NTE1693 Integrated circuit telephone pulse dialer (CMOS)

The NTE1693 is a CMOS LSI pulse dialer in a 16–Lead DIP type package with redial which integrates a ceramic resonator as a frequency reference.

Features:

 •Make Ratio: 33/39% Pin–Selectable. 
 •Pulse Output: “1” True 
 •Mute Output: “0” True 
 •17–Digit Redial with either * or # Input 
 •Uses a Ceramic Oscillator as a Frequency Reference 
 •Direct Telephone Line Operation 
 •Uses either a Standard 2–of–7 Matrix Keyboard or a Single Contact Keyboard 
 •Mute Signal Generated on Pulse Signal