LSSGR/TR57 CO/Loop Carrier SLIC With Low Power Standby

The HC5523 is a subscriber line Interface circuit which is interchangeable with Ericssons PBL3764A/4 for distributed central office applications. Enhancements include immunity to circuit latch-up during hot plug and absence of false signaling in the presence of longitudinal currents.
The HC5523 is fabricated in a High Voltage Dielectrically Isolated (DI) Bipolar Process that eliminates leakage currents and device latch-up problems normally associated with junction isolated ICs. The elimination of the leakage currents results in improved circuit performance for wide temperature extremes. The latch free benefit of the DI process guarantees operation under adverse transient conditions. This process feature makes the HC5523 ideally suited for use in harsh outdoor environments.
By Intersil Corporation
HC5523 's PackagesHC5523 's pdf datasheet

HC5523 Pinout, Pinouts
HC5523 pinout,Pin out
This is one package pinout of HC5523,If you need more pinouts please download HC5523's pdf datasheet.

HC5523 Application circuits
HC5523 circuits
This is one application circuit of HC5523,If you need more circuits,please download HC5523's pdf datasheet.

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HC5523 Application Notes HC5523 RoHS HC5523 Circuits HC5523 footprint