Wll & Isdn-ta Subscriber Line Interface Circuit

The STLC3055 is a SLIC device specifically de- signed for WLL (Wireless Local Loop) and ISDN- Terminal Adaptors.One of the distinctive charac- teristic of this device is the ability to operate with a single supply voltage (from +5.5V to +15.8V) and self generate the negative battery by means of an on chip DC/DC converter controller that drives an externalMOS Switch The battery level is properly adjusted depending on the operatingmode. A useful characteristic for these applications is the integrated ringing gener- ator. The control Interface is a parallel type with open drain output and 3.3V Logic levels. The metering pulses are generated on chip start- ing from two Logic signals (0, 3.3V) one define the metering pulse frequency and the other the me- tering pulse duration. An on chip circuit then pro- vides the proper shaping and filtering. Metering pulse amplitude and shaping (rising and decay time) CAN be programmed by external compo- nents. A dedicated cancellation circuit avoid pos- sible CODEC input saturation due to Metering pulse echo. By STMicroelectronics
STLC3055 's PackagesSTLC3055 's pdf datasheet

STLC3055 Pinout, Pinouts
STLC3055 pinout,Pin out
This is one package pinout of STLC3055,If you need more pinouts please download STLC3055's pdf datasheet.

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