NTE1693

NTE1693 Integrated Circuit Telephone Pulse Dialer (CMOS) Description: 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: D Make Ratio: 33/39% Pin–Selectable. D Pulse Output: “1” True D Mute Output: “0” True D 17–Digit Redial with either * or # Input D Uses a Ceramic Oscillator as a Frequency Reference D Direct Telephone Line Operation D Uses either a Standard 2–of–7 Matrix Keyboard or a Single Contact Keyboard D Mute Signal Generated on Pulse Signal Absolute Maximum Ratings: Supply Voltage (Note 1), VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to +6.2V Maximum Pin Voltage VIN1 (Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V VIN2 (Note 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3V Maximum Power Dissipation (TA = +25°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +60°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C Note 1. Referenced to GND Note 2. The maximum applicable voltage or any pin with respect...