MV4325 Datasheet | Plessey

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 which enables the device to function down to 2.0V making it ideal for long loop operation. The MV4325 will accept up to 20 digits and access pauses and will redial stored information at a later time by activation...