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XRT75L02IV from XR

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XRT75L02IV

Manufacturer: XR, EXAR

TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER

Partnumber Manufacturer Quantity Availability
XRT75L02IV XR, EXAR 233 In Stock

Description and Introduction

TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER The XRT75L02IV is a T1/E1/J1 Line Interface Unit (LIU) manufactured by EXAR Corporation. Below are the factual details about the device:

### **Specifications:**
- **Manufacturer:** EXAR Corporation  
- **Type:** T1/E1/J1 Line Interface Unit (LIU)  
- **Package:** 64-pin LQFP (Low-Profile Quad Flat Package)  
- **Operating Voltage:** 3.3V  
- **Operating Temperature Range:** -40°C to +85°C (Industrial Grade)  
- **Data Rate Support:**  
  - T1 (1.544 Mbps)  
  - E1 (2.048 Mbps)  
  - J1 (Japanese T1 variant)  
- **Compliance:** Meets ITU-T G.703, G.704, G.706, G.732, G.823, and ANSI T1.403 standards  
- **Features:**  
  - Integrated jitter attenuator  
  - Supports both short-haul and long-haul applications  
  - On-chip termination resistors  
  - Programmable line impedance (100Ω for E1, 100Ω/120Ω for T1)  
  - Loopback modes (local, remote, and analog)  
  - Loss-of-signal (LOS) detection  
  - Alarm monitoring (RAI, AIS, and LOS)  
  - Low power consumption  

### **Descriptions and Features:**
- The XRT75L02IV is a highly integrated LIU designed for T1/E1/J1 telecommunications applications.  
- It provides a complete physical layer solution with built-in line termination, clock recovery, and jitter attenuation.  
- The device supports both transmit and receive functions with flexible configuration options.  
- It includes diagnostic features such as loopback testing and alarm detection for network troubleshooting.  
- Suitable for use in routers, PBX systems, access concentrators, and other telecom equipment.  

These details are based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER

Alternative Part Number

  • DS3150TN --: Single-channel T1/E1/J1 line interface unit in the same function class as the XRT75L02, with comparable jitter attenuation and framing support.
  • PM4351-RI --: T1/E1 transceiver offering similar line interface and framing capabilities, suitable as a functional replacement in telecom designs.
  • IDT82V2081 --: Single-channel T1/E1/J1 LIU with integrated jitter attenuator, pin-function compatible for many XRT75L02 applications.
  • DS2154L --: E1 line interface transceiver offering comparable framing and line-driver functions for telecom applications.

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