Datasheet Summary
EXAR DATA SHEET FORMAT TEMPLATES
MARCH 2006
REV. 1.0.4
GENERAL DESCRIPTION
The XRT75R03D is a three-channel fully integrated Line Interface Unit (LIU) featuring EXAR’s R3 Technology (Reconfigurable, Relayless Redundancy) with Jitter Attenuator for E3/DS3/STS-1 applications. It incorporates 3 independent Receivers, Transmitters and Jitter Attenuators in a single 128 pin LQFP package.
Each channel of the XRT75R03D can be independently configured to operate in the data rate, E3 (34.368 MHz), DS3 (44.736 MHz) or STS-1 (51.84 MHz). Each transmitter can be turned off and tristated for redundancy support or for conserving power.
The XRT75R03D’s differential receiver provides high...