MV4325 - PROGRAMMABLE KEYPAD PULSE DIALLER

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 Valid Key.
2.0V to 7.0V Supply Voltage Operating Range.
Stores up to 20 Digits and Access Pauses.
Digit Memory Retained down to 1.0V at 1JAA.
Selectable Mark/Space.

Plessey

Datasheet Details

Part number	MV4325
Manufacturer	Plessey
File Size	207.73 KB
Description	PROGRAMMABLE KEYPAD PULSE DIALLER
Datasheet	MV4325 Datasheet
Additional preview pages of the MV4325 datasheet.

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Full PDF Text Transcription

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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 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 of =IF key. Device current in standby is less than 1J.1Aat 1.0V.

Published: Jul 29, 2020 |