XRT75L04 Datasheet | Exar

.. JULY 2006 FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER REV. 1.0.4 GENERAL DESCRIPTION The XRT75L04 is a four-channel fully integrated Line Interface Unit (LIU) with Jitter Attenuator for E3/DS3/ STS-1 applications. It incorporates four independent Receivers, Transmitters and Jitter Attenuators in a single 176 pin LQFP package. Each channel of the XRT75L04 can be configured to operate in E3 (34.368 MHz), DS3 (44.736 MHz) or STS-1 (51.84 MHz) rates that are independent of each other. Each transmitter can be turned off and tristated for redundancy support and for conserving power. The XRT75L04’s differential receivers provide high noise interference...