HC5549 Datasheet (Intersil Corporation) - Low Power SLIC with Battery Switch

HC5549, Low Power SLIC with Battery Switch

MTU compliant standby mode with active loop detector.

Forward battery loop feed.

Reserved internal test mode.

Reverse battery loop feed.

Enabler internal ring trip detector.

Reserved internal test mode.

Device shutdown.

Pinouts HC5549 (PLCC) TOP VIEW BGND RING VBH VBL T

HC5549 Semiconductor Data Sheet January 1999 File Number 4539.1 Low Power SLIC with Battery Switch The HC5549 Subscriber line interface circuit is a 100V diellectrically isolated bipolar integrated circuit for use in short loop ISDN, PABX and Pairgain applications.

The HC5549 has been optimized for low power as required for battery backed remote terminals or for applications requiring emergency powering from the line such as European ISDN NT1+ designs.

A high and low voltage battery supply

HC5549 Features

* Dual Battery Operation

* Single Additional +5V Supply

* Low Standby Power Consumption (48V, 35mW)

* On Hook Transmission

* Tip and Ring Disconnect

* Soft or Hard Polarity Reversal

* Supports 12 kHz or 16 kHz Pulse Metering

* Ring Rela