XRT83D10

www.DataSheet4U.com xr JULY 2004 XRT83D10 SINGLE CHANNEL DS1/CEPT LINE INTERFACE UNIT REV. 1.0.3 GENERAL DESCRIPTION The XRT83D10 is a fully integrated, single channel, Line Interface Unit (Transceiver) for 75 Ω or 120 Ω E1 (2.048 Mbps) and 100Ω DS1 (1.544 Mbps) applications. The LIU consists of a receiver with adaptive data slicer for accurate data and clock recovery and a transmitter which accepts dual-rail digital inputs for signal transmission to the line using a low- impedance differential line driver. The LIU also includes a crystal-less jitter attenuator for clock and data smoothing which, depending on system requirements, can be selected in either the transmit or receive path. The XRT83D10 uses the transformer coupling on both the Receiver and Transmitter sides, and supports both 120Ω balanced,75Ω unbalanced and 100Ω interfaces. FEATURES Complete E1 (CEPT) and DS1 Line Interface Unit Generates transmit output pulses that are compliant with the ITU-T G.703 Pulse Template for 2.048Mbps (E1) rates FIGURE 1. BLOCK DIAGRAM OF THE XRT83D10 On-Chip Pulse Shaping for both 75 Ω ,120 Ω and 100 Ω Line Drivers Clock Recovery and Selectable Crystal-less Jitter attenuator Compliant with ETS300166 Return Loss Compliant with the ITU-T G.823 Jitter Tolerance Requirements Remote, Local and Digital Loop backs Declares and Clears LOS per ITU-T G.775 -40°C to 85°C Temperature Range Low Power Dissipation +5V or +3.3V Supply Operation Pin Compatible with AGERE T...