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HC5521

Part Number	HC5521
Manufacturer	Intersil Corporation
Description	SLIC Subscriber Line Interface Circuit
Published	Mar 23, 2005
Detailed Description	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 Subscrib...
Datasheet	HC5521 PDF File

Overview

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 fo...

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