Saturday, February 25, 2017


Chip which serves to produce pulse dialing. In the chip supplied input in the form of matrix keyboard input and RAM to store 32-digit number to redial.
Technical specifications:
- DC Power Supply: 2 - 5.5 Volt
- Power Dissipation: <500 mw="" p="">- Output: Pulse Dialing
- Output F1 Break time: 297 ms
- Output F2 Break time: 640 ms
- Support 4x4 matrix keyboard
- 32-digit capacity for redialing
- One touch redial Operation