MV4325 Datasheet (Plessey) - PROGRAMMABLE KEYPAD PULSE DIALLER

MV4325, PROGRAMMABLE KEYPAD PULSE DIALLER

MV4325 MV4325 PROGRAMMABLE KEYPAD PULSE DIALLER The MV4325 Keypad Pulse Diallercontains all the logic necessary to interface a 2 of 7 keypad and convert this key information to control and mute pulses simulating a tele phone rotary dial.

The MV4325 has programmable access pause capability to provide automatic interruption of diall ing needed when accessing the toll network, WATS line or public network.

The device is fabricated using Plessey Semiconductors' ISO CMOS technology whi

MV4325 Features

* DG18

* Last Number Redial

* Multiple Access Pause Programming

* Any Valid Keypad Input or HOLD IN Causes Exit from Access Pause

* Oscillator Start Up Controlled from Keypad Input

* Oscillator Power Down whilst not Dialling

* 300 Hz Key Tone indicates