HC5515 Data Sheet October 1998 File Number 4235.
4 ITU CO/PABX SLIC with Low Power Standby The HC5515 is a subscriber line interface circuit which is interchangeable with Ericsson’s PBL3860 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 HC5515 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 ben...

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