HC5503C slic equivalent, unbalanced pbx/key system slic.
* Monolithic Integrated Device
* Single +5V Supply
* Controlled Supply of Battery Feed Current for Short Loops (30mA)
* Allows Interfacing With All Ringin.
* PBX Switches (Analog, Digital or ISDN)
* Key Telephone Systems (KTS)
* ISDN PC Plug in Modems
* ISDN S.
PDIP 1 SOIC 1 SYMBOL TIP DESCRIPTION An analog input connected to the TIP (more positive) side of the subscriber loop through a 150Ω feed resistor. Functions with the Ring terminal to receive voice signals from the telephone and for loop monitoring .
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