HC55171 Data Sheet July 1998 File Number 4323.4 5 REN Ringing SLIC for ISDN Modem/TA and WLL The HC55171 is backward compatible to the HC5517 with the added capability of driving 5 REN loads.
The HC55171 is ideal for any modem or remote networking access application that requires plain old telephone service POTS, capability.
The linear ampliļ¬er design allows a choice of Sinusoidal, Square wave or Trapezoidal ringing.
The voltage feed architecture eliminates the need for a high current gain node
