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XRT83L34IV from EXAR

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XRT83L34IV

Manufacturer: EXAR, XR

QUAD T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR

Partnumber Manufacturer Quantity Availability
XRT83L34IV EXAR, XR 116 In Stock

Description and Introduction

QUAD T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR The **XRT83L34IV** is a quad T1/E1/J1 short-haul line interface unit (LIU) manufactured by **EXAR Corporation**.  

### **Key Specifications:**  
- **Type:** Quad T1/E1/J1 Short-Haul Line Interface Unit (LIU)  
- **Supply Voltage:** 3.3V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 100-pin TQFP (Thin Quad Flat Package)  
- **Compliance:** Meets ITU-T G.703, G.736, G.775, and ANSI T1.102, T1.403 standards  

### **Descriptions & Features:**  
- Supports **T1 (1.544 Mbps), E1 (2.048 Mbps), and J1** line rates  
- **Integrated line termination resistors** (100Ω for E1, 100Ω/120Ω for T1/J1)  
- **Software/hardware selectable** T1 or E1 mode per channel  
- **On-chip jitter attenuators** with selectable bandwidths  
- **Transmit and receive pulse shaping** for compliance with industry standards  
- **Programmable output pulse amplitude** (3 levels for T1, 2 levels for E1)  
- **Loss-of-signal (LOS) detection** with programmable thresholds  
- **Short-circuit and overload protection** on transmitter outputs  
- **Loopback modes** (local, remote, and digital) for diagnostics  
- **Low-power operation** with power-down modes  

This device is designed for telecom and networking applications requiring robust line interface functionality.

Application Scenarios & Design Considerations

QUAD 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 the same function class as the XRT83L34 quad LIU; pin-compatible family with proven telecom interoperability.
  • IDT82V2084 --: Quad-channel T1/E1/J1 line interface unit offering comparable channel count and feature set, suitable as a direct functional replacement.
  • PM4354 --: Multi-channel T1/E1 transceiver/LIU with similar telecom framing and line interface capabilities, widely used as an alternative to Exar LIU devices.

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