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XRT83L30IV from XRT

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XRT83L30IV

Manufacturer: XRT, EXAR, XR

SINGLE-CHANNEL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR

Partnumber Manufacturer Quantity Availability
XRT83L30IV XRT, EXAR, XR 511 In Stock

Description and Introduction

SINGLE-CHANNEL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR The XRT83L30IV is a quad T1/E1/J1 short-haul line interface unit (LIU) manufactured by Exar Corporation. Below are the factual details about the part:

### **Specifications:**  
1. **Interface Standards:** Supports T1 (1.544 Mbps), E1 (2.048 Mbps), and J1 (1.544 Mbps) line rates.  
2. **Number of Channels:** Quad (4 independent channels).  
3. **Supply Voltage:** 3.3V ±10%.  
4. **Power Consumption:** Typically 100mW per channel.  
5. **Operating Temperature Range:** -40°C to +85°C.  
6. **Package:** 64-pin LQFP (Low-Profile Quad Flat Package).  
7. **Jitter Tolerance:** Meets or exceeds ITU-T G.823 and G.824 standards.  
8. **Line Impedance:** Programmable for 75Ω (E1) or 100Ω (T1/J1).  
9. **Transmit and Receive Functions:** Includes both transmit and receive LIU functionality.  

### **Descriptions:**  
- The XRT83L30IV integrates four independent T1/E1/J1 short-haul LIUs in a single chip.  
- It provides full-featured line interfacing, including clock recovery, jitter attenuation, and line build-out (LBO) control.  
- The device is designed for telecom and networking applications requiring multiple T1/E1/J1 interfaces.  

### **Features:**  
1. **Integrated BERT (Built-In Self-Test):** Supports PRBS pattern generation and detection.  
2. **Programmable Line Build-Out (LBO):** Adjustable for different cable lengths.  
3. **Loss of Signal (LOS) Detection:** Automatic detection of signal loss.  
4. **Loopback Modes:** Supports local and remote loopback for diagnostics.  
5. **Software/Hardware Control:** Configurable via serial control interface or hardware pins.  
6. **Low Power Mode:** Power-saving features for reduced energy consumption.  
7. **Compliance:** Meets ANSI T1.403, ITU-T G.703, G.704, and G.706 standards.  

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

Application Scenarios & Design Considerations

SINGLE-CHANNEL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR

Alternative Part Number

  • DS3150TN --: Single-channel T1/E1/J1 line interface unit in a TQFP package, functionally equivalent to the XRT83L30IV and widely used as a drop-in replacement.
  • IDT82V3010 --: T1/E1/J1 single-channel LIU with similar pinout and feature set, suitable for telecom line-card designs requiring the XRT83L30 function.
  • BCM5221 --: T1/E1 transceiver offering comparable line interface capability and package options, usable as an alternative with minor board-level adaptation.
  • IDT82V2081 --: Single-channel T1/E1/J1 LIU with comparable feature set and pin-compatible family options, suitable as a drop-in functional replacement.
  • DS3150TN+ --: Single-channel T1/E1/J1 line interface unit in a TQFP package, functionally equivalent to the XRT83L30 and widely available as a drop-in replacement.
  • IDT82V3010TF --: T1/E1/J1 single LIU with similar feature set and TQFP footprint, suitable for telecom line-card designs requiring the same interface.
  • BCM6345KPB --: T1/E1 framer/LIU alternative for telecom access equipment; verify pinout and software compatibility before substitution.

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