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    | Partname: | LUCL8574DP |  | Description: | Resistive SLIC, ring relay, protector (SRP) for long loop and TR-57 applications |  | Manufacturer: | Agere Systems |  | Package: | PLCC |  | Pins: | 44 |  | Oper. temp.: | -40 to 85 |  | Datasheet: | PDF (489K). Click here to download *)
 |  | The L8574 is a resistive subscriber line interface circuit (SLIC) that is optimized for long loop applications, such as Bellcore TR-NWT-000057 requirements for digital loop carrier (DLC) applications. It interfaces the low-voltage circuits on an analog line card to the Tip/Ring subscriber loop. The L8574 does not supply dc current to the subscriber loop; external resistors are used for this purpose. |  |  Click here to download LUCL8574DP Datasheet*)
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