Slic Subscriber Line Interface Circuit

The HC5521 is a Monolithic Subscriber Line Interface Circuit (SLIC) for Analog Subscriber Line cards in Central Ofce and PABX switches. The HC5521 provides a comprehensive set of features for these applications including loop reversal, ground key detec- tion, 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 signicant board space to be freed up for additional line circuits. The HC5521 is fabricated in a Harris state of the art Bonded Wafer High Voltage process, providing freedom from tradi- tional JI latch-up phenomena without the use of additional power supply ltering components or substrate tie connec- tions. The very low parasitics and leakages associated with this process provide an exceptionally at performance over frequency and temperature. By Intersil Corporation
HC5521 's PackagesHC5521 's pdf datasheet

HC5521 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
HC5521 circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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