| Part Number | NTE1690 |
| Manufacturer | NTE |
| Title | Integrated Circuit Telephone DTMF Dialer |
| Description | The NTE1690 is a low threshold voltage, field–implanted, metal gate CMOS integrated circuit in a 16–Lead DIP type package. This device interfaces... |
| Features |
D 3V to 10V Operation When Generating Tones D 2V Operation of Keyscan and MUTE Logic D Static Sensing of Key Closures or Logic Inputs D On –Chip 3.579545MHz Crystal –Controlled Oscillator D Output Amplitudes Proportional to Supply Voltage D High Group... |
| Datasheet |
 NTE1690 Datasheet
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