XRT75R12 Overview
The XRT75R12 is a twelve channel fully integrated Line Interface Unit (LIU) featuring EXAR’s R3 Technology (Reconfigurable, Relayless Redundancy) for E3/DS3/STS-1 applications. The LIU incorporates 12 independent Receivers, Transmitters and Jitter Attenuators in a single 420 Lead TBGA package. Each channel of the XRT75R12 can be independently configured to operate in E3 (34.368 MHz), DS3 (44.736 MHz) or STS-1 (51.84...
XRT75R12 Key Features
- Single 3.3 V ± 5% power supply
- 5 V Tolerant digital inputs
- Available in 420 pin TBGA Thermally enhanced
- On chip Clock and Data Recovery circuit for high
- Meets E3/DS3/STS-1 Jitter Tolerance Requirement
- Detects and Clears LOS as per G.775
- Receiver Monitor mode handles up to 20 dB flat
- 40°C to 85°C Industrial Temperature Range
