CN8380 Datasheet Integrated Quad Line Interface Unit Unit For Both 1.544 Mbps (t1) And 2.048 Mbps (e1) Applications

Manufacturer: Conexant Systems

Overview: Advance Information This document contains information on a product under development. The parametric information contains target parameters that are subject to change. CN8380 Quad T1/E1 Line Interface The CN8380 is a fully integrated quad line interface unit for both 1.544 Mbps (T1) and 2.048 Mbps (E1) applications. It is designed to complement T1/E1 framers or operate as a stand-alone line interface to synchronous or plesiochronous mappers and multiplexers. The device can be controlled through a host mode serial port or by hardware mode operation, where device control and status are obtained through non-multiplexed dedicated pins. Many of these pins are also dedicated to individual channels for maximum flexibility and for use in redundant systems. Integrated in the CN8380 device is a clock rate adapter (CLAD), which provides various low-jitter programmable system clock outputs. The receive section of the CN8380 is designed to recover encoded signals from lines having up to 12 dB of attenuation. The transmit section consists of a programmable, precision pulse shaper.

Datasheet Details

Part number	CN8380
Manufacturer	Conexant Systems
File Size	921.77 KB
Description	integrated quad line interface unit unit for both 1.544 Mbps (T1) and 2.048 Mbps (E1) applications
Datasheet	CN8380_ConexantSystems.pdf

Key Features

Four T1/E1 short haul line interfaces in a single chip.
On-chip CLAD /system synchronizer.
Digital (crystal-less) jitter attenuators selectable for transmitter/receiver on each line interface.
Meets AT&T pub 62411 jitter specs.
Meets ITU G.703, ETS 300 011 (PSTNX) Connections.
AMI/B8ZS/HDB3 line codes.
Host serial port or hardware only control modes.
On-chip receive clock recovery.
Common transformers for 120/75 Ω.

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