Overview
HC4P5509A1-9 is listed in the Interface category. Available datasheets include documents from Intersil Corporation. DigiCamel provides a local PDF for online reference.
Summary
SLIC Subscriber Line Interface Circuit May 1997
Description
The HC-5509A1 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.