DS21Q48 - 5V E1/T1/J1 Line Interface

Dallas Semiconducotr

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Datasheet Details

Part number	DS21Q48
Manufacturer	Dallas Semiconducotr
File Size	544.74 KB
Description	5V E1/T1/J1 Line Interface
Datasheet	DS21Q48_DallasSemiconducotr.pdf

DS21Q48 Product details

Description

44 1 44 TQFP 7mm CABGA ORDERING INFORMATION Single-Channel Devices: DS2148TN 44-Pin TQFP DS2148T 44-Pin TQFP DS2148GN 7mm CABGA DS2148G 7mm CABGA Four-Channel Devices: DS21Q48N (Quad) BGA DS21Q48 (Quad) BGA (-40°C to +85°C) (0o C to +70o C) (-40°C to +85°C) (0o C to +70o C) (-40°C to +85°C) (0o C to +70oC) 1 of 75 REV: 082504 DS2148/Q48 DESCRIPTION The DS2148 is a complete selectable E1 or T1 Line Interfa

Features

Complete E1, T1, or J1 line interface unit (LIU) Supports both long- and short-haul trunks Internal software-selectable receive-side termination for 75Ω/100Ω/120W 5V power supply 32-bit or 128-bit crystal-less jitter attenuator requires only a 2.048MHz master clock for both E1 and T1 with option to use 1.544MHz for T1 Generates the appropriate line build outs, with and without return loss, for E1 and DSX-1 and CSU line build outs for T1 AMI, HDB3, and B8ZS, encoding.

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Published: Mar 30, 2005 |