Datasheet Details
Part number:
DS21448, DS2
Manufacturer:
Dallas Semiconducotr
File Size:
1.16 MB
Description:
3.3v e1/t1/j1 quad line interface.
Note:
This datasheet PDF includes multiple part numbers: DS21448, DS2.
Please refer to the document for exact specifications by model.
DS21448, DS2, 3.3V E1/T1/J1 Quad Line Interface
The DS21448 is a quad-port E1 or T1 line interface unit (LIU) for short-haul and long-haul applications.
It incorporates four independent transmitters and four independent receivers in a single 144-pin PBGA or 128-pin LQFP package.
The transmit drivers generate the necessary G.703 E1 waveshapes in 7
DS21448 Features
* Four Complete E1, T1, or J1 LIUs Supports Long- and Short-Haul Trunks Internal Software-Selectable Receive-Side Termination for 75W/100W/120W 3.3V Power Supply 32-Bit or 128-
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