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HC4P5509A1R3060 - SLIC Subscriber Line Interface Circuit

General Description

The HC4P5509A1R3060 telephone Subscriber Line Interface Circuit integrates most of the BORSCHT functions on a monolithic IC.

Key Features

  • DI Monolithic High Voltage Process.
  • Compatible with Worldwide PBX and CO Performance Requirements.
  • Controlled Supply of Battery Feed Current with Programmable Current Limit.
  • Operates with 5V Positive Supply (VB+).
  • Internal Ring Relay Driver and a Utility Relay Driver.
  • High Impedance Mode for Subscriber Loop.
  • High Temperature Alarm Output.
  • Low Power Consumption During Standby Functions.
  • Switch Hook, Ground Key, and.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HC5509A1R3060 June 1997 SLIC Subscriber Line Interface Circuit Description The HC4P5509A1R3060 telephone Subscriber Line Interface Circuit integrates most of the BORSCHT functions on a monolithic IC. The device is manufactured in a Dielectric Isolation (DI) process and is designed for use as a high voltage interface between the traditional telephone subscriber pair (Tip and Ring) and the low voltage filtering and coding/decoding functions of the line card. Together with a secondary protection diode bridge and “feed” resistors, the device will withstand 1000V lightning induced surges, in plastic packages. The SLIC also maintains specified transmission performance in the presence of externally induced longitudinal currents.