IL9151-3 - Pulse Dialer

Description

PIN No.

1 2 3 4 14 15 16 5 12 6 7 8 NAME R1~R4 Key inputs.

These inputs can be interfaced to either an XY matrix keyboard or a 2 of 7 type keyboard.

IK Semiconductor

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Datasheet Details

Part number	IL9151-3
Manufacturer	IK Semiconductor
File Size	249.91 KB
Description	Pulse Dialer
Datasheet	IL9151-3 Datasheet
Additional preview pages of the IL9151-3 datasheet.

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Full PDF Text Transcription

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TECHNICAL DATA IL9151-3 PULSE DIALER The IL9151-3 pulse dialer is a monolithic CMOS integrated circuit which converts pushbutton inputs to a series of pulses suitable for telephone dialing. It is intended to replace mechanical telephone dialers and can operate directly from telephone lines. CMOS technology is used to produced this device, resulting in very low power requirements and high noise immunity. The IL9151-3 can be easily interfaced with a variety of telephones, requiring only a minimal number of external components. • Direct telephone line operation • 4 x 3 matrix keyboard interface • Supply voltage range of 2.0 to 5.

Published: Dec 20, 2005 |