Attributes
| Key ^ | Value |
|---|---|
| Brand | Texas Instruments |
| Package Type | PDIP |
| Pin Count | 28 |
| Ringing Frequency | 20 Hz, 25 Hz, 50 Hz |
| Supply Voltage | 4.5 ? 5.5V |
| Key ^ | Value |
|---|---|
| Brand | Texas Instruments |
| Package Type | PDIP |
| Pin Count | 28 |
| Ringing Frequency | 20 Hz, 25 Hz, 50 Hz |
| Supply Voltage | 4.5 ? 5.5V |