AS2533 ic equivalent, multi-standard cmos single chip telephone ic.
u Line/speech circuit, LD/MF repertory dialler and tone ringer on one 28 pin CMOS chip u Operating range from 13 to 100 mA (down to 5 mA with reduced performance) u Soft .
The AS253x is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone. The device incorporates LD/MF repertory dialling, melody generation, ring frequency discrimination and a high quality line.
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