#	PART NUMBER	DESCRIPTION	PRICE ▲	STOCK	SHOP	CC	SC
1	ECG1690	ECG1690, Telephone Dual Tone Multifunction DTMF Dialer IC ~ 16 Pin DIP (NTE1690)	$7.95	☺︎	MarVac Electronics	🇺🇸

ECG1690, Telephone Dual Tone Multifunction DTMF Dialer IC ~ 16 Pin DIP (NTE1690)

part number ECG1690

shop's code 72756

$7.95 · in stock

MarVac Electronics · Costa Mesa, CA · its listings here

ECG1690, Telephone Dual Tone Multifunction (DTMF) Dialer IC ~ 16 Pin DIP (NTE1690) The ECG1690 is a monolithic integrated circuit in a 16−Lead DIP type package fabricated using CMOS process and is designed specifically for integrated tone dialer applications. Features: ECG1690 Telephone DTMF Dialer IC ~ 16 Pin DIP (NTE1690) High Accuracy Tones Digital Divider Logic, Resistive Ladder Network and CMOS Operational Amplifier on a Single Chip Uses Inexpensive 3.579545MHz Television Color Burst Crystal Invalid Key Entry Can Result in Either Single Tone or No Tone Tone Disable Allows Any Key Down…

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as of Oct 5 15:21 UTC