AS2578B Overview
The AS2578 /B are a versatile repertory LD/MF diallers with a melody generator, a ring frequency discriminator and a 2-wire interface to EEPROM. Together with the AS2520/1, the AS2578 /B form a coherent basis for a fully electronic telephone with a wide range of options. The AS2578 /B are especially designed to adapt to different PTT specifications.
AS2578B Key Features
- 2 5 8 0 3 6 9
- 22 pF) must be connected from each of the oscillator pins to VSS. Negative Power Supply DTMF Tone Output The dual tones