E3/DS3/STS-1 LINE INTERFACE UNIT The XRT73LC00AIV is a T1/E1/J1 Single Chip Transceiver manufactured by EXAR Corporation. Below are the specifications, descriptions, and features based on the available knowledge:
### **Specifications:**
- **Manufacturer:** EXAR Corporation
- **Part Number:** XRT73LC00AIV
- **Type:** T1/E1/J1 Single Chip Transceiver
- **Interface:** Supports T1 (1.544 Mbps), E1 (2.048 Mbps), and J1 (Japanese standard)
- **Package:** 100-pin TQFP (Thin Quad Flat Package)
- **Operating Voltage:** 3.3V
- **Operating Temperature Range:** Industrial (-40°C to +85°C)
- **Compliance:** Meets ITU-T G.703, G.704, G.706, G.732, G.823, and ANSI T1.102, T1.403
### **Descriptions:**
The XRT73LC00AIV is a highly integrated transceiver designed for T1, E1, and J1 applications. It combines both line interface and framer functions into a single chip, reducing external component count. It supports both short-haul and long-haul applications with built-in jitter attenuation and clock recovery.
### **Features:**
- **Integrated Line Interface Unit (LIU):** Supports both transmit and receive functions.
- **Framer Functionality:** Includes full HDLC controller for data handling.
- **Jitter Attenuation:** On-chip jitter attenuator for improved signal integrity.
- **Clock Recovery:** Built-in digital phase-locked loop (DPLL) for clock synchronization.
- **Diagnostic Features:** Loopback modes (local, remote, and payload) for testing.
- **Programmable Options:** Adjustable pulse shapes, impedance, and termination.
- **Low Power Consumption:** Optimized for power-sensitive applications.
- **Industrial-Grade:** Operates reliably in harsh environments (-40°C to +85°C).
This information is based solely on the manufacturer's datasheet and technical documentation. For detailed application notes or design considerations, refer to EXAR's official resources.
