| Part Number | IL91210E |
| Manufacturer | IK Semiconductor |
| Title | Tone/Pulse Dialer |
| Description | Pin No. 1 2 3 4 5 Designation R1 R2 R3 R4 HK Hook switch input. This inverter input pin detects the state of the hook switch contact. “Off Hook” i... |
| Features |
perating voltage range: 2 V to 5.5 V • Digits dialed manually after redialing are cascadable and stored as additional digits for the next redialing • Uses inexpensive ceramic resonator (3.58 MHz) • Built-in power up reset circuit • Four extra functio... |
| Datasheet |
 IL91210E Datasheet
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