XRT83L314 Datasheet | Exar

.. 14-CHANNEL T1/E1/J1 LONG-HAUL/SHORT-HAUL LINE INTERFACE UNIT REV. 1.0.0 MAY 2004 GENERAL DESCRIPTION The XRT83L314 is a fully integrated 14-channel longhaul and short-haul line interface unit (LIU) that operates from a single 3.3V power supply. Using internal termination, the LIU provides one bill of materials to operate in T1, E1, or J1 mode independently on a per channel basis with minimum external ponents. The LIU Features are programmed through a standard microprocessor interface. EXAR’s LIU has patented high impedance circuits that allow the transmitter outputs and receiver inputs to be high impedance when experiencing a power failure or when the...