **Type:** T1/E1/J1 Line Interface Unit (LIU)  
- **Interface Standards:** Compliant with ITU-T G.703, G.704, G.706, G.732, G.823, ANSI T1.102, T1.403, T1.408, AT&T TR 62411  
- **Supply Voltage:** 3.3V  
- **Power Consumption:** Low power operation  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 48-pin TQFP (Thin Quad Flat Package)  

### **Descriptions:**  
- The XRT75L03DIV is a fully integrated LIU designed for T1, E1, and J1 applications.  
- It provides a complete physical layer solution for short-haul and long-haul transmission systems.  
- Includes built-in jitter attenuators, line drivers, and receivers.  
- Supports both transmit and receive functions with programmable features.  

### **Features:**  
- **Integrated LIU Functions:**  
  - Line driver and receiver  
  - Jitter attenuator (selectable for Tx or Rx path)  
  - Loss of Signal (LOS) detection  
  - Short-circuit protection  
- **Programmable Options:**  
  - Selectable T1/E1/J1 modes  
  - Adjustable transmit pulse shape  
  - Configurable impedance (100Ω for E1, 100Ω/110Ω for T1/J1)  
- **Diagnostic Capabilities:**  
  - Loopback modes (local, remote, analog)  
  - BERT (Bit Error Rate Test) support  
- **Clock Management:**  
  - Supports multiple clock recovery and synthesis options  
  - On-chip PLL for jitter reduction  

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

Application Scenarios & Design Considerations

THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER

Alternative Part Number

  • DS3150TN --: Single-channel T3/E3/STS-1 line interface unit with similar functionality and pin-compatible architecture, widely available as a drop-in alternative.
  • PM4351-RI --: T3/E3/STS-1 transceiver offering comparable line interface and framing features, suitable for telecom applications requiring the XRT75L03 function.
  • 82V2048BBG --: T3/E3 line interface unit with similar jitter attenuation and clock recovery capabilities, usable as a functional replacement in telecom designs.
  • 82V2081TF --: Single-channel T1/E1/J1/T3/E3 line interface unit with similar pin and functional compatibility for telecom line card applications.

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