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AM79R70 Ringing SLIC

AM79R70 Description

PRELIMINARY Am79R70 Ringing Subscriber Line Interface Circuit DISTINCTIVE CHARACTERISTICS s Ideal for ISDN-TA and set top applications s On-chip ring.
The AMD family of subscriber line interface circuit (SLIC) products provide the telephone interface functions required throughout the worldwide market.

AM79R70 Features

* including current limiting, on-hook transmission, polarity reversal, tipopen, and loop-current detection. These features allow reduction of linecard cost by minimizing component count, conserving board space, and supporting automated manufacturing. The AMD SLIC devices provide the two- to four-wire

AM79R70 Applications

* s On-chip ringing with on-chip ring-trip detector s Low standby state power s Battery operation:
* VBAT1:
* 40 V to
* 67 V
* VBAT2:
* 19 V to VBAT1 s On-chip battery switching and feed selection s On-hook transmission s Polarity reversal option s Programmable con

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Ringing SLIC Advanced Micro Devices
Advanced Micro Devices AM79R70-like datasheet