Datasheet4U Logo Datasheet4U.com

HC5521 - SLIC Subscriber Line Interface Circuit

General Description

The HC5521 is a Monolithic Subscriber Line Interface Circuit (SLIC) for Analog Subscriber Line cards in Central Office and PABX switches.

Key Features

  • for these.

📥 Download Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
HC5500M03 Hybrid Coupler Yantel
HC5503 Low Cost 24V SLIC Renesas
HC5503T Balanced PBX/Key System SLIC Renesas
HC55120 Low Power UniSLIC14 Intersil
HC55121 Low Power UniSLIC14 Intersil

Other Datasheets by Intersil (now Renesas)

Part Number Description
HC5520 CO/PABX Polarity Reversal Subscriber Line Interface Circuit
HC5523 LSSGR/TR57 CO/Loop Carrier SLIC with Low Power Standby
HC5526 ITU CO/PABX SLIC with Low Power Standby
HC5503 Low Cost 24V SLIC
HC5503C Unbalanced PBX/Key System SLIC

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.

View original datasheet text
S E M I C O N D U C T O R HC5521 SLIC Subscriber Line Interface Circuit Description The HC5521 is a Monolithic Subscriber Line Interface Circuit (SLIC) for Analog Subscriber Line cards in Central Office and PABX switches. The HC5521 provides a comprehensive set of features for these applications including loop reversal, ground key detection, zero crossing ring relay operation, long loop drive and a mutually independent setting of the receive and transmit gains, and the two-wire impedance synthesis. An option is also provided for eliminating transhybrid balance on-chip. Advanced power management features combined with a small 44 lead MQFP package allow significant board space to be freed up for additional line circuits.