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HC1-5502B-9 - EIA/ITU PABX SLIC with 30mA Loop Feed

Datasheet Summary

Description

28 PIN PLCC 2 24 PIN DIP/SOIC 1 SYMBOL TIP DESCRIPTION An analog input connected to the TIP (more positive) side of the subscriber loop through a 150Ω feed resistor and a ring relay contact.

Features

  • Capable of 12V or 5V (VB+) Operation.
  • Monolithic Integrated Device.
  • DI High Voltage Process.
  • Compatible With Worldwide PBX Performance Requirements.
  • Controlled Supply of Battery Feed Current for Short Loops (30mA).
  • Internal Ring Relay Driver.
  • Low Power Consumption During Standby.
  • Switch Hook, Ground Key and Ring Trip Detection Functions.
  • Selective Denial of Power to Subscriber Loops Ordering Information PART NUMBE.

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Datasheet Details

Part number HC1-5502B-9
Manufacturer Intersil Corporation
File Size 84.17 KB
Description EIA/ITU PABX SLIC with 30mA Loop Feed
Datasheet download datasheet HC1-5502B-9 Datasheet
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Full PDF Text Transcription

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HC-5502B Data Sheet February 1999 File Number 2884.5 EIA/ITU PABX SLIC with 30mA Loop Feed The Intersil SLIC incorporates many of the BORSHT functions on a single IC chip. This includes DC battery feed, a ring relay driver, supervisory and hybrid functions. This device is designed to maintain transmission performance in the presence of externally induced longitudinal currents. Using the unique Intersil dielectric isolation process, the SLIC can operate directly with a wide range of station battery voltages. The SLIC also provides selective denial of power. If the PBX system becomes overloaded during an emergency, the SLIC will provide system protection by denying power to selected subscriber loops.
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