Overview
HC5520 is listed in the Interface category. Available datasheets include documents from Harris Corporation. DigiCamel provides a local PDF for online reference.
Summary
CO/PABX Polarity Reversal Subscriber Line Interface Circuit
Description
The HC5520 is a Monolithic Subscriber Line Interface Circuit (SLIC) for Analog Subscriber Line cards in Central Office and PABX switches.
Source title
HC5520 Datasheet(PDF) - Harris Corporation