UM91215A DTMF chip DIP-16

UM91215A DTMF chip DIP-16
Tone / Pulse Dialer

specifications:
- Power supply: 2V - 5V
- Output of the pulse dialing / DTMF
- Input as a 4x4 matrix keypad
- Can store 32-digit numbers in the internal memory
- Packaging: 16-pin DIP