28-Pin DIP Audio IC, 4.5 Gain Receiver, 38.1 Gain Transmitter, -25 to 70°C
IC TELEPHONE MULTIFUNCTION CKT, UUC32, DIE-32, Telephone Circuit
AS Series 3.8 to 5V Multi-Standard CMOS Telephone IC for Basic Telephone SOIC-28
Multi-Standard CMOS Telephone IC for Basic Telephones
