L9214A Datasheet (Agere Systems) - Low-Cost Ringing SLIC

L9214A, Low-Cost Ringing SLIC

Preliminary Data Sheet October 2001 L9214A/G Low-Cost Ringing SLIC Introduction The Agere Systems Inc.

L9214 is a subscriber line interface circuit that is optimized to provide a very low-cost solution for short- and medium-loop applications.

This device provides the complete set of line interface functionality, including power ringing needed to interface to a subscriber loop.

This device has the capability to operate with a VCC supply of 3.3 V or 5 V and is designed to minimize external compo

L9214A Features

* s Low-cost solution s Onboard ringing generation with software adjustable crest factor switching s Flexible VCC options:

* 3.3 V or 5 V VCC

* No

* 5 V required s Power control options:

* Power control resistor

* Automatic battery switch to minimize off-hook pow