Philips ECG ECG1731, Ten Number Repertory Dialer (CMOS) IC ~ 16 Pin DIP (NTE1731)

This is a CMOS LSI repertory dialer with ten 16 digit number memory storage in a 16-Lead DIP type package. The pulse and mute signal outputs resulting from keyboard input are like those of a pulse dialer. The This IC incorporates a 64 x 10 bit RAM which is used to store the ten telephone numbers.

FEATURES:

• ECG1731, Ten Number Repertory Dialer (CMOS) IC
• Make Ratio: 30/40% Pin Selectable
• Pulse Output: True
• Mute Output: True
• Stores Ten 16 digit Telephone Numbers
• One Temporary Memory and Permanent Memory Storage of Telephone Numbers are Possible
• Uses a CR Oscillator as a Frequency Reference
• Line Operation Off Hook, Battery Operation On Hook
• Uses Either a Standard 2 of 7 Matrix Keyboard or a Single Contact Keyboard
• PBX Pause Storage
• Package/Case: 16 Pin DIP
• Replaces: NTE1731