Line Interface and Line Access Circuit Forward Battery SLIC and Ringing Relay
Data Sheet July 2001
L9312 Line Interface and Line Access Circuit Forward Battery SLIC and Ringing Relay for TR-57 Appl...
Description
Data Sheet July 2001
L9312 Line Interface and Line Access Circuit Forward Battery SLIC and Ringing Relay for TR-57 Applications
Introduction
The Agere Systems Inc. L9312 is a combination fullfeature, ultralow-power SLIC, and solid-state ringing access relay. It is part of a pin-for-pin compatible family of devices designed to serve a wide variety of applications. The L9312 is optimized for TR-57 access, forward battery only, applications.
Features
SLIC
s 5 V and battery operation s Optional automatic battery switch s Four operational modes s Appropriate for 58 dB longitudinal balance applica-
tions s Minimal external components required at all inter-
faces s Ultralow power dissipation s Software/hardware adjustable dc parameters and
supervision thresholds
Solid-State Ring Relay
s Low impulse noise s Current-limited switches/thermal protection
Description
The L9312 electronic line interface and line access circuit (LILAC) provides all the functions that are necessary to interface a c...
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