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NTE - Integrated Circuit Telephone Pulse Dialer (CMOS)

Numéro de référence NTE1693
Description Integrated Circuit Telephone Pulse Dialer (CMOS)
Fabricant NTE 
Logo NTE 





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NTE1693 fiche technique
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 to GND
Note 3. The maximum applicable voltage on any pin with respect to VDD
Recommended Operating Conditions:
Supply Voltage, VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5 to 6.0V

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