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XRT83SH38IB from XR

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XRT83SH38IB

Manufacturer: XR, XRT

8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT

Partnumber Manufacturer Quantity Availability
XRT83SH38IB XR, XRT 435 In Stock

Description and Introduction

8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT The XRT83SH38IB is a part manufactured by Exar Corporation (XR). Below are the specifications, descriptions, and features based on the available knowledge:

### **Specifications:**
- **Part Number:** XRT83SH38IB  
- **Manufacturer:** Exar (XR)  
- **Type:** T1/E1/J1 Short-Haul Line Interface Unit (LIU)  
- **Package:** 32-pin TQFP (Thin Quad Flat Package)  
- **Operating Voltage:** 3.3V  
- **Temperature Range:** Industrial (-40°C to +85°C)  
- **Data Rate:** Supports T1 (1.544 Mbps), E1 (2.048 Mbps), and J1 standards  
- **Interface:** Serial or parallel microprocessor interface  

### **Descriptions:**
The XRT83SH38IB is a highly integrated LIU designed for short-haul T1/E1/J1 applications. It provides line interfacing, clock recovery, and jitter attenuation. It is commonly used in telecommunications equipment such as routers, multiplexers, and access concentrators.

### **Features:**
- **Integrated LIU Functions:** Includes line termination, clock recovery, and jitter attenuation.  
- **Selectable Termination Impedance:** Supports 100Ω (E1) and 100Ω/110Ω (T1/J1).  
- **Loopback Modes:** Supports local, remote, and digital loopback for diagnostics.  
- **Loss of Signal (LOS) Detection:** Automatic detection of signal loss.  
- **Programmable Output Drivers:** Adjustable line build-out (LBO) for different cable lengths.  
- **Low Power Consumption:** Optimized for power-sensitive applications.  
- **Compliance:** Meets ITU-T G.703, G.736, G.775, and ANSI T1.403 standards.  

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

Application Scenarios & Design Considerations

8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT

Alternative Part Number

  • DS3150TN --: Single-channel T1/E1/J1 line transceiver with similar LIU functionality and pin-compatible system interface, widely used as a drop-in alternative for octal LIU applications.
  • BCM5221 --: Octal T1/E1 line interface unit offering comparable channel density and framing support, suitable for telecom line card designs needing multiple LIU channels.
  • IDT82V2088 --: Octal T1/E1/J1 line interface unit with integrated framer support and similar feature set, commonly cross-referenced for multi-channel telecom LIU designs.
  • PM4351-RI --: T1/E1 transceiver/line interface device offering equivalent framing and line interface functions for telecom applications.

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