| Part Number | BU8307CF |
| Manufacturer | ROHM (https://www.rohm.com/) |
| Title | Pulse / tone dialer |
| Description | (1) ROW1 to ROW4 and COL1 to COL4 These are the keyboard input pins. They can be connected to a 3 4 (2 of 7) standard keypad, or a 4 4 keypad. Ke... |
| Features |
1) The chip includes both a pulse and tone dialer, making it possible to dial in either pulse or tone mode. 2) A wide operating voltage range enables direct powering by line current. The voltage range guaranteed for both pulse and tone dialing is 2.5...
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| Datasheet |
 BU8307CF Datasheet
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