NE5900 Datasheet (Philipss) - Call progress decoder

NE5900, Call progress decoder

The NE5900 call progress decoder (CPD) is a low cost, low power CMOS integrated circuit designed to interface with a microprocessor-controlled smart telephone capable of making preprogrammed telephone calls.

The call progress decoder information to permit microprocessor decisions whether to initiate

NE5900 Features

* include low power consumption and easy application. Few and inexpensive external components are required. A typical application requires a 3.58MHz crystal or clock, 470kΩ resistor, and two bypass capacitors. The NE5900 is effective where traditional call progress tones, PBX tones, and precision call