L9214A Overview
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 plete set of line interface functionality, including power ringing needed to interface to a subscriber loop.
L9214A Key Features
- 3.3 V or 5 V VCC
- No -5 V required
- Power control resistor
- Automatic battery switch to minimize off-hook power
- Scan mode for minimal power dissipation
- Forward and reverse battery active
- On-hook transmission states
- Ring mode
- Disconnect mode